Top 6 Best Tankless Gas Hot Water Heater
of November 2024
1
Best Choice
Rheem
Rheem
Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water Heater
10
Exceptional
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2
Best Value
Rinnai
Rinnai
Rinnai RL94IN Tankless Hot Water Heater, 9.8 GPM, Natural Gas, Indoor Installation
9.9
Exceptional
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3
Rinnai
Rinnai
Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation
9.8
Exceptional
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4
Rheem
Rheem
Rheem Prestige Condensing Tankless Indoor Natural Gas Water Heater 6.8 GPM - RTGH-68VLN-2
9.7
Exceptional
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5
Rinnai
Rinnai
Rinnai RL75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation
9.6
Exceptional
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6
Rinnai
Rinnai
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
9.5
Excellent
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7
Rheem
Rheem
Rheem Mid-Efficiency 8.4GPM Outdoor Natural Gas Tankless Water Heater
9.4
Excellent
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8
EcoSmart
EcoSmart
Ecosmart ECO 24 24 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating Technology, 17 x 17 x 3.5
9.3
Excellent
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9
Rheem
Rheem
Rheem Prestige Condensing Tankless Outdoor Natural Gas Water Heater 9.5 GPM - RTGH-95XLN-2
9.2
Excellent
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10
Rinnai
Rinnai
Rinnai RU199eN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Outdoor Installation
9.1
Excellent
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About Tankless Gas Hot Water Heater
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Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water Heater
Hot water without the wait - or the waste. Low operating cost - High energy efficiency and water savings setting. Space Savings - Compact, space-saving design. Perfect for a tank replacement.. Water Gas Leak Detection will shut down unit and provide an error code. For use indoor only.
Rinnai RL94IN Tankless Hot Water Heater, 9.8 GPM, Natural Gas, Indoor Installation
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.
Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation
Endless Hot Water Enjoy unlimited hot water flow throughout the house compact, durable, and easy to install professional installation recommended. Energy and Space Efficient Space-saving design conserves energy as it heats only when necessary. Optimal Water Pressure Up to 11 GPM hot water flow rate for a powerful, constant stream. Instant Heating Equipped with Circ-Logic - Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation. Guaranteed to Last 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively. Wifi monitoring..
Rheem Prestige Condensing Tankless Indoor Natural Gas Water Heater 6.8 GPM - RTGH-68VLN-2
Hot water without the wait - or the waste. Low operating cost - High energy efficiency and water savings setting. Space Savings - Compact, space-saving design. Perfect for a tank replacement.. Water Gas Leak Detection will shut down unit and provide an error code. For Indoor use only.
Rinnai RL75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation
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 RE160iN 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 7.5 GPM 5 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.
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.
Rheem Mid-Efficiency 8.4GPM Outdoor Natural Gas Tankless Water Heater
Exclusive Water Savings technology conserving up to 1, 100 gallons per year. 157, 000 BTU gas consumed per hour. Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state. Recirculation pump ready kit ready. For use outdoors with freeze protection up to -30 degrees. Fuel Type Natural Gas.
Ecosmart ECO 24 24 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating Technology, 17 x 17 x 3.5
Lifetime warranty. Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater. Never run out of hot water with an ECOSMART tankless water heater. Patented Self Modulating Technology and design.Activation flow 0.3 GPM. ECOSMART tankless water heaters are 99.8-percent energy efficient. 100 A.
Rheem Prestige Condensing Tankless Outdoor Natural Gas Water Heater 9.5 GPM - RTGH-95XLN-2
Hot water without the wait - or the waste. Low operating cost - High energy efficiency and water savings setting. Space Savings - Compact, space-saving design. Perfect for a tank replacement.. Water Gas Leak Detection will shut down unit and provide an error code. For use outdoors with freeze protection up to -30 degrees.
Rinnai RU199eN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Outdoor Installation
Endless Hot Water Enjoy unlimited hot water flow throughout the house compact, durable, and easy to install professional installation recommended. Energy and Space Efficient Space-saving design conserves energy as it heats only when necessary. Optimal Water Pressure Up to 11 GPM hot water flow rate for a powerful, constant stream. Instant Heating Equipped with Circ-Logic - Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation. Guaranteed to Last 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively. Wifi monitoring..