10 bestOutdoor Tankless Water Heatersof January 2026
112M consumers helped this year.
1
RINNAI RXP199iN Condensing Tankless Water Heater RXP199 Features 0.96 UEF with 199k BTU and Pump.
Rinnai
9.8
27% off
2
RINNAI RX160iN Condensing Tankless Water Heater RX160 Features 0.95 UEF with 160k BTU.
Rinnai
9.6
3
Rinnai V53DeN Natural Gas Tankless Hot Water Heater, 5.3 GPM, Outdoor Installation
Rinnai
9.3
4
Rheem Mid-Efficiency 8.4 GPM Outdoor Liquid Propane Tankless Water Heater
Rheem
9.0
5
Takagi T-H3M-OS-N Condensing Outdoor Tankless Water Heater, Natural Gas
TAKAGI
8.8
OtherUp to 12% off
CAMPLUX 10L Propane Portable Tankless Water Heater Outdoor, Instant Hot Camping Showers with 3.3 GPM Water Pump & Pipe Strainer
CAMPLUX Pro 6L 1.58 GPM Outdoor Portable Propane Tankless Water Heater with 1.2 GPM Water Pump
Propane Tankless Water Heater, GASLAND Outdoors BS158 1.58GPM 6L Portable Gas Water Heater, Instant Propane Water Heater, RV Camping Water Heater, Overheating Protection, Easy to Install
Camplux Tankless Water Heater Propane 5L, Outdoor Gas Water Heaters for RV, Campings, Cabins, Barns, Black AY132B
6
Rheem RTG-70XLP-1 Tankless Water Heater, Grey, Grey
Rheem
8.5
7
CAMPLUX Propane Water Heater 16L, Tankless Water Heater Propane, Outdoor Water Heater Gas, Camping Water Heater for Off Grid, Cabins
CAMPLUX ENJOY OUTDOOR LIFE
8.2
8
Eccotemp L10 Portable Water Heater w/ EccoFlo Diaphragm 12V Pump and Strainer
Eccotemp
7.9
9
Tankless Water Heater Propane, GASLAND Outdoors 10L 2.64GPM Gas Water Heater, Instant Hot Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat(Black)
GASLAND
7.6
10
Camplux 5L Portable Propane Gas Tankless Water Heater, 1.32 GPM Tankless Water Heater with 1.2 GPM Water Pump, Black
CAMPLUX ENJOY OUTDOOR LIFE
7.3
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