10 bestLp Tankless Hot Water Heaterof November 2025
112M consumers helped this year.
1
RINNAI Ru Series Sensei Se+ Tankless Hot Water Heater: Indoor Installation
Rinnai
9.8
2
FOGATTI RV Tankless Water Heater, InstaShower 8 Plus, Gen 2, with 15 x 15 inches White Door and Remote Controller, DC 12V, Best High Altitude Performance, Ideal for RVers' Everyday Use
FOGATTI
9.6
18% off
3
Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, Small Grey
Rheem
9.3
20% off
4
Ranein Electric Tankless Water Heater, 18kW 240V on Demand Instant Endless Water Heater with LED Temperature Display for Residential Whole House Shower, Space Saving
Ranein
9.0
5
CAMPLUX Tankless Water Heater, 16L On Demand Propane Water Heater, Instant Hot Water Heater, Indoor, Gray
CAMPLUX ENJOY OUTDOOR LIFE
8.8
OtherUp to 5% off
FOGATTI Propane Gas Tankless Water Heater, Indoor 13L, 4.0 GPM, 90,000 BTU Instant Hot Water Heater, InstaGas Classic 90 Series
Girard 2GWHAM On-Demand Tankless Water Heater
Tankless Water Heater Electric 14kW 240 Volt, thermomate On Demand Instant Endless Hot Water Heater, Digital Temperature Display Easy Installation, for Residential Sink & Shower, 58A Gray
Ranein Propane Gas Tankless Water Heater with Vent Pipe, Indoor Max 4.3 GPM, 100,000 BTU Instant Hot Water Heater
20% off
6
Propane Gas Tankless Water Heater with Vent Pipe, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater
Ranein
8.5
7
Thermomate Mini Tank Electric Water Heater ES400 4 Gallons Point of Use Water Heater for Instant Hot Water Under Kitchen Sink 120V 1440W
thermomate
8.2
8
Stiebel Eltron Tankless Water Heater – Tempra 29 Plus – Electric, On Demand Hot Water, Eco, White - 23, Gloss White
Stiebel Eltron
7.9
9
thermomate Electric Tankless Water Heater, 11kW at 240 Volt, On Demand Instant Hot Water Heater, Self Modulating Energy Saving, Save Space, 2.15GPM at 35°F Rise, Side Connections
thermomate
7.7
10% off
10
Tankless Water Heater Propane, 4.21GPM 16L Indoor,Instant Hot Propane Gas Water Heater,Constant Propane Water Heater with Fahrenheit Digital Display,Multi-Protection (Black)
DWALE
7.4
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