Best Whole House Tankless Water Heater

Water Pipe Dab Mix

  • Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits.
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a....
  • Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger,....
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your....
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for....
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CODEX GIGAS Trap Metal

  • Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits.
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a....
  • Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger,....
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your....
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for....
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EcoSmart ECO 27 Tankless Water Heater Electric 27-kW - Quantity 1 17 x 17 x 3.5

  • Consistent hot water when you need it that never runs out.
  • Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature.
  • EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters.
  • may be installed on wall or at point of use.
  • EcoSmart tankless electric water heaters are 99% thermal energy efficient.
  • Only heats water when called unlike a tank heater that maintains water temperature even when not being used. Save up to 50% in water heating costs according to the Department of Energy.
  • Refer to the sizing map. Requires 3x40 AMP Double Pole Breaker, 27-kilowatt tankless electric water heater ideal for providing hot water for whole home applications.
  • provides between 2.7 and 6.5 gallons-per-minute depending on the inlet water temperature.
  • refer to the sizing guide to select the proper solution.
  • Limited Lifetime Warranty on electronics, exchanger and element.
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Rinnai RL94eN Non-Condensing Natural Gas Tankless Water Heater, Outdoor Installation, Up to 9.8 GPM

  • Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits.
  • For the latest in non-condensing technology that speeds up service and installation, check out our new RE180eN model.
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 9.8 GPM (6 fixtures at once).
  • Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts, respectively.
  • See Controlr module for WiFi control (not included).
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater.
  • We do not recommend installing a water heater without a technician.
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home.
  • Check our Ground Water Temperature Map to see if this heater is optimal for your region.
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Rinnai RL94iN Non-Condensing Natural Gas Tankless Water Heater, Indoor Installation, Up to 9.8 GPM

  • Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits.
  • For the latest in non-condensing technology that speeds up service and installation, check out our new RE180iN model.
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 9.8 GPM (6 fixtures at once).
  • Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts, respectively.
  • See Controlr module for WiFi control (not included).
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater.
  • We do not recommend installing a water heater without a technician.
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home.
  • Check our Ground Water Temperature Map to see if this heater is optimal for your region.
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Rinnai V65eN Non-Condensing Natural Gas Tankless Water Heater, Outdoor Installation, Up to 6.5 GPM

  • Original Design: Tankless hot water heater only heats when necessary to conserve energy.
  • For the latest in non-condensing technology and a cleaner layout that speeds up service and installation, check out our new RE160eN model.
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 6.5 GPM (5 fixtures at once).
  • Smart, Durable Design: Enhanced scale detection helps prevent serious, long-term damage to unit.
  • Includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively.
  • See Controlr module for WiFi control (not included).
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater.
  • We do not recommend installing a water heater without a technician.
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home.
  • Check our Ground Water Temperature Map to see if this heater is optimal for your region.
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Rinnai V94iN Non-Condensing Natural Gas Tankless Water Heater, Indoor Installation, Up to 9.8 GPM

  • Original Design: Tankless hot water heater only heats when necessary to conserve energy.
  • For the latest in non-condensing technology and a cleaner layout that speeds up service and installation, check out our new RE199iN model.
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 9.8 GPM (6 fixtures at once).
  • Smart, Durable Design: Enhanced scale detection helps prevent serious, long-term damage to unit.
  • Includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively.
  • See Controlr module for WiFi control (not included).
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater.
  • We do not recommend installing a water heater without a technician.
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home.
  • Check our Ground Water Temperature Map to see if this heater is optimal for your region.
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Mini Electric Tankless Water Heater - 110V Small Instant Hot Water Heater,Under Sink Plug in Water Heaters on Demand with LCD Digital Display for Kitchen Sink Faucet(Gold)

  • ✅【110v Tankless Water Heater】:The home water heater is Install below the sink, small size saving you space under the sink. Size: 7.87x 5.12 x 2.56". Mini Tankless Water Heater is the best gift for person who has a new sink!.
  • ✅【Heating Water in 3s】:When the water passes through the unit, 3000W output tankless electric water heater will heat in 3 seconds, saving your water bill. You can control the temperature according to the water flow.Water Temperature Range: 35-50℃..
  • ✅【Wide Applications】: The instant water heater 110v tanklesss suitable for universal water pipe: 1/2 inch diameter (inflow or outflow),110V.
  • US Plug. Install the small instant hot water heater under American kitchen island, kitchen and living room, enjoy hot water for washing dishes, food, clothes, faces and so on..
  • ✅【Safe Automatic Power-Off】:The mini tankless electric water heater 110v automatically shuts down when inactive, overheated, or leaking. And stop heating when there is no water flow, saving your electricity bills..
  • ✅【Easy to Install】:Just install the small water heater on a shelf, wall or bracket under the bathroom or kitchen sink.
  • connect the water pipes up and down to provide hot water for your sink..
  • ✅【Note】:The small tankless water heater....
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Rinnai RSC199iN Smart-Circ Condensing Gas Tankless Water Heater, Super High Efficiency Plus Natural Gas Water Heater, Up to 11 GPM, Indoor Installation, 199,000 BTU

  • Smart-Circ Intelligent Recirculation: This tankless hot water heater features Smart-Circ technology that learns your water usage patterns, then schedules pump and recirucation accordinlgy for superior energy efficiency and convenience.
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This indoor condensing tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 11 GPM (7 fixtures at once).
  • Smart, Durable Design: With multiple venting options, water heater fits a wide array of spaces.
  • Includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively.
  • See Controlr module for WiFi control (not included).
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater.
  • We do not recommend installing a water heater without a technician.
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home.
  • Check our Ground Water Temperature Map to see if this heater is optimal for your region.
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Rinnai RSC160iN Smart-Circ Condensing Gas Tankless Water Heater, Super High Efficiency Plus Natural Gas Water Heater, Up to 9 GPM, Indoor Installation, 160,000 BTU

  • Smart-Circ Intelligent Recirculation: This tankless hot water heater features Smart-Circ technology that learns your water usage patterns, then schedules pump and recirucation accordinlgy for superior energy efficiency and convenience.
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This indoor condensing tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 9 GPM (6 fixtures at once).
  • Smart, Durable Design: With multiple venting options, water heater fits a wide array of spaces.
  • Includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively.
  • See Controlr module for WiFi control (not included).
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater.
  • We do not recommend installing a water heater without a technician.
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home.
  • Check our Ground Water Temperature Map to see if this heater is optimal for your region.
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