Showing posts with label Article. Show all posts
Showing posts with label Article. Show all posts
A standard water heater will last between eight and twelve years. Most tanks today are steel lined with glass or porcelain and over time can oxidize and deteriorate. Most tanks will eventually leak – in some cases it will be a slow leak and in some cases it will be a more dramatic leak. For this reason it is a good idea to know where your dedicated water shutoff valve is located.
Although it is not common, there are homeowners that will see fifteen and in some cases twenty years of useful life from their water heater. Alghough, it is important to keep in mind, that although a water heater may still be working, most water heaters decrease in efficiency over time as sediment builds up inside the tank.
Tankless water heaters can last two to three times longer than a traditonal tank as long as the home owner cares for the tankless unit properly.
5 Ways to Help Prolong Your Water Heater's Useful Life
There are a few things that can extend your water heater’s life:
2nd anode rod: Installing a 2nd anode rod will greatly increase the life of your water heater. The anode rod is a sacrificial rod made of magnesium or aluminum that undergoes galvanic corrosion over time sacrificing itself and thereby preventing corrosion of the tank.
Expansion tank: If you are on a closed system, installing an expansion tank can potentially double the life of your water heater. When water is heated from 50º to 120º, it expands by approximately 2% (so a 50 gallon tank will produce 1 gallon of additional volume). If your system is closed (which means there is a valve which prevents your water from back flowing into the water main), this water has no where to go and because water is not a particularly compressible material, it will cause rapid increases and decreases in water pressure. This expanding and contracting causes stress on both your water heater and your plumbing system which can cause damage and premature failure.
Cleaning or flushing out your tank: For older tanks, flushing the tank out annually can help prevent sediment buildup and maintain higher efficiency of your tank for longer. Many newer model water heaters are self cleaning.
Installing a Pressure Regulating Valve or PRV: If you have very high water pressure above 90 PSI, your water pressure can damage your appliances and can also cause your water heater to fail prematurely. By installing a pressure regulating valve, system pressure is reduced; this also reduces wear and tear on all of your appliances. Keep in mind, if you have a PRV it’s also a good idea to install an expansion tank.
Water softeners: Some areas of the United States such as southern California and theSouthwestern United States have water with very high mineral content (often referred to as hard water). Hard water causes scaling which is a precipitation of minerals which deposits onto surfaces of an appliance. This can drastically reduce the life of a water heater. In many cases, installing a water softener can help reduce wear and tear on the plumbing system due to hard water.
Although it is not common, there are homeowners that will see fifteen and in some cases twenty years of useful life from their water heater. Alghough, it is important to keep in mind, that although a water heater may still be working, most water heaters decrease in efficiency over time as sediment builds up inside the tank.
Tankless water heaters can last two to three times longer than a traditonal tank as long as the home owner cares for the tankless unit properly.
5 Ways to Help Prolong Your Water Heater's Useful Life
There are a few things that can extend your water heater’s life:
2nd anode rod: Installing a 2nd anode rod will greatly increase the life of your water heater. The anode rod is a sacrificial rod made of magnesium or aluminum that undergoes galvanic corrosion over time sacrificing itself and thereby preventing corrosion of the tank.
Expansion tank: If you are on a closed system, installing an expansion tank can potentially double the life of your water heater. When water is heated from 50º to 120º, it expands by approximately 2% (so a 50 gallon tank will produce 1 gallon of additional volume). If your system is closed (which means there is a valve which prevents your water from back flowing into the water main), this water has no where to go and because water is not a particularly compressible material, it will cause rapid increases and decreases in water pressure. This expanding and contracting causes stress on both your water heater and your plumbing system which can cause damage and premature failure.
Cleaning or flushing out your tank: For older tanks, flushing the tank out annually can help prevent sediment buildup and maintain higher efficiency of your tank for longer. Many newer model water heaters are self cleaning.
Installing a Pressure Regulating Valve or PRV: If you have very high water pressure above 90 PSI, your water pressure can damage your appliances and can also cause your water heater to fail prematurely. By installing a pressure regulating valve, system pressure is reduced; this also reduces wear and tear on all of your appliances. Keep in mind, if you have a PRV it’s also a good idea to install an expansion tank.
Water softeners: Some areas of the United States such as southern California and theSouthwestern United States have water with very high mineral content (often referred to as hard water). Hard water causes scaling which is a precipitation of minerals which deposits onto surfaces of an appliance. This can drastically reduce the life of a water heater. In many cases, installing a water softener can help reduce wear and tear on the plumbing system due to hard water.
Extend Water Heater's Life
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| LPG Tanks |
LPG (propane liquid) and Natural gas have same functionality, but they different in properties.This is brief explanation about their differences.
LPG
- Primarily Propane
- Liquify easy, so it can delivered everywhere inside tank as liquid
- Better energy (2.5 x Natural gas)
- Heavier than air
Natural Gas
- Primarily Methane
- Not easy to liquify, so it transport to houses via pipe from central provider.
- Less energy compared to LPG
- Lighter than air, so it less explosive risk.
If we talk about price, it can be vary on every country depending on availability. If you want to buy water heaters, you should know this because water heaters equipment need a spesific type of gas to operate.
LPG (Propan liquid) vs Natural Gas Comparison
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Many Water Heater Makers talk about efficiency, even goverment support for this through low tax on reducing energy consume. But sometime, the cost to have energy efficient equipment is still high. This article to cover about those things.Cost of Energy Efficient Water Heater Types Comparison
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When you think that you need to replace your water heater, there are not only the water heater it self to be consider. There are a lot more to know before we buy water heater and replace our old one. The best resource to know about these all things is via forum or social network where people usualy sharing their experiences. Here are some of people talk about their experiences :
If you want to replace a conventional heater with a tankless water heater it is much easier to do with electric than with gas. Continuous water heaters that are gas need special size vents and gas-lines which drives up your cost considerably. When I queried my plumber about this very thing he said that for my house to switch it would cost over $2,500.00 without even buying the water heater!
However, many sites recommend the gas over electric for whole house heating. This type of heater also cannot take on too many things at once. If you are doing a load of laundry then you might be able to take a shower at the same time but not run the dishwasher as well. If you get one of these units, look for a gas-fired model eligible for 2006-2007 federal tax credits, at least an Energy Factor (EF) of 0.80. (Marye Audet)
Plusses & Minuses -
Plus: we never run out of hot water. A bunch of people can take showers in a row, then run the dishwasher and then the washing machine with no worries.
Minus: in the winter, if the heat is on and more than one person showers at the same time, both people end up with tepid showers. It's not an issue in the summer. --Lafalum84
However, there is another kind that is very energy efficient, but more expensive to install. It is a stand alone kind that is "on demand", has a reserve tank and is typically run by natural gas or propane. DH says that they are not oil run.
My husband says that since you have gas, it will be more energy efficient in the long term to get the new tankless type. It will be more expensive to install, but it is an "on demand" system. Some of them do have a smaller reserve tank.--thumper1
People Experiences about Replacing Water Heaters
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Experiences
The Bosch AquaStar 1600P is a 117,000 BTU Gas Tankless Water Heater. The control knob on the right is the Temperature Adjustment knob and is for adjusting the flow of water through the heater which has the ability to speed the flow of water up making it cooler or slowing it down and making it hotter. The slide control in the middle is for adjusting the temperature of of the water by adjusting the height of the flame. When the slide is positioned on the small flame symbol the burners will be low and when the slide is on the high flame symbol the burners will get higher and the temperature hotter.
Below is how turning the Temperature Adjustment knob effects the heater:
| Knob Position | Clockwise | Counter-clockwise | ||
| Degree Rise | 90° F | 45° F | ||
| Activation Rate | 0.5 GPM | 1.1 GPM | ||
| Max Flow Rate | 2.0 GPM | 3 .7 GPM |
As the temperature adjustment knob is turned counter-clockwise, the output temperature will lower and the activation rate of the heater will be raised. Turning the knob clockwise will raise the temperature and lower the activation rate.
When sliding the slide adjustment to the left small flame will give lower flame and cooler temperatures and sliding the slide to the right will give hotter tenmperatures and a higher flame.
The Bosch 1600P has a gas control slide that modulates burner input in response to flow. Its purpose is to ensure that the hot water temperature will remain steady, although the water flow demand might vary.
Bosch 1600P Flow and Temperature Adjustment
The new Bosch 1000P that comes in either natural gas or liquid propane has a control knob for adjusting the flow and a slide adjustment for adjusting the heat on the front of the heater.
The Bosch AquaStar 1000P is a 75,000 BTU Gas Tankless Water Heater. The control knob on the right is the Temperature Adjustment knob and is for adjusting the flow of water through the heater which has the ability to speed the flow of water up making it cooler or slowing it down and making it hotter. The slide control in the middle is for adjusting the temperature of of the water by adjusting the height of the flame. When the slide is positioned on the small flame symbol the burners will be low and when the slide is on the high flame symbol the burners will get higher and the temperature hotter.
Below is how turning the Temperature Adjustment knob effects the heater:
As the temperature adjustment knob is turned counter-clockwise, the output temperature will lower and the activation rate of the heater will be raised. Turning the knob clockwise will raise the temperature and lower the activation rate.
When sliding the slide adjustment to the left small flame will give lower flame and cooler temperatures and sliding the slide to the right will give hotter tenmperatures and a higher flame.
The Bosch 1000P has a gas control slide that modulates burner input in response to flow. Its purpose is to ensure that the hot water temperature will remain steady, although the water flow demand might vary.
The Bosch AquaStar 1000P is a 75,000 BTU Gas Tankless Water Heater. The control knob on the right is the Temperature Adjustment knob and is for adjusting the flow of water through the heater which has the ability to speed the flow of water up making it cooler or slowing it down and making it hotter. The slide control in the middle is for adjusting the temperature of of the water by adjusting the height of the flame. When the slide is positioned on the small flame symbol the burners will be low and when the slide is on the high flame symbol the burners will get higher and the temperature hotter.
Below is how turning the Temperature Adjustment knob effects the heater:
| Knob Position | Clockwise | Counter-clockwise | ||
| Degree Rise | 90° F | 45° F | ||
| Activation Rate | 0.5 GPM | 1.1 GPM | ||
| Max Flow Rate | 1.3 GPM | 2.6 GPM |
As the temperature adjustment knob is turned counter-clockwise, the output temperature will lower and the activation rate of the heater will be raised. Turning the knob clockwise will raise the temperature and lower the activation rate.
When sliding the slide adjustment to the left small flame will give lower flame and cooler temperatures and sliding the slide to the right will give hotter tenmperatures and a higher flame.
The Bosch 1000P has a gas control slide that modulates burner input in response to flow. Its purpose is to ensure that the hot water temperature will remain steady, although the water flow demand might vary.
Bosch 1000P Flow and Temperature Adjustment
Tankless Water Heaters, also called Instantaneous or Demand Water Heaters, provide hot water only as it is needed. Traditional storage (tank) water heaters produce standby energy losses that cost you money. We do not leave our homes heated while vacationing. We only heat our homes when there is a demand for heat. In the same way, a Tankless Water Heater is used only when there is a demand for hot water.
How do Tankless Water Heaters work?
Tankless Water Heaters heat water directly without the use of a storage tank. Therefore, they avoid the standby heat losses associated with storage water heaters. When a hot water tap is turned on, cold water travels through a pipe into the unit. In an electric Tankless Water Heater an electric element heats the water. In a gas-fired Tankless Water Heater a gas burner heats the water. As a result, Tankless Water Heaters deliver a constant supply of hot water. You don't need to wait for a storage tank to fill up with enough hot water. Typically, Tankless Water Heaters provide hot water at a rate of 2 – 5 gallons (7.6 – 15.2 liters) per minute. Typically, gas-fired Tankless Water Heaters will produce higher flow rates than electric Tankless Water Heaters. Some smaller Tankless Water Heaters, however, cannot supply enough hot water for simultaneous, multiple uses in large households. For example, taking a shower and running the dishwasher at the same time can stretch a Tankless Water Heater to its limit. To overcome this problem, you can install a “whole house” type Tankless Water Heater or install two or more Tankless Water Heaters, connected in parallel for simultaneous demands of hot water. You can also install separate Tankless Water Heaters for appliances—such as a clothes washer or dishwater—that use a lot of hot water in your home.
Other applications for Tankless Water Heaters include the following:
For homes that use 41 gallons or less of hot water daily, Tankless Water Heaters can be 24% – 34% more energy efficient than conventional storage tank water heaters. They can be 8% – 14% more energy efficient for homes that use a lot of hot water, around 86 gallons per day. You can achieve an even greater energy savings of 27% – 50% if you install a Tankless Water Heater at each hot water outlet.
Before buying a Tankless Water Heater, consider the following:
The first thing that you'll need to decide when selecting a Tankless Water Heater is the fuel type. You will need to select between an Electric Tankless Water Heater (like Eemax Tankless Water Heaters or Stiebel Eltron Tankless Water Heaters) or a Gas-Fired Tankless Water Heater (likeRheem Tankless Water Heaters).
Amperage
Circuit Breaker
2. Location, Size, and Demand
When deciding which Tankless Water Heater to purchase, you will also need to consider where you will need hot water. Are you looking for a unit that will heat the water at one bathroom sink (single point application), an entire bathroom (multipoint application), or an entire house, apartment, or condo (whole house application)? It is important to recognize the number of fixtures that will require hot water. Each fixture will have its own demands. The chart below illustrates the typical flow rates (demand) for some standard fixtures:
The flow rate is especially important, since Tankless Water Heaters will generate a temperature rise based on the flow rate demanded.
For example, a Stiebel Eltron Tempra 12, running on 240 Volt power, will raise the water temperature by 54°F at 1.5 gpm, 36°F at 2.25 gpm, and 27°F at 3.0 gpm, above the ambient incoming water temperature, up to 125°F.
A larger unit, like the Stiebel Eltron Tempra 36, running on 240 Volt power, will raise the water temperature by 92°F at 1.5 gpm, 92°F at 2.25 gpm, and 82°F at 3.0 gpm, above the ambient incoming water temperature, up to 125°F.
This means that if you are using a 1.5 gpm shower and a 1.5 gpm kitchen sink simultaneously, a total demand of 3.0 gpm, the Stiebel Eltron Tempra 12 will raise the temperature 27°F, whereas the Stiebel Eltron Tempra 36 will raise the temperature 82°F.
Next, you should look at your ambient incoming water temperature. If you live in a cold climate, like New York, your incoming water temperature will likely be much lower than if you live in a warm climate, like Florida. Your best bet is to find out how much temperature rise you will need in order for your hot water to reach the desired heat. If the ambient incoming water temperature for your shower is 65°F, you are using a 2.0 gpm shower, and you want to raise that temperature to 115°F, you will want to look for a Tankless Water Heater that will provide at least a 50°F temperature rise at 2.0 gpm (115°F - 65°F = 50°F). However, if you anticipate additional simultaneous demand, such as the hot water from a sink being used while someone is showering, you will need to add the sink's gpm to the shower's gpm in order to determine your overall gpm demand and then find the temperature rise necessary to meet your overall needs.
3. Application
You may have a specific application in mind for your Tankless Water Heater. Here are a few examples of the different models and their functionality for a specific application:
Electric Point of Use Tankless Water Heaters
A single point application is one where only one fixture will require an Electric Tankless Water Heater.
Flow Controlled
The "Flow Controlled" range of water heaters from Eemax are ideally suited to serve two points, like two sinks, in close proximity.
Thermostatic
The Thermostatic Tankless Water Heater serves as a booster for temperature loss from long pipe runs, dishwashers and sanitation. Thermostatic units are good for applications where precise temperature control is essential; such as schools, hospitals and laboratories.
Eemax Series Two
Eemax Series Two units are ideally suited for residential showers, entire bathrooms, smaller houses, condos, summer cabins and apartments. They will also accommodate industrial boosters, higher flow rate applications such as wash down stations and higher flow rate accurate temperature control applications such as photo labs.
Whole House Indoor Use
Larger Whole House units are designed to serve an entire house, apartment, condo, or cabin, where multiple points of use will exist.
Whole House Outdoor Use
Larger Whole House units are designed to serve an entire house, apartment, condo, or cabin, where multiple points of use will exist.
Proper installation and maintenance of your Tankless Water Heater can optimize its energy efficiency. Proper installation depends on many factors. These factors include climate and local building code requirements. You should have a qualified, licensed plumbing and heating contractor install your Tankless Water Heater.
Do the following when selecting a contractor:
Many Tankless Water Heaters have a life expectancy of more than 20 years. They also have easily replaceable parts that extend their life by many more years. In contrast, storage water heaters last 10 – 15 years.
You should consult the manufacturer's website or literature, such as the manual, for detailed warranty information.
Periodic water heater maintenance can significantly extend your water heater's life and minimize loss of efficiency. Read your owner's manual for specific maintenance recommendations.
source:tanklesswaterheaterguide.com
How do Tankless Water Heaters work?
Tankless Water Heaters heat water directly without the use of a storage tank. Therefore, they avoid the standby heat losses associated with storage water heaters. When a hot water tap is turned on, cold water travels through a pipe into the unit. In an electric Tankless Water Heater an electric element heats the water. In a gas-fired Tankless Water Heater a gas burner heats the water. As a result, Tankless Water Heaters deliver a constant supply of hot water. You don't need to wait for a storage tank to fill up with enough hot water. Typically, Tankless Water Heaters provide hot water at a rate of 2 – 5 gallons (7.6 – 15.2 liters) per minute. Typically, gas-fired Tankless Water Heaters will produce higher flow rates than electric Tankless Water Heaters. Some smaller Tankless Water Heaters, however, cannot supply enough hot water for simultaneous, multiple uses in large households. For example, taking a shower and running the dishwasher at the same time can stretch a Tankless Water Heater to its limit. To overcome this problem, you can install a “whole house” type Tankless Water Heater or install two or more Tankless Water Heaters, connected in parallel for simultaneous demands of hot water. You can also install separate Tankless Water Heaters for appliances—such as a clothes washer or dishwater—that use a lot of hot water in your home.Other applications for Tankless Water Heaters include the following:
- Remote BBQ or outdoor sink
- Poolhouse or pool shower
- Remote bathrooms or hot tubs
- To serve as a booster, eliminating long pipe runs, for solar water heating systems, dishwashers and sanitation.
For homes that use 41 gallons or less of hot water daily, Tankless Water Heaters can be 24% – 34% more energy efficient than conventional storage tank water heaters. They can be 8% – 14% more energy efficient for homes that use a lot of hot water, around 86 gallons per day. You can achieve an even greater energy savings of 27% – 50% if you install a Tankless Water Heater at each hot water outlet.
Before buying a Tankless Water Heater, consider the following:
- Fuel Type
- Location, Size and Demand
- Application
The first thing that you'll need to decide when selecting a Tankless Water Heater is the fuel type. You will need to select between an Electric Tankless Water Heater (like Eemax Tankless Water Heaters or Stiebel Eltron Tankless Water Heaters) or a Gas-Fired Tankless Water Heater (likeRheem Tankless Water Heaters).
- Requirements for Electric Tankless Water Heaters
- Requirements for Gas-Fired Tankless Water Heaters
If you plan to purchase an Electric Tankless Water Heater, consider the Electrical Requirements:
- Voltage
- Amperage
- Circuit Breaker
Many retailers sell units that will accommodate 110V, 120V, 208V, 220V, 240V, and 277V.
Amperage
Different Electric Tankless Water Heaters will have various requirements in amp draw. You will want to ensure that you can support the electrical demands of your Electric Tankless Water Heater.
Circuit Breaker
You must ensure that you have a circuit or circuits that will support your Electric Tankless Water Heater. It may be necessary to put your Electric Tankless Water Heater on its own circuit or circuits.
You should consult with a qualified, licensed electrician for more information.
If you plan to purchase a Gas-Fired Tankless Water Heater, consider the Gas-Type and Venting Requirements:
You will first need to identify whether your gas type is Natural Gas or Propane. It is imperitive that you examine your current gas line to ensure that it will meet the requirments of your new Gas-Fired Tankless Water Heater. The requirements of the Tankless Water Heater may exceed that of your existing tank-style water heater.
Next, you will need to consider venting requirements for your specific installation scenario. There are a few important things to keep in mind when purchasing the gas venting accessories for your Gas-Fired Tankless Water Heater.
Be sure that you purchase Category III stainless steel (UL1738 certified) venting for your Gas-Fired Tankless Water Heater. "Type B" venting accessories are not acceptable. Also, be sure to check local building code to ensure that your specific needs will be completely met.
Additionally, many Tankless Water Heater manufacturers offer gas venting "kits". It is recommended that customers evaluate the needs of their specific installation to ensure that they will be getting all of the necessary gas venting accessories. Depending on where you will be installing the Tankless Water Heater, a pre-made kit will probably not meet your needs. Ensure that you measure out the vent route and consider where the discharge will go through the wall or ceiling, consider the necessary clearances, and consider ample access to air for combustion, then buy the appropriate gas venting pieces. *Note: Gas-Fired Tankless Water Heaters may still require a minimal electrical connection. Be sure to review installation requirements for the units you are considering for purchase.
2. Location, Size, and Demand
When deciding which Tankless Water Heater to purchase, you will also need to consider where you will need hot water. Are you looking for a unit that will heat the water at one bathroom sink (single point application), an entire bathroom (multipoint application), or an entire house, apartment, or condo (whole house application)? It is important to recognize the number of fixtures that will require hot water. Each fixture will have its own demands. The chart below illustrates the typical flow rates (demand) for some standard fixtures:
| Typical Flow Rates in Gallons per Minute (gpm) | |||||||
|---|---|---|---|---|---|---|---|
| Fixture Type | Lavatory | Bathtub | Shower | Kitchen Sink | Pastry Sink | Laundry Sink | Dish-washer |
| Flow Rates | 0.5 | 2.0 – 4.0 | 1.5 – 3.0 | 1.0 – 1.5 | 1.5 – 2.5 | 2.5 – 3.0 | 1.0 – 3.0 |
The flow rate is especially important, since Tankless Water Heaters will generate a temperature rise based on the flow rate demanded.
For example, a Stiebel Eltron Tempra 12, running on 240 Volt power, will raise the water temperature by 54°F at 1.5 gpm, 36°F at 2.25 gpm, and 27°F at 3.0 gpm, above the ambient incoming water temperature, up to 125°F.
A larger unit, like the Stiebel Eltron Tempra 36, running on 240 Volt power, will raise the water temperature by 92°F at 1.5 gpm, 92°F at 2.25 gpm, and 82°F at 3.0 gpm, above the ambient incoming water temperature, up to 125°F.
| Temperature Rise Based on Flow Rate, Up to 125°F | |||
|---|---|---|---|
| Flow Rate | 1.5 gpm | 2.25 gpm | 3.0 gpm |
| Tempra 12 | 54°F | 36°F | 27°F |
| Tempra 36 | 92°F | 92°F | 82°F |
This means that if you are using a 1.5 gpm shower and a 1.5 gpm kitchen sink simultaneously, a total demand of 3.0 gpm, the Stiebel Eltron Tempra 12 will raise the temperature 27°F, whereas the Stiebel Eltron Tempra 36 will raise the temperature 82°F.
Next, you should look at your ambient incoming water temperature. If you live in a cold climate, like New York, your incoming water temperature will likely be much lower than if you live in a warm climate, like Florida. Your best bet is to find out how much temperature rise you will need in order for your hot water to reach the desired heat. If the ambient incoming water temperature for your shower is 65°F, you are using a 2.0 gpm shower, and you want to raise that temperature to 115°F, you will want to look for a Tankless Water Heater that will provide at least a 50°F temperature rise at 2.0 gpm (115°F - 65°F = 50°F). However, if you anticipate additional simultaneous demand, such as the hot water from a sink being used while someone is showering, you will need to add the sink's gpm to the shower's gpm in order to determine your overall gpm demand and then find the temperature rise necessary to meet your overall needs. 3. Application
You may have a specific application in mind for your Tankless Water Heater. Here are a few examples of the different models and their functionality for a specific application:
Electric Point of Use Tankless Water Heaters
A single point application is one where only one fixture will require an Electric Tankless Water Heater.
Flow Controlled
The "Flow Controlled" range of water heaters from Eemax are ideally suited to serve two points, like two sinks, in close proximity.
Thermostatic
The Thermostatic Tankless Water Heater serves as a booster for temperature loss from long pipe runs, dishwashers and sanitation. Thermostatic units are good for applications where precise temperature control is essential; such as schools, hospitals and laboratories.
Eemax Series Two
Eemax Series Two units are ideally suited for residential showers, entire bathrooms, smaller houses, condos, summer cabins and apartments. They will also accommodate industrial boosters, higher flow rate applications such as wash down stations and higher flow rate accurate temperature control applications such as photo labs.
Whole House Indoor Use
Larger Whole House units are designed to serve an entire house, apartment, condo, or cabin, where multiple points of use will exist.
Whole House Outdoor Use
Larger Whole House units are designed to serve an entire house, apartment, condo, or cabin, where multiple points of use will exist.
Proper installation and maintenance of your Tankless Water Heater can optimize its energy efficiency. Proper installation depends on many factors. These factors include climate and local building code requirements. You should have a qualified, licensed plumbing and heating contractor install your Tankless Water Heater.
Do the following when selecting a contractor:
- Request cost estimates in writing
- Ask for references
- Check the company with your local Better Business Bureau
- Confirm the company will obtain a local permit, if necessary, and understands local building codes
Many Tankless Water Heaters have a life expectancy of more than 20 years. They also have easily replaceable parts that extend their life by many more years. In contrast, storage water heaters last 10 – 15 years.
You should consult the manufacturer's website or literature, such as the manual, for detailed warranty information.
Periodic water heater maintenance can significantly extend your water heater's life and minimize loss of efficiency. Read your owner's manual for specific maintenance recommendations.
source:tanklesswaterheaterguide.com
Tankless Water Heater Detail Information
Power to produce heat on water heater are vary, but the most common use are : gas, electric, and solar cell. Each have their own benefit, so there are no best for all kind of purpose.
Gas Water Heater
Gas water heater is the most used. It efficient and low cost. Gas water heater is best for medium to large home which need more warm water to serve imediately. It also the most choosen type on sub tropic area such as US, UK, etc.
Electric Water Heater
It's more compact but need higher energy cost to operate, so it only suit for small usage. If it only used for shower or other temporary task, it will be great choice because it operate instantly quick and turn off quick also.
Solar Cell Water Heater
This is the most economical way to produce warm water, but it only suit for tropical country where sun mostly shine all day. So this kind of water heater is not reliable for most countries which need water heater badly :).. you know what i mean.
Gas Water Heater
Gas water heater is the most used. It efficient and low cost. Gas water heater is best for medium to large home which need more warm water to serve imediately. It also the most choosen type on sub tropic area such as US, UK, etc.
Electric Water Heater
It's more compact but need higher energy cost to operate, so it only suit for small usage. If it only used for shower or other temporary task, it will be great choice because it operate instantly quick and turn off quick also.
Solar Cell Water Heater
This is the most economical way to produce warm water, but it only suit for tropical country where sun mostly shine all day. So this kind of water heater is not reliable for most countries which need water heater badly :).. you know what i mean.
Water Heater : Gas vs Electric vs Solar Cell
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Electric,
Solar Cell
If you know the concept, it's easier for you to fix some problem. You know also, which brands are the best suit based on you need, and many others benefit will arise if you know this.
How Water Heater with Tank Storage Work
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- Set the temperature control to about 150 degrees F. or lower if you have no dishwasher or if you have small children or elderly people in the home who might scald themselves.
- To minimize the energy it takes to heat the water, insulate your water pipes if they run a long way from your heater to your faucets. Also consider installing a point-of-use water heater.
- Periodically check the temperature-pressure relief valve, which keeps pressure in the boiler from building up too much. Lift or lower its lever on this valve. Water should drain from the overflow pipe.
General Water Heater Tips to Gain Best Advantages
Rinnai vs Bosch
Rinnai vs Rheem
Rinnai tankless water heaters are highly recommended by its users to someone who plans to have or upgrade his water heater. Consumers says that they never run out of water and it is such a blessing to have this especially during the winter months where they can have longer time for showers, and there’s a lot to wash around the house. Some users also claim that they were able to save on electric bill upon using this product because Rinnai water heaters are energy-efficient. Rinnai users are satisfied with the products that they believe that Rinnai is the number 1 product ever.
Thus, the competition between Rinnai VS Rheem continued. Both offers heating and cooling equipment, water heating, tankless water heating, pool and spa heating, solar water heating, home generators, indoor air quality and other commercial products. While Rheem users claims otherwise that the tankless water heaters from Rheem are innovative, energy efficient water heating which is the best product for today’s modern homes. Loyal Rheem users believe that these products are better than Rinnai.
If you are a consumer who is confused on which of the two brands to take might as well consider the area you are living in and your expectations about how well the products work to be satisfied in using either of the two brands. It depends if your water quality is great or you need to clean the mineral deposits from it.
And also another consideration is the size of the tank; you need a bigger water tank if there will be multiple things running or small if you have little consumption. These brands requires a large gas supply so you may need to upgrade your service and the fuel pipe which is expensive and it will be more hassle if you need to vent it outside.
Among the two brands Rinnai had been a strong advocate of its energy efficient product compared with the Rheem brand. Rinnai had been awarded by Super Nova Star Award to the company’s continued efforts in keeping alliance to save energy. They are also in continued support for go green programs especially on Earth days.
Rinnai and Bosch manufacture water heaters that are Energy Star qualified, meaning they are energy efficient which in turn allows you to save a lot of money. Rinnai and Bosch offer a lifetime of 10 to 22 years and have excellent warranty on the appliance, labor and parts. Rinnai controls the water temperature with a digital control pad, while Bosch uses a wireless remote control. Both are also eco-friendly as these brands are synonymous to low NOx and CO2 greenhouse gases emission. Both are also entitled for energy tax credits and local rebates.
While Rinnai and Bosch appear to share many similarities, reviewers also take note of differences in features. Bosch has a higher minimum flow rate which means you’ll need more water running out the faucet before the heater would turn on. This could be a problem in areas with colder climate where starting temperature is lower as water wouldn’t be hot for minor usage like shaving or washing the face. Bosch water heaters also have lower flow rate of 3.6 to 7.2 gmp compared with Rinnai units that offer 8 to 9.8 gpm. Rinnai vs Bosch, Rinnai is the better choice when it comes to performance.
Bosch’s biggest advantage is its incredible 15 year warranty on heat exchanger. Rinnai only offers a maximum of 5 years on heat exchangers and all other parts. Bosch also manufactures electric tankless water heaters for homes that are not connected to natural gas or propane. Rinnai doesn’t make an electric model due to large power requirement and high operating cost. Bosch water heaters are also considerably cheaper than Rinnai. Bosch wins in these aspects.
Indeed, with so many brands out in the market, it’s not easy to choose a tankless water heater. Rinnai vs Bosch, Rinnai seems to offer better quality and has more features. But in the end, the decision on which is the better brand is still up to your budget and requirements.
Rinnai vs Noritz
Rinnai and Noritz water heaters seem to share many common features. Both are Japanese brands. All units of Noritz and Rinnai are Energy Star qualified and have burners that emit low amount of CO2 and NOx gases. Rinnai and Noritz are equipped with digital control pad and remote controllers for water temperature adjustment. Both brands offer an excellent 12-year warranty. These brands are eligible for federal energy tax credit. Rinnai and Noritz also save space in your house. If you will look at it first glance, it seems like they are just the same. However, the reviewers discovered more.
Reviews and specifications, however, reveal that Rinnai vs. Noritz, the former has more features than the latter. Rinnai utilizes single flame burners, while Noritz is equipped with dual flame burners. Though at first it would look like Noritz is favorable, nevertheless Rinnai conserves more energy and that’s what customers look for nowadays. Just the same as Noritz’ dual flame burners, it also provides water temperature stability. When it comes to heat exchanger, Rinnai is made up of commercial grade copper that most reviewers love.
In addition, Rinnai tankless water heaters offer 8 to 9.8 gpm flow rate which receive much attention. Rinnai’s advantage is clearly seen since it offers more condensing tankless water heater models of different sizes and of different capacity for indoor and outdoor installation. Noritz lack this, no doubt, more users favor Rinnai because it can easily adapt to their specific need. Rinnai water heater units are also slightly cheaper than Noritz water heater units. Of course, price matters nowadays because of hard economic times. Additionally, some reviewers also praise Rinnai for being quieter than Noritz units.
While Rinnai and Bosch appear to share many similarities, reviewers also take note of differences in features. Bosch has a higher minimum flow rate which means you’ll need more water running out the faucet before the heater would turn on. This could be a problem in areas with colder climate where starting temperature is lower as water wouldn’t be hot for minor usage like shaving or washing the face. Bosch water heaters also have lower flow rate of 3.6 to 7.2 gmp compared with Rinnai units that offer 8 to 9.8 gpm. Rinnai vs Bosch, Rinnai is the better choice when it comes to performance.
Bosch’s biggest advantage is its incredible 15 year warranty on heat exchanger. Rinnai only offers a maximum of 5 years on heat exchangers and all other parts. Bosch also manufactures electric tankless water heaters for homes that are not connected to natural gas or propane. Rinnai doesn’t make an electric model due to large power requirement and high operating cost. Bosch water heaters are also considerably cheaper than Rinnai. Bosch wins in these aspects.
Indeed, with so many brands out in the market, it’s not easy to choose a tankless water heater. Rinnai vs Bosch, Rinnai seems to offer better quality and has more features. But in the end, the decision on which is the better brand is still up to your budget and requirements.
Rinnai vs Noritz
Rinnai and Noritz water heaters seem to share many common features. Both are Japanese brands. All units of Noritz and Rinnai are Energy Star qualified and have burners that emit low amount of CO2 and NOx gases. Rinnai and Noritz are equipped with digital control pad and remote controllers for water temperature adjustment. Both brands offer an excellent 12-year warranty. These brands are eligible for federal energy tax credit. Rinnai and Noritz also save space in your house. If you will look at it first glance, it seems like they are just the same. However, the reviewers discovered more.
Reviews and specifications, however, reveal that Rinnai vs. Noritz, the former has more features than the latter. Rinnai utilizes single flame burners, while Noritz is equipped with dual flame burners. Though at first it would look like Noritz is favorable, nevertheless Rinnai conserves more energy and that’s what customers look for nowadays. Just the same as Noritz’ dual flame burners, it also provides water temperature stability. When it comes to heat exchanger, Rinnai is made up of commercial grade copper that most reviewers love.
In addition, Rinnai tankless water heaters offer 8 to 9.8 gpm flow rate which receive much attention. Rinnai’s advantage is clearly seen since it offers more condensing tankless water heater models of different sizes and of different capacity for indoor and outdoor installation. Noritz lack this, no doubt, more users favor Rinnai because it can easily adapt to their specific need. Rinnai water heater units are also slightly cheaper than Noritz water heater units. Of course, price matters nowadays because of hard economic times. Additionally, some reviewers also praise Rinnai for being quieter than Noritz units.
Rinnai tankless water heaters are highly recommended by its users to someone who plans to have or upgrade his water heater. Consumers says that they never run out of water and it is such a blessing to have this especially during the winter months where they can have longer time for showers, and there’s a lot to wash around the house. Some users also claim that they were able to save on electric bill upon using this product because Rinnai water heaters are energy-efficient. Rinnai users are satisfied with the products that they believe that Rinnai is the number 1 product ever.
Thus, the competition between Rinnai VS Rheem continued. Both offers heating and cooling equipment, water heating, tankless water heating, pool and spa heating, solar water heating, home generators, indoor air quality and other commercial products. While Rheem users claims otherwise that the tankless water heaters from Rheem are innovative, energy efficient water heating which is the best product for today’s modern homes. Loyal Rheem users believe that these products are better than Rinnai.
If you are a consumer who is confused on which of the two brands to take might as well consider the area you are living in and your expectations about how well the products work to be satisfied in using either of the two brands. It depends if your water quality is great or you need to clean the mineral deposits from it.
And also another consideration is the size of the tank; you need a bigger water tank if there will be multiple things running or small if you have little consumption. These brands requires a large gas supply so you may need to upgrade your service and the fuel pipe which is expensive and it will be more hassle if you need to vent it outside.
Among the two brands Rinnai had been a strong advocate of its energy efficient product compared with the Rheem brand. Rinnai had been awarded by Super Nova Star Award to the company’s continued efforts in keeping alliance to save energy. They are also in continued support for go green programs especially on Earth days.
Rinnai vs Other Brands on Tankless Water Heaters Comparison
Gas Tankless Water Heater Comparison Table
Brand/Model | Max BTU | Min. GPM | EF | GPM@ Temp Rise | Price |
Bosch | 77° F | ||||
| Bosch 2700ES | 199,000 | 0.65 | 0.82 | 4.2 | $1,100 |
| Bosch 2400ES | 175,000 | 0.65 | 0.82 | 3.8 | $1,050 |
| Bosch 1600H | 117,000 | 0.6 | 0.69 | 2.4 | $649 |
Noritz | 75° F | ||||
| Noritz N-0931M | 250,000 | 0.5 | N/A | 5.6 | $2,399 |
| Noritz 841 | 199,900 | 0.5 | 0.91 | 5.0 | $2,399 |
| Noritz N-0751M | 199,900 | 0.5 | 0.83 | 4.5 | $1,299 |
| Noritz N-0631S | 185,000 | 0.5 | 0.83 | 3.8 | $1,029 |
| Noritz 531 | 140,000 | 0.5 | 0.82 | 3.1 | $829 |
Rinnai | 35° F | ||||
| Rinnai R98LSi | 237,000 | 0.9 | N/A* | 9.8 | |
| Rinnai R50LSi | 150,000 | 0.6 | 0.82 | 5.0 | $679 |
| Rinnai R75LSi | 180,000 | 0.6 | .082 | 7.5 | $975 |
| Rinnai R94LSi | 190,000 | 0.6 | 0.82 | 9.4 | |
Takagi | 75° F | ||||
| T-K Jr. | 140,000 | 0.5 | 0.81 | 2.5 | $599 |
| T-K3 | 199,000 | 0.5 | 0.84 | 3.6 | $800 |
| T-H1 | 199,000 | 0.5 | 0.92 | 4.8 |
* Commercial rated - Does not have an energy factor.
Gas Tankless Water Heater Brands Compared
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