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About Demand/Tankless Water Heaters

Water heating is the third largest energy expense in your home. Gas on-demand (also known as tankless) water heaters can save you 30% in comparison to conventional gas storage water heaters. Just watch out for the lure of the uber-long shower that comes with instantaneous, unlimited (albeit efficient) water heating! In this Huddle, you’ll find high efficiency tankless water heaters. They have Energy Factors (EF) of no less than 0.82 and are mostly gas powered.

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Demand/Tankless Water Heaters

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Rinnai Tankless Water Heater Model 2532
# Interior wall mount with a single wall or roof direct vent. NO footprint. # Propane or natural gas # Direct vent; forced combustion # Up to 8.5 gallons per minute # Output: 15,000-180,000 per hour. #...

Bosch Aquastar 125HX Gas Water Heater
The Bosch AquaStar is designed to last. The quality of the AquaStar begins with this inside story: all water parts are solid copper or solid plastic. Unlike tank heaters, every part is replaceable or...

Rinnai R85i PLUS Interior Tankless Water Heater
With a new modern design, the designer PLUS Series allows you to showcase your tankless water heater anywhere in your home, no longer needing utility rooms to conceal oversized mechanical...

Rheem Tankless Water Heater RTG-74PVN-1, Indoor Use
Rheem tankless water heaters combine new technology and functionality in an innovative way to heat water. The result - you now have a greater choice of award-winning Rheem products designed to give you...

Rheem Tankless Water Heater RTG53-PVN, Indoor Use
Rheem tankless water heaters combine new technology and functionality in an innovative way to heat water. The result - you now have a greater choice of award-winning Rheem products designed to give you...

Paloma PH28RIFS Residential Indoor Gas Tankless Water Heater
Paloma Industries is the #1 gas appliance manufacturer in Japan. The residential model PH28 incorporates TWO unique safety features not found on competitive tankless gas water heaters. First is the OXYGEN...

Bosch Pro Tankless 635ES Gas Water Heater
Powerful enough to supply two showers* running simultaneously! Our most powerful offering. Certainly the engineers at Bosch have outdone themselves — the beauty of this unit is in its simplicity. The...

Bosch Pro Tankless 425HN Gas Tankless Water Heater
Patented Bosch Hydro-Generated Ignition Technology The Bosch engineers have proven that water can indeed make fire. The pilot is ignited by a super-concentrated spark generated by a micro-turbine. The...

Bradford White IGE-199R Natural Gas Demand Water Heater
Available using Propane or Natural Gas. EverHot Tankless Water Heater Exterior/Outdoor Model, Continous Flow, Heat Exchanger, Remote Control, Direct Electronic Ignition, Very Low Noise Level, Fully...

Bradford White IGI-180R Gas Demand Water Heater
EverHot Tankless Water Heater Continous Flow, Heat Exchanger, Remote Control, Direct Electronic Ignition, Very Low Noise Level, Fully Automatic Controls, Interior Model, Diagnostic Controls, Cut Energy...