10 bestTankless Gas Water Heatersof April 2025
112M consumers helped this year.
1
Ranein Propane Gas Tankless Water Heater with Vent Pipe, Indoor Max 4.3 GPM, 100,000 BTU Instant Hot Water Heater
Ranein
9.8
26% off
2
RINNAI RX160iN Condensing Tankless Water Heater RX160 Features 0.95 UEF with 160k BTU.
Rinnai
9.6
16% off
3
Rinnai RUCS65IP Ultra Series Tankless Water Heater, White
Rinnai
9.4
4
Mizudo Propane Gas Tankless Water Heater 3.6 GPM, 12L Indoor Installation Instant Hot Water Heater
MIZUDO
9.1
5
RINNAI RXP199iN Condensing Tankless Water Heater RXP199 Features 0.96 UEF with 199k BTU and Pump.
Rinnai
8.9
Other
Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater, 10-Gallon Per Minute
Rheem RTG-70XLP-1 Tankless Water Heater, Grey, Grey
Takagi T-H3M-DV-N Condensing Direct Vent Tankless Water Heater, Natural Gas
Takagi T-H3M-OS-N Condensing Outdoor Tankless Water Heater, Natural Gas
15% off
6
RINNAI Ru Series Sensei Se+ Tankless Hot Water Heater: Indoor Installation
Rinnai
8.6
7
Rinnai V53DeN Natural Gas Tankless Hot Water Heater, 5.3 GPM, Outdoor Installation
Rinnai
8.4
8
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
Rinnai
8.1
9
Rinnai RL75iN Natural Gas Tankless Water Heater, 7.5-Gallons Per Minute
Rinnai
7.8
10
Rinnai RE140iP Non-Condensing Propane Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU
Rinnai
7.5
Related Reviews You Might Like
Best Reviews Guide Newsletter
Get exclusive articles, recommendations, shopping tips, and sales alerts
Sign up for our newsletter to receive weekly recommendations about seasonal and trendy products
Thank you for subscribing!
By submitting your email address you agree to our Terms and Conditions and Privacy Policy