Top 10 Best Whole Home Tankless Water Heater

of November 2024
1
Best ChoiceBest Choice
Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
EcoSmart
EcoSmart
10
Exceptional
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2
Best ValueBest Value
Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas,
Rinnai
Rinnai
9.9
Exceptional
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3
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
Rheem
Rheem
9.8
Exceptional
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4
Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water Heater
Rheem
Rheem
9.7
Exceptional
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5
Rinnai RL75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor
Rinnai
Rinnai
9.6
Exceptional
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6
Stiebel Eltron 239223 Tankless Water Heater  Tempra 29 Plus  Electric, On
Stiebel Eltron
Stiebel Eltron
9.5
Excellent
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7
Rinnai RU180eN Condensing Tankless Hot Water Heater, 10 GPM, Natural Gas,
Rinnai
Rinnai
9.4
Excellent
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8
Tankless Water Heater, Camplux 6.86 GPM On Demand Water Heater, Whole Home
CAMPLUX ENJOY OUTDOOR LIFE
CAMPLUX ENJOY OUTDOOR LIFE
9.3
Excellent
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9
Rinnai V75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor
Rinnai
Rinnai
9.2
Excellent
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10
Rheem 240V 3 Heating Chambers RTEX-27 Residential Tankless Water Heater, Gray
Rheem
Rheem
9.1
Excellent
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About Whole Home Tankless Water Heater

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Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater

Sleek and compact design with digital output temperature display. ECOSMART tankless water heaters are 99.8-percent energy efficient. Manufactured in United States. Pipe Fittings34 inch NPT. Required Breaker4 x 40 A. 150 A.

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 RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

ONOFF Dial Control with adjustable digital temperature display. Self-modulating power control. 24kW Model Flow Rate up to 5.9 GPM for RTEX-24. Bottom 34 NPT water connections. On demand, consistent and continuous hot water.

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 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.

Stiebel Eltron 239223 Tankless Water Heater Tempra 29 Plus Electric, On Demand Hot Water, Eco, White, 23

On demand a continuous and unlimited supply of hot water. Sleek design saves space and no venting required, It also features two different temperature memory presets, making it easy to adjust for personalized needs.. Requires hard-wired 240 or 208-volt electric service, with a maximum draw of 28,800 watts at 240 volts or 21,600 watts at 208 volts. Requires 3 separate dedicated 40 amp breakers with 8 gauge copper wiring, and a minimum of 200 amp total service to the residence.

Rinnai RU180eN Condensing Tankless Hot Water Heater, 10 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 10 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.

Tankless Water Heater, Camplux 6.86 GPM On Demand Water Heater, Whole Home Tankless Lpg Water Heater, Indoor, White

6.86 GPM On Demand Water Heater.Camplux 26 litre tankless water heater is powered by 120 VAC voltage, features imported PCB with precise temperature control, never blow hot and cold in turn, making it perfect for on-demand hot shower at home. The water heater produce a quick endless hot shower for whole house.. Convenient, Easy Installation. 6.86 GPM hot water is activated by water flow rather than water pressure,automatically activates on water pressure between 7.0-150 PSI. Minimum activation rate 0.65 GPM Maximum input rating 180,000 BTUsWater connection locationsize Bottom 34 inch NPT .. Direct-Current Frequency Conversion Fan.The gas water heater comes with a direct-current frequency conversion fan. The instant water heater can resist level 8 strong wind resistance and you no need to worry about the water pressure in high floors.. SS Burner, Thermal Efficiency Up to 89.98. The tankless gas water heater comes with CSA certified balanced combustion design, v-type stainless steel burner,high heating efficiency up to 89.98 PCB frequency conversion and temperature intelligent control, environmental protection and durability. Man-machine dialogue, heating without waiting. This residential constant model saves time, money and energy while producing safe, endless hot water for whole home.. Considerate Anti-Scalding Protection.The tankless propane water heater equipped with anti-scalding function to avoid the problem of excessively high setting temperature causing burns caused by children's wrong operation.Therefore, it is impossible to set a temperature exceeding 122 under normal working conditions. The water valve needs to be closed to make the water heater in standby status before you set the temperature above 122 . ..

Rinnai V75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation

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 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 7.5 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.

Rheem 240V 3 Heating Chambers RTEX-27 Residential Tankless Water Heater, Gray

External digital thermostatic control with LED display 1 degree accuracy. Most advanced self-modulation, adjust power to meet hot water demand. Durable Copper immersion three heating elements, field Serviceable. Simple installation bottom 34 inch NPT water connections. Threaded for easy replacement, simple installation, digital temperature display.
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