10 bestLp Tankless Water Heaterof December 2025
112M consumers helped this year.
1
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
9.9
2
T-H3-DV-P Indoor Tankless High Efficiency Condensing Water Heater (LP)
9.8
18% off
3
Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, Small Grey
Rheem
9.7
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
9.5
20% off
5
Propane Gas Tankless Water Heater with Vent Pipe, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater
Ranein
9.3
Other
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
thermomate Tankless Water Heater Electric, 8kW at 240 Volt, On Demand Instant Hot Water Heater, Self Modulating Energy Saving, Save Space, 1.56GPM at 35°F Rise
Ranein Propane Gas Tankless Water Heater with Vent Pipe, Indoor Max 4.3 GPM, 100,000 BTU Instant Hot Water Heater
Onsen 26L Propane Residential Tankless Water Heater + 3" Vent Kit - 6.9 GPM, 180K BTU Indoor Heater with Direct Vent System - Freeze Protection, Electronic Ignition - CSA-Approved for USA & Canada
6
Stiebel Eltron Tankless Water Heater – Tempra 29 Plus – Electric, On Demand Hot Water, Eco, White - 23, Gloss White
Stiebel Eltron
9.1
10% off
7
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
8.9
8
Tankless Water Heater Propane, Camplux 3.18 GPM Instant Hot Water Heater with Fahrenheit Digital Display, Residential Propane Gas Water Heater for 2-3 Persons Bathroom Indoor Use, White
CAMPLUX ENJOY OUTDOOR LIFE
8.6
5% off
9
FOGATTI Propane Gas Tankless Water Heater, Indoor 13L, 4.0 GPM, 90,000 BTU Instant Hot Water Heater, InstaGas Classic 90 Series
FOGATTI
8.4
5% off
10
Girard 2GWHAM On-Demand Tankless Water Heater
GIRARD
8.2
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