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Tankless Water Heaters
Shop the top tankless hot water heaters online and enjoy endless hot water on demand. Browse our selection of high-quality tankless water heaters from the top brands, including Rinnai, Eccotemp, and PrecisionTemp. Find the perfect model for your home or business, and enjoy an energy-efficient performance.
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Shop Top-Selling Tankless Hot Water Heater Brands
Our collection includes Eccotemp, PrecisionTemp, and the #1 selling tankless water heater manufacturer in North America - Rinnai. Our top-selling tankless water heater is the Rinnai SE+ Series 11 GPM Indoor Condensing Tankless Water Heater, NG - If you want an energy-efficient, high-performance tankless water heater for your home or business, we highly recommend the SE+ Series 11 GPM Indoor.
Find Your Perfect Tankless Water Hot Heater in Our Collection
Our collection includes a range of sizes and styles to find the perfect tankless water heater for your home. Whether you're looking for a compact unit for a small space or a powerful one to handle the hot water needs of a large family, you'll find it in this collection. Plus, with our selection of energy-efficient models, you can save on your monthly energy bills and do your part for the environment.
Stay Comfortable on the Go with Our Tankless Water Heaters for RVs and Off-Grid Living
If you're a traveler with an RV looking to have warm showers on the go, we recommend the RV-550 EC with Black Door Natural Gas Tankless Water Heater. It is lightweight and sleek, allowing you to install it perfectly in your RV. You'll enjoy warm showers on the go whenever you want using natural gas, a digital display, and several safety protections. Check out this list if you want more options for tankless water heaters for off-grid living.
Discover the Benefits of Tankless Hot Water Heaters for Your Home:
Curious about the benefits of tankless hot water heaters? Discover how tankless water heaters can improve your home's energy efficiency, save you money on energy bills, provide endless hot water on demand, and more. Read our tankless water heater blogs to make an informed buying decision, or just learn more about water heaters!
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Rinnai RE Series 9.8 GPM Indoor NCTWH - NG - Replaces V94IN
RinnaiOriginal price $1,500.00 - Original price $1,500.00Original price $1,500.00$1,853.00 - $1,953.00$1,853.00 - $1,953.00Current price $1,853.00Features: Clean Internal Layout LED Screen Safety Handle and Seating Bracket Easy Open / Close Access Programmable Service Reminders Compact Coppe...
View full detailsOriginal price $1,500.00 - Original price $1,500.00Original price $1,500.00$1,853.00 - $1,953.00$1,853.00 - $1,953.00Current price $1,853.00 -
Rinnai RE Series 9.8 GPM Outdoor NCTWH - NG - Replaces V94EN
RinnaiOriginal price $1,500.00 - Original price $1,500.00Original price $1,500.00$1,853.00 - $1,953.00$1,853.00 - $1,953.00Current price $1,853.00Features: Clean Internal Layout LED Screen Safety Handle and Seating Bracket Easy Open / Close Access Programmable Service Reminders Compact Coppe...
View full detailsOriginal price $1,500.00 - Original price $1,500.00Original price $1,500.00$1,853.00 - $1,953.00$1,853.00 - $1,953.00Current price $1,853.00 -
Rinnai RE Series 8.5 GPM Indoor NCTWH - LP
RinnaiOriginal price $1,500.00 - Original price $1,500.00Original price $1,500.00$1,853.00 - $1,953.00$1,853.00 - $1,953.00Current price $1,853.00The Rinnai RE Series 8.5 GPM Indoor NCTWH - LP is a high-capacity, propane-powered tankless water heater designed for indoor installation. It can d...
View full detailsOriginal price $1,500.00 - Original price $1,500.00Original price $1,500.00$1,853.00 - $1,953.00$1,853.00 - $1,953.00Current price $1,853.00 -
ShowerMate M-550 EC Natural Gas Tankless Water Heater
PrecisionTempOriginal price $1,805.00 - Original price $1,805.00Original price$1,805.00$1,805.00 - $1,805.00Current price $1,805.00The ShowerMate M-550 EC is perfect for the boater who doesn't want to leave the comforts of home behind when on the high seas. Endless hot wat...
View full detailsOriginal price $1,805.00 - Original price $1,805.00Original price$1,805.00$1,805.00 - $1,805.00Current price $1,805.00 -
Rinnai SE+ Series 10 GPM Indoor Condensing Tankless Water Heater, LP
RinnaiOriginal price $1,702.10 - Original price $1,802.10Original price$1,702.10 - $1,802.10$1,702.10 - $1,802.10Current price $1,702.10The Rinnai SE+ Series 10 GPM Indoor Condensing Tankless Water Heater is a high-efficiency water heating system that provides an endless supply of h...
View full detailsOriginal price $1,702.10 - Original price $1,802.10Original price$1,702.10 - $1,802.10$1,702.10 - $1,802.10Current price $1,702.10 -
Rinnai SE+ Series 10 GPM Outdoor Condensing Tankless Water Heater, LP
RinnaiOriginal price $1,702.10 - Original price $1,802.10Original price$1,702.10 - $1,802.10$1,702.10 - $1,802.10Current price $1,702.10The Rinnai SE+ Series tankless water heater is a high-efficiency, outdoor condensing unit that provides hot water on demand. It has a flow rate of ...
View full detailsOriginal price $1,702.10 - Original price $1,802.10Original price$1,702.10 - $1,802.10$1,702.10 - $1,802.10Current price $1,702.10 -
Rinnai SE+ Series 10 GPM Outdoor Condensing Tankless Water Heater, NG
RinnaiOriginal price $1,702.10 - Original price $1,802.10Original price$1,702.10 - $1,802.10$1,702.10 - $1,802.10Current price $1,702.10The Rinnai SE+ Series tankless water heater is a high-efficiency, outdoor condensing unit that provides hot water on demand. It has a flow rate of ...
View full detailsOriginal price $1,702.10 - Original price $1,802.10Original price$1,702.10 - $1,802.10$1,702.10 - $1,802.10Current price $1,702.10 -
ShowerMate M-550 EC Propane Tankless Water Heater
PrecisionTempOriginal price $1,700.00 - Original price $1,700.00Original price$1,700.00$1,700.00 - $1,700.00Current price $1,700.00The ShowerMate M-550 EC is perfect for the boater who doesn't want to leave the comforts of home behind when on the high seas. Endless hot wat...
View full detailsOriginal price $1,700.00 - Original price $1,700.00Original price$1,700.00$1,700.00 - $1,700.00Current price $1,700.00 -
Rinnai RE Series with Smart-Circ™ 6.6 GPM Indoor NCTWH with Recirculation and Pump, LP
RinnaiOriginal price $1,625.00 - Original price $1,725.00Original price$1,625.00 - $1,725.00$1,625.00 - $1,725.00Current price $1,625.00The Rinnai RE Series with Smart-Circ™ 6.6 GPM Indoor NCTWH (Natural Gas Tankless Water Heater) is a high-efficiency water heating system that provi...
View full detailsOriginal price $1,625.00 - Original price $1,725.00Original price$1,625.00 - $1,725.00$1,625.00 - $1,725.00Current price $1,625.00 -
Rinnai RE Series with Smart-Circ™ 6.6 GPM Indoor NCTWH with Recirculation and Pump, NG
RinnaiOriginal price $1,625.00 - Original price $1,725.00Original price$1,625.00 - $1,725.00$1,625.00 - $1,725.00Current price $1,625.00The Rinnai RE Series with Smart-Circ™ 6.6 GPM Indoor NCTWH (Natural Gas Tankless Water Heater) is a high-efficiency water heating system that provi...
View full detailsOriginal price $1,625.00 - Original price $1,725.00Original price$1,625.00 - $1,725.00$1,625.00 - $1,725.00Current price $1,625.00 -
Rinnai RE Series with Smart-Circ™ 6.6 GPM Outdoor NCTWH with Recirculation and Pump, LP
RinnaiOriginal price $1,625.00 - Original price $1,725.00Original price$1,625.00 - $1,725.00$1,625.00 - $1,725.00Current price $1,625.00The Rinnai RE Series with Smart-Circ™ 6.6 GPM Outdoor NCTWH (Natural Gas Tankless Water Heater) is a high-efficiency water heating system that prov...
View full detailsOriginal price $1,625.00 - Original price $1,725.00Original price$1,625.00 - $1,725.00$1,625.00 - $1,725.00Current price $1,625.00 -
Rinnai RE Series with Smart-Circ™ 6.6 GPM Outdoor NCTWH with Recirculation and Pump, NG
RinnaiOriginal price $1,625.00 - Original price $1,725.00Original price$1,625.00 - $1,725.00$1,625.00 - $1,725.00Current price $1,625.00The Rinnai RE Series with Smart-Circ™ 6.6 GPM Outdoor NCTWH (Natural Gas Tankless Water Heater) is a high-efficiency water heating system that prov...
View full detailsOriginal price $1,625.00 - Original price $1,725.00Original price$1,625.00 - $1,725.00$1,625.00 - $1,725.00Current price $1,625.00 -
RV-550 EC with Unpainted Door Natural Gas Tankless Water Heater
PrecisionTempOriginal price $1,600.00 - Original price $1,600.00Original price$1,600.00$1,600.00 - $1,600.00Current price $1,600.00The RV-550 EC is a four-season, tankless water heater, installing and fluing just like a tank type water heater, through the sidewall. Endless ...
View full detailsOriginal price $1,600.00 - Original price $1,600.00Original price$1,600.00$1,600.00 - $1,600.00Current price $1,600.00 -
RV-550 EC with Black Door Natural Gas Tankless Water Heater
PrecisionTempOriginal price $1,600.00 - Original price $1,600.00Original price$1,600.00$1,600.00 - $1,600.00Current price $1,600.00The RV-550 EC with Black Door Natural Gas Tankless Water Heater is a high-performance water heating unit specifically designed for recreational ve...
View full detailsOriginal price $1,600.00 - Original price $1,600.00Original price$1,600.00$1,600.00 - $1,600.00Current price $1,600.00 -
RV-550 EC with White Door Natural Gas Tankless Water Heater
PrecisionTempOriginal price $1,600.00 - Original price $1,600.00Original price$1,600.00$1,600.00 - $1,600.00Current price $1,600.00The RV-550 EC is a four-season, tankless water heater, installing and fluing just like a tank type water heater, through the sidewall. Endless...
View full detailsOriginal price $1,600.00 - Original price $1,600.00Original price$1,600.00$1,600.00 - $1,600.00Current price $1,600.00 -
Rinnai RE Series 8.5 GPM Outdoor NCTWH - NG
RinnaiOriginal price $1,500.00 - Original price $1,500.00Original price $1,500.00$1,579.00 - $1,679.00$1,579.00 - $1,679.00Current price $1,579.00The Rinnai RE Series 8.5 GPM Outdoor NCTWH - NG is a high-capacity, natural gas-powered tankless water heater designed for outdoor installation. It...
View full detailsOriginal price $1,500.00 - Original price $1,500.00Original price $1,500.00$1,579.00 - $1,679.00$1,579.00 - $1,679.00Current price $1,579.00 -
Rinnai SE+ Series 9 GPM Indoor Condensing Tankless Water Heater, LP
RinnaiOriginal price $1,551.05 - Original price $1,651.05Original price$1,551.05 - $1,651.05$1,551.05 - $1,651.05Current price $1,551.05The Rinnai SE+ Series tankless water heater is a high-efficiency, indoor condensing unit that provides hot water on demand. It has a flow rate of 9...
View full detailsOriginal price $1,551.05 - Original price $1,651.05Original price$1,551.05 - $1,651.05$1,551.05 - $1,651.05Current price $1,551.05 -
Rinnai SE+ Series 9 GPM Indoor Condensing Tankless Water Heater, NG
RinnaiOriginal price $1,551.05 - Original price $1,651.05Original price$1,551.05 - $1,651.05$1,551.05 - $1,651.05Current price $1,551.05The Rinnai SE+ Series tankless water heater is a high-efficiency, indoor condensing unit that provides hot water on demand. It has a flow rate of 9...
View full detailsOriginal price $1,551.05 - Original price $1,651.05Original price$1,551.05 - $1,651.05$1,551.05 - $1,651.05Current price $1,551.05 -
Rinnai SE+ Series 9 GPM Outdoor Condensing Tankless Water Heater, LP
RinnaiOriginal price $1,551.05 - Original price $1,651.05Original price$1,551.05 - $1,651.05$1,551.05 - $1,651.05Current price $1,551.05The Rinnai SE+ Series tankless water heater is a high-efficiency, outdoor condensing unit that provides hot water on demand. It has a flow rate of ...
View full detailsOriginal price $1,551.05 - Original price $1,651.05Original price$1,551.05 - $1,651.05$1,551.05 - $1,651.05Current price $1,551.05 -
Rinnai SE+ Series 9 GPM Outdoor Condensing Tankless Water Heater, NG
RinnaiOriginal price $1,551.05 - Original price $1,651.05Original price$1,551.05 - $1,651.05$1,551.05 - $1,651.05Current price $1,551.05The Rinnai SE+ Series 9 GPM Outdoor Condensing Tankless Water Heater is a high-capacity, natural gas-powered tankless water heater designed for out...
View full detailsOriginal price $1,551.05 - Original price $1,651.05Original price$1,551.05 - $1,651.05$1,551.05 - $1,651.05Current price $1,551.05 -
RV-550 EC with Unpainted Door Propane Tankless Water Heater
PrecisionTempOriginal price $1,500.00 - Original price $1,500.00Original price$1,500.00$1,500.00 - $1,500.00Current price $1,500.00The RV-550 EC is a four-season, tankless water heater, installing and fluing just like a tank type water heater, through the sidewall. Endless...
View full detailsOriginal price $1,500.00 - Original price $1,500.00Original price$1,500.00$1,500.00 - $1,500.00Current price $1,500.00 -
RV-550 EC with Black Door Propane Tankless Water Heater
PrecisionTempOriginal price $1,500.00 - Original price $1,500.00Original price$1,500.00$1,500.00 - $1,500.00Current price $1,500.00RV-550 EC with Black Door Propane Tankless Water Heater The RV-550 EC is a four-season, tankless water heater, installing and fluing just like a ta...
View full detailsOriginal price $1,500.00 - Original price $1,500.00Original price$1,500.00$1,500.00 - $1,500.00Current price $1,500.00 -
RV-550 EC with White Door Propane Tankless Water Heater
PrecisionTempOriginal price $1,500.00 - Original price $1,500.00Original price$1,500.00$1,500.00 - $1,500.00Current price $1,500.00The RV-550 EC is a four-season, tankless water heater, installing and fluing just like a tank type water heater, through the sidewall. Endless ...
View full detailsOriginal price $1,500.00 - Original price $1,500.00Original price$1,500.00$1,500.00 - $1,500.00Current price $1,500.00 -
Rinnai HE+ Series 9.8 GPM Indoor Non-Condensing Tankless Water Heater, LP
RinnaiOriginal price $1,425.61 - Original price $1,525.61Original price$1,425.61 - $1,525.61$1,425.61 - $1,525.61Current price $1,425.61The Rinnai HE+ Series 9.8 GPM Indoor Non-Condensing Tankless Water Heater is a powerful and efficient appliance designed to provide an endless hot ...
View full detailsOriginal price $1,425.61 - Original price $1,525.61Original price$1,425.61 - $1,525.61$1,425.61 - $1,525.61Current price $1,425.61
