TanklessWater Heaters

Enjoy Continuous Hot Water

Rheem tankless water heaters provide the comfort and convenience of having a continuous supply of hot water. Our gas models are great as a hot water solution for homes with busy families, homes with luxury bathrooms and vacation home.

If you are looking for a hot water solution for a single faucet or shower, please see our electric tankless products below.

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Professional Prestige Series H95 Direct Vent Indoor
  • Vents with Standard PVC – lower cost, readily available, and easy to install
  • 94% efficient
  • Built-in Condensate Neutralizer – reduces installation cost and time
  • ENERGY STAR® rated
  • Industry-Best Low Activation Flow Rates – provides more fixture options, especially low-flow faucets and shower heads
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Professional Prestige Series H95 Outdoor

  • Vents with Standard PVC – lower cost, readily available, and easy to install
  • 94% efficient
  • Built-in Condensate Neutralizer – reduces installation cost and time
  • ENERGY STAR® rated
  • Industry-Best Low Activation Flow Rates – provides more fixture options, especially low-flow faucets and shower heads
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Professional Prestige Series H84 Direct Vent Indoor
(Not Available in Canada)
  • Continuous hot water, energy saving and compact, space saving design
  • Self Diagnostic System
  • 92% efficient with stainless steel condensing heat exchanger
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Professional Prestige Series H84 Outdoor
(Not Available in Canada)
  • Continuous hot water, energy saving and compact, space saving design
  • Self Diagnostic System
  • 94% efficient with stainless steel condensing heat exchanger
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Tankless Mid-Efficiency 95 Direct Vent Indoor
  • 11,000 - 199,900 BTU max.
  • 9.5 gal./min. at 35° F rise max.
  • 7.4 gal./min. at 45° F rise max
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Tankless Mid-Efficiency 95 Outdoor
  • Indoor direct vent and outdoor models
  • 11,000 - 199,900 BTU max.
  • 9.5 gal./min. at 35° F rise max.
  • 7.4 gal./min. at 45° F rise max
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Tankless Mid-Efficiency 84 Direct Vent Indoor
  • Indoor direct vent and outdoor models
  • 11,000 - 180,000 BTU max.
  • 8.4 gal./min. at 35° F rise max.
  • 6.6 gal./min. at 45° F rise max.
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Tankless Mid-Efficiency 84 Outdoor
  • Indoor direct vent and outdoor models
  • 11,000 - 180,000 BTU max.
  • 8.4 gal./min. at 35° F rise max.
  • 6.6 gal./min. at 45° F rise max.
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Tankless Mid-Efficiency 64 Direct Vent Indoor
  • Indoor direct vent and outdoor models
  • 11,000 - 150,000 BTU max.
  • 6.8 gal./min. at 35° F rise max.
  • 5.3 gal./min. at 45° F rise max.
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Tankless Mid-Efficiency 64 Outdoor
  • Indoor direct vent and outdoor models
  • 11,000 - 150,000 BTU max.
  • 6.8 gal./min. at 35° F rise max.
  • 5.3 gal./min. at 45° F rise max.
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EcoSense Condensing Tankless Indoor
  • 94% energy efficient with stainless steel condensing heat exchanger
  • Intelligent electronic controls designed to increase energy efficiency and safety
  • Third party efficiency listed by AHRI
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EcoSense Condensing Tankless Outdoor
  • 94% energy efficient with stainless steel condensing heat exchanger
  • Intelligent electronic controls designed to increase energy efficiency and safety
  • Third party efficiency listed by AHRI
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EcoSense Tankless Electric 18kW-27kW
  • Continuous hot water
  • No venting need
  • Compact size - fits almost anywhere
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EcoSense Tankless Electric 9kW-13kW
  • Continuous hot water on demand
  • Lightweight
  • Easy water connections using 1/2-inch compression fittings
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EcoSense Tankless Electric 3kW-7kW
  • Continuous hot water on demand
  • External temperature control
  • Complete install without removing the cover