A Large family often stay in a home with various bathrooms, and some person might choose to wash dishes or do laundry with hot water while someone else is taking a bath. In such a situation, you need a whole house tankless water heater to provide frequent hot water for you.
Whole house propane tankless water heater refers to the heaters that use propane as the primary power source. It is eco-friendly and more energy-sufficient than electric types. On selecting the best whole house propane tankless water heater, we will offer you some reviews and tips as follow:
3 Best Whole House Propane Tankless Hot Water Heater
Here we selected the top 3 best whole house propane tankless water heaters for you:
| Tankless Water Heater | Best Type |
| Best large flow rate type | Rheem RTG-95XLP Outdoor Tankless Propane Water Heater |
| Best energy efficient type | Navien NPE-180A Premium Condensing Tankless Gas Water Heater |
| Best one for middle or small family use | Takagi T-KJr2-IN-LP Indoor Propane Tankless Water Heater |
5 Top Rated Whole House Propane Tankless Water Heaters
| Products | Name | Ratings |
  |
Rheem RTG-95XLP | 4.8 |
  |
Navien NPE-180A Premium | 4.8 |
  |
Rinnai V65EP Outdoor | 4.5 |
  |
Rinnai RL94iP Propane | 4.7 |
  |
Takagi T-KJr2-IN-LP Indoor | 4.6 |
Above is a quick rating of the Best Whole House Propane Tankless Water Heaters. Now, let’s get back to business.
There are various manufacturers of whole house propane tankless water heaters, and each of them has its own advantages and features, some of which suits you best, some may have little to no use for you. So, we have handpicked the 5 best whole house on demand propane water heater for you and made a review, you can compare the advantages ir features of them and select the most suitable one.
This is rated #1 on our list of the best whole house propane tankless water heater
Features:
- 9.5 gallons per minute
This while house propane tankless hot water heater goes as high as 9.5 gallons per minute, which is considered high and can be used as commercial tankless water heaters even after cascading. So, it is able to meet the demand for whole house use perfectly.
- Low NOx design
This water heater can be powered by both propane and natural gas. The low NOx design of this whole house propane instant hot water heater makes it release less greenhouse gas emissions.It works on power ranging from 11,000 to 199,900 BTU per hour.
- 120 degrees F maximum temperature
The highest temperature of the unit reaches 120 degrees F, but, it enables remote control, and highest temperature can be up to 140 degrees F with remote control. But you need to buy it separately.
Pros:
- Energy efficient
- Can be installed outdoor
- Has a large floe range
- Most powerful one in full line of Rheem heaters
- Compact and lightweight shape
- Installed outdoor
- Propane and Gas available both
Cons:
Needs to be installed by professionals
This ranks #2 on our review of whole house propane tankless hot water heater
Features:
- 8.4 gallons per minute
With a flow rate of 8.4 gallons per minute, this whole house propane tankless heater provides support for 2 bathrooms at the same time in warm areas. And you can also use kitchen faucets, without any fluctuations happening.
- Smart technology is both armed on the heating machine. It has a built-in buffer tank and re-circulation pump that helps to rid off cold water sandwich, and meanwhile, fasten the heating time of the heater.
- Both outdoor and indoor installation allowed
This Navien tankless water heater can be installed both outdoor and indoor, if you lack the professional knowledge on it, you can get a professional to help to install for you.
Pros:
- low NOx emissions
- Smart digital control panel, showing temperature and error code
- Large water flow rate for whole house use.
- ComfortFlow technology
- Ultra condensing system
Cons:
A bit expensive
Continue reading this best whole house propane tankless water heater to learn more
Features:
- 6.6 gallons per minute
The flow rate of this Rinnai tankless water heater is 6.6 gallons per minute, not so large as other two recommended tankless water heaters, but will still comfortably meet the demand of one bathroom and 2 kitchen faucets use.
- Temperature lock
It is a relatively smart tankless water heater, much-advanced technology like temperature lock is equipped, in order to avoid the unintentional touch. Plus, it is remote control enabled.
- 0.82 energy efficient
Thermal efficiency reaches 0.82, which is said to be on the average level. So this is also an energy-efficient tankless water heater. Maximum BTU is 150000.
Pros:
- Propane and Natural gas available both
- Low NOx design
- Installation is Safe
- Remote control enabled
- Low working noise
Cons:
Water gets cold again once you turn the tap off
The whole house propane tankless hot water heater
Feature:
- 9.4 gallons per minute
This is another whole house propane tankless water heater with an high flow rate. The highest flow rate reaches 9.4 gallons per minute. It is able to support 4 or 3 bathrooms in warm areas and 2 bathrooms in cold areas.
- Easy digital control
The water temperature shows on the digital control panel, and other error codes show when something goes wrong. The adjustment is simple to operate, and you can change the temperature 1 degrees increment one time.
- Direct power vent
It employs a direct power vent. This closed system allows no outer cold air get into the machine after it turns off. No annoying smell because of the direct venting system.
Pros:
- Frequent hot water supply
- Highly efficient
- Consumes less fuel
- No standing heat loss
- Easy operated digital control
Cons:
Coldwater sandwich
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Features:
- 6.6 gallons per minute flow rate
The flow rate of this Takagi tankless water heater tops at 6.6 gallons per minute and is able to support one bathroom and 2 kitchen faucets the same time, thus can be used for middle or small size family perfectly.
- 150 degrees F temperature
The highest temperature of this unit is 150 degrees F, it meets the demand of normal home use, the gas consumption is up to 140000 BTU and the energy-efficient reaches 0.81.
- Self-modulating device
The self-modulating device of this unit is used to monitor and adjust water temperature all the time; it is able to cut down water fluctuation smartly.
Pros:
- Size is compact
- Highly energy efficient
- Digital remote control
- Demand little maintenance
- Supports many bathrooms and sinks use the same time
Cons:
Working noise is quite loud
How To Choose Best Whole House Propane Tankless Water Heater
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Size
Compared with portable propane tankless water heater, the size of whole house types are definitely way bigger and take up much more space. But of course, they are far smaller than tank water heaters. You have more options, some are designed small enough for a tiny home, while some are much bigger to allow large flow rate. So, you should figure out the approximate size that you want.
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Flow rate
Whichever whole house propane tankless hot water heater you select, it’s flow rate needs to be large enough, or it is not capable enough to provide frequent hot water when more than one faucets or bathrooms are used. So the flow rate should be large enough, reaching at least 6 gallons per minute, so it is able to support 1 kitchen and one bathroom easily.
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Energy efficient
The energy-efficient tankless water heater is able to save you more cash on heating and water bills. Aside this, it is more ecofriendly. For some best whole house propane tankless water heaters, the thermal efficiency reaches up to 0.95.
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Waiting time
For whole house propane instant hot water heater, the largest issue may not be the long waiting ime, hot water flows via the long pipe and then transferred to the destination. For different whole house tankless water heaters, the waiting time can differ a lot, various from 5 seconds to 1 minute. The longer waiting time is, the more water is wasted.
There you have the full list of the best whole house propane tankless water heater
Features Of Whole House Propane Tankless Water Heater
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Large flow rate
The average flow rate of whole house propane tankless water heater is 6-8 gallons per minute, some gi as high as 9 gallons per minute. High flow rate allows you to frequently hot water for you.
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Eco-friendly
Whole house propane tankless water heater adopts propane as a primary power source, it is safer, cleaner and does almost no pollution to environmental, so it is helpful for environmental protection.
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Meet multiple needs
For a lot of people especially large families, there are many kitchen faucets or bathrooms; one whole house propane tankless water heater is able to solve all the indoor needs.
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Large size
Compared with multiple portable tankless water heater, the size of which is large. But when comparing it with a water tank heater, it is also compact and uses small space.
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Large temperature range
Temperature range of whole house propane tankless water heater falls typically between 90 and 140 degrees F. It is able to meet the demand for basic needs for your day-to-day life.
Attention:
There are double methods of installation, one is outdoor installation and the other is an indoor installation. For outdoor tankless water heaters, they should be installed on the outer wall of the bathroom for fast hot water supply.
And that’s all you need to know on whole house propane tankless water heater
Last Words on Best Whole House Propane Tankless Water Heater
The working life and performance of whole house tankless water heater are related to the installation to an extent, if installed wrongly, it may get broken easily. So, if you lack enough knowledge of tankless heater installation, you can also hire a professional to help.
If you experience trouble in locating the best whole propane tankless water heater, or want to learn more about each selected products recommended above, please feel free to check it on Amazon marketplace. Plus, there will always be huge discounts off products on Amazon that will help you save a large amount of money for you as you buy the best whole house electric tankless water heater reviews.
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