A tankless water heater is an energy-efficient alternative to a traditional storage-tank water heater. It heats water on demand, only when you need it, so you’re not paying to heat and maintain a tank of hot water when you’re not using it.
There are many different types and brands of tankless water heaters on the market, so it’s important to do your research to find the best one for your home.
When choosing a tankless water heater, you’ll want to consider the following:
-Flow rate: The flow rate is how much hot water the unit can deliver per minute. You’ll want to choose a unit with a flow rate that meets your needs.
-Fuel type: Tankless water heaters can be powered by electricity, natural gas, or propane.
-Energy efficiency: All tankless water heaters are more energy-efficient than traditional storage tank water heaters, but some are more efficient than others.
-Size: Tankless water heaters come in a variety of sizes. Choose a size that’s appropriate for your home and your needs.
-Warranty: Look for a unit with a good warranty. This will give you peace of mind in case something goes wrong.
We recommend the Rinnai RL94iN Natural Gas Tankless Water Heater. This unit has a flow rate of 9.4 gallons per minute, making it a great choice for households with multiple bathrooms. It’s also one of the most energy-efficient models on the market, with an Energy Factor of .95.
The Rinnai RL94iN is also a good choice for larger homes or homes with high hot water demand. It comes with a 12-year warranty, so you can be confident in its quality.
Also, read our latest guide about the best tankless water heater for direct venting.
Best Tankless Water Heater For Radiant Heat
We recently reviewed the best commercial tankless water heater. So, if you’re looking for the best tankless water heater for radiant heat, then you are landing in the right place.
In this guide, we’ve reviewed the top rated tankless water heater for radiant heat, including their features, quality, users reviews, performance, pros, and cons.
Also, this article will help you to pick the right tankless water heater for radiant heat.
| IMAGE | PRODUCT | DETAILS | ||
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BEST HOT WATER HEATER FOR RADIANT HEAT
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Camplux Pro ME158
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Camplux Pro ME158
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Check On Amazon |
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BEST ELECTRIC WATER HEATER FOR RADIANT FLOOR HEAT
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Stiebel Eltron Tempra Plus
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Stiebel Eltron Tempra Plus
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Check On Amazon |
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BEST TANKLESS WATER HEATER FOR RADIANT HEAT
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A.O Smith ENS-50
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A.O Smith ENS-50
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Check On Amazon |
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BEST TANKLESS WATER HEATER RADIANT FLOOR HEATING
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Rinnai RUCS Series SE
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Rinnai RUCS Series SE
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BEST WATER HEATER FOR RADIANT FLOOR HEAT
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SIO Green IR260
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SIO Green IR260
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Check On Amazon |
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BEST ELECTRIC TANKLESS WATER HEATER FOR RADIANT HEAT
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Noritz NRC111- DV
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Noritz NRC111- DV
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|
Check On Amazon |
1- Camplux Pro ME158 – best water heater for radiant heat
As we all know, Camplux is a well-known tankless water heater manufacturing company that delivers compact, portable, and lightweight water heaters at affordable prices for consumers.
This tankless water heater radiant heat is easy to use and cord plug into 120V outlet independent installation and inline with the large hot water source.
- Quality: This tankless water heater hydronic heat is easy to maintain and has a glass-lined tank for long-lasting service life.
- Performance: This tankless water heater radiant floor heat has a water flow rate of 1.3 gallons per-minutes (GPM) that fits under your sink to provide water right. It can be a shelf and wall or floor mounted. Moreover, it merely taps into the cold water line and installs the tankless water heater directly at the sink that instantly provides water.
- Features: This best boiler for radiant floor heat features high-quality materials and has a long-lasting service life. It also features a thermostatic control that allows the user to adjust the water temperature.
- Users reviews: This unit contains a 70% 5- star rating from its customers.
- Overall rating: 4.7 out of 5.0.
- Best use: This tankless water heater is best used for under-sink and ideal tankless water for radiant heat.
Pros
- Best value for money
- Easy to use
- It fits under the sink
- Sweet protection
- High quality
Cons
- Cheap PVC
2- Stiebel Eltron Tempra Plus – best electric water heater for radiant floor heat
If you find a portable electric tankless water heater that is suitable for cold weather, then this Stiebel Eltron is the ideal choice for you. It is a bit pricier than the other tankless water heater.
Furthermore, this tankless boiler radiant floor heating can heat water up to 150-degrees and comes with a decent water flow rate of 7. Gallons per-minutes (GPM).
- Quality: This on-demand boiler for radiant heat has a sleek design that fits anywhere you want. It also comes with digital temperature control.
- Performance: This electric water heater radiant floor heat save at least 15% to 20% on the hot water portion of your electric bill. This tankless water heater requires 240V or 208V. Besides, this closed-loop radiant floor heating system has a sleek design that fits anywhere you want. It reduces the water flow rate until the light on the front cover stops blinking.
- Features: This water heater for radiant heat features a sleek design and digital temperature control. It also features proven reliability, and no venting required.
- Users reviews: This tankless water heater contains a 74% 5- star rating from its customers.
- Overall rating: 4.4 out of 5.0.
- Best use: This water heater for radiant heat is best for laundry purposes, and the ideal tankless water heater for hand washing.
Pros
- Sleek design
- Fits anywhere
- Digital temperature control
- No venting required
- Durable
Cons
- Constant temperature fluctuation
3- A.O Smith ENS-50 – best tankless water heater for radiant heat
If you are looking for a compact, portable, and lightweight tankless water heater for radiant heat, then this A.O Smith tankless water heater is the ideal choice for you. It is highly recommended and well made.
Moreover, this tankless water heater for the radiant heat floor does not usually have the BTUs that can heat a large house and supply the domestic water simultaneously. So, if you need one zone, then this tankless water heater works very well.
- Quality: It is made from a durable PEX cross-linked polymer. This hot water heater for radiant floor heat comes with a stable and temper glass resistant brass drain valve.
- Performance: This best tankless water heater for RV comes with the perma-glass glass coating that protects the steel tank from corrosion maximizes the tank life. It also has a DNA clean diffuser dip tube to reduce the lime & sediment buildup while maximizing the hot water output. It meets all the current regulations set 4th by the national appliances energy conservation act.
- Features: This tankless water heater radiant floor heat features a tamper-resistant brass drain valve. It also features Perma glass coatings and durable PEX cross-linked polymer.
- Users reviews: This heater contains an 83% 5- star rating from its customers.
- Overall rating: 4.3 out of 5.0.
- Best use: This tankless water heater is best used for radiant heat and ideal for the bathroom.
Pros
- Durable
- Temper resistant brass drain valve
- Coregaurd anode
- Perma glass coating
- Dynaclean diffuser dip
- Long-lasting PEX
Cons
- Batteries required
4- Rinnai RUCS Series SE – best tankless water heater radiant floor heating
If you’re seeking remote-controlled tankless water, where you can set the temperature without going to the tank, then this Rinnai tankless water heater will give you all you desire.
Furthermore, it is an exceptionally functional and very cost-saving tankless water heater. The incredible thing about this tankless water heater for radiant heat floors is that it works with propane and natural gas.
- Quality: This is made up of high-quality materials that make it portable and compact. It has an attractive design and highly recommended.
- Performance: This tankless propane water heater for the radiant floor has a maximum water flow rate of 7. Gallons per-minutes (GPM). It also comes with an energy factor of up to 0.9. besides, this water heater to heat house comes with the residential factory warranty, including 120-months of a heat exchanger, 12-months of labor, and 60-months of parts.
- Features: This electric hot water heater radiant heat features endless hot water for your entire house and instantly provides hot water. It also features a Control-R 2.0 mobile app feature and comes with the residential factory warranty.
- Users reviews: This tankless water heater for radiant heat floor contains a 77% 5- star rating from its customers.
- Overall rating: 4.6 out of 5.0.
- Best use: This tankless water heater for radiant heat is best to use for handwashing and dishwashing.
Pros
- Endless how water
- High GPM
- High efficiency
- Residential factory warranty
- Remote controlled
Cons
- Not worth for money
5- SIO Green IR260 – best water heater for radiant floor heat
SIO Green IR260 is the ideal electric tankless water heater for radiant heat. This tankless water heater radiant heat diagram does not use a heating coil as compared to the other tankless water heater.
Moreover, this electric hot water heater radiant heat uses quartz crystals. It heats the crystal up to 200 degrees. It radiates heat into the water without ever touching it.
- Quality: This propane water heater for radiant floor heating has made up long-lasting service life. It works very well and a compact design.
- Performance: This radiant heat boiler has a decent water flow rate of 4.0 gallons per-minutes (GPM). This best condensing tankless water heater features a four power level. So you can easily tailor its performance to your own family needs. Furthermore, this electric water heater for radiant heat comes with the patented technology, no coil, and metallic free elements.
- Features: This best electric water heater for radiant floor heat features hot water anytime you want without any hassle. It also features patented technology, no coil, and metallic free elements.
- Users reviews: This unit contains a 44% – star rating from its customers.
- Overall rating: 3.2 out of 5.0.
- Best use: This tankless water heater is best used for the kitchen and bathroom and the ideal tankless water heater for radiant heat.
Pros
- Easy to use
- Patented technology
- Metallic free elements
- Worth for money
Cons
- Cheaply made
6- Noritz NRC111- DV – best electric tankless water heater for radiant heat
As we all know, Noritz is a well-known water heater manufacturing company that delivers compact, portable, and lightweight water heaters at affordable prices for consumers.
Moreover, this water heater radiant floor heat has amazing performance and an attractive design that attracts people. It can heat water up to 35-degrees. Overall, it is the best tankless water heater for radiant heat.
- Quality: This radiant heat source tankless hot water heater is made up of high-quality materials that make it portable.
- Performance: This tankless hot water radiant heat comes with a high water flow rate of 8.4gallons per-minutes (GPM). This tankless water heater has a maximum 199900BTUs and 0.5 gallons per-minutes activation flow rate. This tankless water heater has a dramatic reduction of carbon dioxide that increases the heaters’ efficiency level to 93percent.
- Features: This radiant floor heating with a tankless water heater features a super water flow rate of 8.4gallons per-minutes. It also features a fusion of stainless steel and copper heat exchanger.
- Users reviews: This unit contains a 34% – star rating from its customers.
- Overall rating: 3.0 out of 5.0.
- Best use: This natural gas tankless water heater is best used for the shower and ideal tankless water heater for hand washing.
Pros
- High GPM
- the fusion of stainless steel
- Copper heat exchanger
- Self-diagnostic onboard
Cons
- No batteries included
- Expensive
Conclusion:
We think that Stiebel Eltron Tempra Plus is the ideal tankless water heater for radiant heat. It comes with self-modulating technology and digital temperature control.
This radiant floor heating tankless water heater has a sleek design that fits anywhere you want, and no venting requires.
Second, we have the Rinnai RUCS series. This Rinnai tankless water heater for radiant heat has a decent water flow rate of 7.5 gallons per-minutes (GPM). It also has a residential factory warranty, including 120-months of the heat exchanger, 12-months for labor, and 60-months for parts.
Last but not least, we’ve s Camplux Pro ME158. It is easy to use and comes with a thermostatic control that allows the water temperature adjustment. This hydronic radiant floor heating tankless has a water flow rate of 1.3 gallons per-minutes.
Frequently Asked Question About The Best Tankless Water Heater For Radiant Heat
Which tankless water is best for radiant heat?
- Camplux Pro ME158
- Rinnai RUCS series
- Sio Green
- Stiebel Eltron Tempra Plus
What kind of tankless water heater do I need?
If you are taking a shower and simultaneously use two faucets, then you will need at least a water flow rate of 5gallons per-minutes (GPM). Tankless water heaters can deliver anywhere from two GPM to 12GPM of hot water.
What’s radiant heat in a fire?
Radiant heat is the heat you can feel from a fire. It is the biggest killer in the fire. So, the best protection is the distance.
Do heated floors use any electricity?
Most heated tile floors & electric floor heating system use12W per hour per square foot, it means that 100 square foot rooms would use 1200W in a total every hour or 300W less than the average space heater.