Tankless Water Heater for Large Home

According to Census Bureau’s “Characteristics of New Housing” annual report of 2016, Average American houses are 2,687 square feet. That is 11 times more than a Chinese house size. No matter how many people live in those houses the size matters a lot when one decide on buying a durable home appliance. If you are living in north or south you may consider paying extra money for the solar roofing of the excessive length of your home.

When considering buying a water heater you will be thinking about the distance the pipe has to cover from the heater to the faucet. If it is an outdoor unit than the distance will be magnified, again if it is a very cold weather the chances of the water to freeze down the pipe exists.

Size does matter when you are considering spending a significant portion of your yearly budget on a durable good like water heater. Our recommendation is find out the exact need of your home.

  • How many people are likely to use two shower at a time a day
  • How many people will be using a shower and a faucet simultaneously at a single time
  • How far will be the heater
  • How many bathrooms it has to cover etc.

Once you are done with the math you can buy a big sized water heater buy two small sized one and use in cascading style. Another solution is buying one of the best tankless water heaters for large homes and one of the best tankless water heater for tiny house and use the latter one in the kitchen as a point of use system so that other lines can enjoy uninterrupted hot water supply from the whole house unit.

Takagi T-KJr2-IN-NG

Takagi T-KJr2-IN-NG Indoor Tankless Water Heater is gas fired non condensing whole house unit. One can use it with one bathroom in colder place and two bath room in warm place. It gives 6.6 GPM flow rate at 35°F temperature rise and 3.3 GPM at 70°F rise while consumes 19,500 to 140,000 BTU. It works with a flow rate above 40 psi, so those with a low flow rate issue can certainly depend on it.

The copper heat exchanger can heat water fast and effectively. It has a dimension of 6.7 x 13.8 x 20.3 inches and weigh is 37 pound. So it is easy to carry and hook. However when you are installing it indoor much importance should be given to the venting system. Error in venting can result excessive levels of carbon monoxide which can result on nausea or asphyxiation, flue gases poisoning, severe injury or death (in worst case). Installation location needs to be equipped with sufficient, clean combustion air.

To avoid such any danger causing from improper venting be sure to follow all the required rules and codes and place the unit closer to vent termination. It is durable with 15-year limited warranty on heat exchanger and 5 yrs limited warranty on parts for Residential use. So whether you are living at a colder or warmer area of the country Takagi T-KJr2-IN-NG Indoor Tankless Water Heater is good value for money for a home with 2-4 people. Takagi also manufactures 10 gpm tankless water heater.

EcoSmart ECO 27

EcoSmart ECO 27 Electric Tankless Water Heater is one of the highest capacity water heaters of eco smart group they made as their take on best tankless water heater for large homes.

It has the dimensions of 17" x 17" x3.75" and weighs 13.75 lbs. For smooth functioning it needs 3 units of 40 AMP breakers. For easy installation you should search for all available information regarding wire size, line size etc, On that not a 3/4" NPT is required for water connection.

Unlike traditional water heaters it has Self Modulating Technology which means no hot water will be stored and no electricity will be wasted unless the time the hot water is in demand. It senses the flow of water and burner ignites to warm it up.

One thing may help you to review any other ecosmart water heater that is- the number in the model signifies the KW a model uses up for functioning. For example EcoSmart ECO 27 Electric Tankless Water Heater needs 27 KW to run if you have a 240 volt electrical line.

At inlet temperature of 37 degree F it can support one shower and two faucet (water saving) with 2.71 GPM flow rate. At 77 degree F it can give 6.59 GPM flow rate with which 4 shower (water saving).So if you live in extreme weathers of north or south you can easily adapt it for 2-3 people’s home but if you are living in place like Texas or tropical weather 5-7 people can be served with this unit.

Rinnai RL75iN

If you are looking for a gas fired, energy efficient water heater with industry’s highest safety features than Rinnai RL75iN Natural Gas Tankless Water Heater is quite safe. Gas waters are preferable to many for its environment friendly nature however they possess more risk in terms of not being vented efficiently. This model Rinnai RL75iN Natural Gas Tankless Water Heater perhaps is safer as it has complies with South Coast Air Quality Management District 14 ng/J or 20 ppm NOx emission. Another safety feature is temperature lock function. In case you have a child in house you know the importance of such locking systems.

This 82% energy efficient water heater is regarded as one of the best tankless water heater for large homes, has enhanced scale detection mechanism which will let you know when you need descale the unit and undergo a maintenance procedure.

It takes 10,300 - 180,000 BTU for operation, for residential settings it offers temperature control of 98°F - 140°F.This Energy Star certified water heater offers a 12-Year Warranty on Heat exchanger, 5 year warranty on Parts and 1 Year warranty on labor for Residential Installations.

Rinnai has this direct vent system which seals combustion air and allows user to install the unit in either bath rooms or bed rooms. Traditional B-Vent water heaters do not give such options. It gives 6.0 gpm at 50° temperature Rise and 4.3 gpm at 70° temperature Rise. If you are looking for water heater for a mobile home Rinnai RL75iN Natural Gas Tankless Water Heater is particularly propitious it is certified for such usage.

Ecosmart POU 3.5 Point of Use Electric Water Heater

A point of use water heater for instant hot water is a must thing for a home with lot of kitchen works to be done (especially for a home with kids) Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater is such a unit which you can choose either you have kids or not solely for parlour, food truck etc, It has is such a unit which you can choose either you have kids or not solely for hot bath, parlour, food truck etc,It has .5 gpm water flow and a minimum activation rate of .25 GPM.It is usable with 1/2" NPT line pipe fitting.Of all the reviews you have read this one undoubtedly has the highest level of energy efficiency of 99.8% making it one the best point of use tankless water heater for tiny homes. With 7" x 11" x 3" dimensions it weighs only 4 lbs.

A Stainless steel heat exchanger teamed up with copper heating elements ensures fastest heat obtainment and reservation.

The self modulating technology is claimed to save 60% of anyone’s electric cost. Dyer will like this unit as it has a very easy installation process. It has a maximum flow rate of 0.5-Gallon per minute and manufacturer adds an arator of .5 GPM for your sink faucet. So you cannot use it for more than a sink, neither can you use it for temperature less than 57 degree F.You need only 3.5 kW electricity usage while it is in use,so a single 30 amp breaker is all you need to support it in 120 volt amp electricity settings. My favorite feature of Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater is flow controlled so no matter what the flow rate is temperature will be duly adjusted.

StiebelEltron DHC-E12 E

The German technology that is in the business for last 90 years have this point of use system one of the best tankless water heater for tiny house named StiebelEltron DHC-E12 E Electric Tankless Water Heater.

As per electrical circuit requirements it goes with either 240 or 208-Volt electric service. As a small unit with 1.5 gpm needs a single dedicated 50 Amp breakers for functioning smoothly and 6-Gauge copper wiring. It takes 12000 watts. It has a dimension of 4.1 x 7.9 x 14.2 inches with 6 pound weight. It has a convenient digital dial offering 86-125 degrees Fahrenheit.

StiebelEltron DHC-E12 E Electric Tankless Water Heater has proprietary microprocessor control; with heating elements at multiple stages it ensures lowest possible electric consumption in compare to other same sized heaters. The smart microprocessor also ensures flow controlled heating system. That is despite of varying flow rates temperature will be preserved as chosen.

With 99% energy efficiency it also adapted self modulating technology and thus assuages users to save electric cost 15-20% in compare to traditional tank-type water heaters. StiebelEltron DHC-E12 E Electric Tankless Water Heater gives 3 year part warranty which is rare in the industry and that can make it Best tankless water heater for tiny house.

Tankless water heater sizing calculator

  • Updated 6 months ago
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