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Top 8June 2025

Best Rinnai Tankless Water Heater Propane Inside Whole House Indoor

We made a list of the top 8 Rinnai Tankless Water Heater Propane Inside Whole House Indoor based on verified reviews, popularity and other factors which we summarized for you in this list.

Best Choice

NEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU

NEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU

✓One Model, Anywhere: This Rinnai tankless water heater is installable indoors or outdoors thanks to our new Versa Vent and powered by either propane or natural gas thanks to a Smart Sense gas control system; RX-OVC vent cap required for outdoor install
✓Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This condensing propane and natural gas tankless water heater from Rinnai is only the size of a small suitcase, but provides up to 11.1 GPM (7 fixtures at once)
✓Smart, Efficient Design: This water heater's modern design includes an easy-to-use interface, Quick Flush feature for simplified flushing, as well as a super-high energy efficiency factor of UEF .98; See Controlr module for WiFi control (not included)
✓Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to find a qualified technician to install your tankless water heater, and use the Rinnai Central App for help with setup, service & troubleshooting; 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 size for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region

Learn moreon Amazon

Rinnai RE140iP Non-Condensing Propane Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU

Rinnai RE140iP Non-Condensing Propane Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU

✓Smart Design: Improved design of tankless hot water heater only heats when necessary to conserve energy; Speeds installation and enhances serviceability with a cleaner internal layout; LED screen provides service reminders and error codes
✓Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This non-condensing indoor tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 5.3 GPM (5 fixtures at once)
✓Smart, Durable Design: 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

Learn moreon Amazon

Rinnai REP160iP Smart-Circ Non-Condensing Propane Tankless Water Heater with Built-In Recirculation Pump, Up to 6.6 GPM, Indoor Installation, 160,000 BTU

Rinnai REP160iP Smart-Circ Non-Condensing Propane Tankless Water Heater with Built-In Recirculation Pump, Up to 6.6 GPM, Indoor Installation, 160,000 BTU

✓Smart-Circ Intelligent Recirculation: Tankless hot water heater offers a built-in recirculation pump and Smart-Circ technology that learns your water use patterns, then schedules pump and recirculation accordingly for energy efficiency and convenience
✓Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This non-condensing indoor tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 6.1 GPM (5 fixtures at once)
✓Smart, Durable Design: 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

Learn moreon Amazon

Rinnai V53DeP Propane Tankless Water Heater, 5.3 GPM, Outdoor Installation

Rinnai V53DeP Propane Tankless Water Heater, 5.3 GPM, Outdoor Installation

✓Endless Hot Water For Every Need: Enjoy the convenience of our tankless hot water heater with a 5.3 GPM flow rate, delivering unlimited hot water to multiple appliances for your busy household
✓Energy-Efficient Performance: Our propane tankless water heater conserves energy by heating water on demand, ensuring you use energy only when needed while enhancing the unit's lifespan with improved scale detection features
✓Optimal Space-Saving Design: The compact design of this outdoor propane water heater allows for installation in tight spaces while providing powerful and consistent hot water flow, perfect for families and individuals alike
✓Professional Installation Recommended: Ensure seamless performance and longevity by having a qualified technician install your Rinnai tankless water heater, offering peace of mind and adherence to safety standards
✓Reliable Warranty Protection: Backed by a robust warranty, our Rinnai water heater includes a 10-year warranty on the heat exchanger, a 5-year warranty on labor, and a 1-year warranty on parts, confirming our commitment to quality

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Rinnai RE140iN Non-Condensing Natural Gas Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU

Rinnai RE140iN Non-Condensing Natural Gas Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU

✓Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This non-condensing indoor tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 5.3 GPM (5 fixtures at once)
✓Smart, Durable Design: 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

Learn moreon Amazon

8% Discount

Rheem RTG-70DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater, 7.0 GPM

Rheem RTG-70DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater, 7.0 GPM

✓Continuous Hot Water & Comfort When Needed – Provides enough hot water for your entire house, even when using multiple applications such as a shower and dishwasher
✓Save on Energy Costs – High Efficient Water Heater only runs when needed
✓Save Water– Water Saving Setting saves up to 1,100 gallons of water per year
✓Hot-start programming keeps the water heater in a ready state, avoiding any cold-water bursts
✓Leak Protection – LeakGuard Leak Detection & Prevention protects your home from water damage that detects any internal leak, both large or small

Learn moreon Amazon

18% Discount

Rheem RTGH-95DVELP-3 Super High Efficiency Condensing Indoor Tankless Liquid Propane Water Heater, 9.5 GPM with WiFi

Rheem RTGH-95DVELP-3 Super High Efficiency Condensing Indoor Tankless Liquid Propane Water Heater, 9.5 GPM with WiFi

✓Continuous Hot Water & Comfort When Needed – Provides enough hot water for your entire house, even when using multiple applications such as a shower and dishwasher
✓Save on Energy Costs – Super High Efficient Water Heater only runs when needed
✓Built-in EcoNet Wi-Fi Technology - Customize settings of your water heater, track energy and water usage, receive important alerts for maintenance and control temperature and recirculation settings from your phone of mobile device
✓Hot-start programming keeps the water heater in a ready state, avoiding any cold-water bursts
✓Leak Protection – LeakGuard Leak Detection & Prevention protects your home from water damage that detects any internal leak, both large or small

Learn moreon Amazon

Rheem RTG-70DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 7.0 GPM

Rheem RTG-70DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 7.0 GPM

✓Continuous Hot Water & Comfort When Needed – Provides enough hot water for your entire house, even when using multiple applications such as a shower and dishwasher
✓Save on Energy Costs – High Efficient Water Heater only runs when needed
✓Save Water– Water Saving Setting saves up to 1,100 gallons of water per year
✓Hot-start programming keeps the water heater in a ready state, avoiding any cold-water bursts
✓Leak Protection – LeakGuard Leak Detection & Prevention protects your home from water damage that detects any internal leak, both large or small

Learn moreon Amazon

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