Best LP Tankless Water Heaters Updated May 2025
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Best LP Tankless Water Heaters
2025 Buyer's GuideUpdated May 2025
Advertiser disclosure About our rankings
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Best LP Tankless Water Heater

9.9

1

9.9

Ranein Electric Tankless Water Heater, 18kW 240V on Demand Instant Endless Water Heater with LED Temperature Display for Reside...
Water heat
Functionality
Ease of installation
Quality
Space saving
Value for money
Save 11%
Save 11%
Best LP Tankless Water Heater

9.9

1
Ranein Electric Tankless Water Heater, 18kW 240V on Demand Instant Endless Water Heater with LED Temperature Display for Reside...
Water heat
Functionality
Ease of installation
Quality
Space saving
Value for money
Save 11%

9.7

2

9.7

Rinnai V53DeP Propane Tankless Water Heater, 5.3 GPM, Outdoor Installation
Functionality
Ease of installation
Heat efficiency
Value for money
Space saving

9.7

2
Rinnai V53DeP Propane Tankless Water Heater, 5.3 GPM, Outdoor Installation
Functionality
Ease of installation
Heat efficiency
Value for money
Space saving

9.5

3

9.5

GASLAND BE158 Propane Tankless Water Heater 6L, Outdoor Portable Hot Water Heater, Overheating Protection, Easy to Install, Use...
Functionality
Ease of installation
Outdoor shower
Temperature control

9.5

3
GASLAND BE158 Propane Tankless Water Heater 6L, Outdoor Portable Hot Water Heater, Overheating Protection, Easy to Install, Use...
Functionality
Ease of installation
Outdoor shower
Temperature control
Popular

9.4

4

9.4

Ranein Propane Gas Tankless Water Heater with Vent Pipe, Indoor Max 4.3 GPM, 100,000 BTU Instant Hot Water Heater
Works great
Water temperature
Ease of installation
Value for money
Space saving
Energy efficiency
Popular

9.4

4
Ranein Propane Gas Tankless Water Heater with Vent Pipe, Indoor Max 4.3 GPM, 100,000 BTU Instant Hot Water Heater
Works great
Water temperature
Ease of installation
Value for money
Space saving
Energy efficiency
Premium Pick

9.2

5

9.2

NEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 1...
Ease of installation
Heat capacity
Water temperature
Design
Works great
Energy efficiency
Premium Pick

9.2

5
NEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 1...
Ease of installation
Heat capacity
Water temperature
Design
Works great
Energy efficiency

9.1

6

9.1

CAMPLUX Tankless Water Heater Outdoor, 1.32 GPM Portable Propane Camping Water Heater, 5L, AY132, White
Works great
Water temperature
Ease of setup
Value for money
Shower size
Read Full Review

9.1

6
CAMPLUX Tankless Water Heater Outdoor, 1.32 GPM Portable Propane Camping Water Heater, 5L, AY132, White
Works great
Water temperature
Ease of setup
Value for money
Shower size
Read Full Review

9.0

7

9.0

forimo Tankless Water Heater Propane, 4.74GPM 18L Indoor,Instant Hot Propane Gas Water Heater,Constant Propane Water Heater wit...
Value for money
Ease of installation
Build quality

9.0

7
forimo Tankless Water Heater Propane, 4.74GPM 18L Indoor,Instant Hot Propane Gas Water Heater,Constant Propane Water Heater wit...
Value for money
Ease of installation
Build quality
Best Value

8.8

8

8.8

Tankless Water Heater 4.21GPM 16L Outdoor Portable GasHot Water Heater Instant Propane Water Heater with Digital Display Multi-...
Water temperature
Outdoor shower
Save 15%
Save 15%
Best Value

8.8

8
Tankless Water Heater 4.21GPM 16L Outdoor Portable GasHot Water Heater Instant Propane Water Heater with Digital Display Multi-...
Water temperature
Outdoor shower
Save 15%

8.6

9

8.6

Eccotemp i12-LP Water Heater, 4 GPM, Black
Works well
Ease of installation
Looks
Value for money
Size
Energy efficiency

8.6

9
Eccotemp i12-LP Water Heater, 4 GPM, Black
Works well
Ease of installation
Looks
Value for money
Size
Energy efficiency

8.5

10

8.5

Propane Gas Tankless Water Heater MIZUDO Up to 5.1 GPM, 120,000 BTU, Outdoor Installation Only, Instant Hot Water Heater, CSA C...
Functionality
Ease of installation
Value for money
Water capacity

8.5

10
Propane Gas Tankless Water Heater MIZUDO Up to 5.1 GPM, 120,000 BTU, Outdoor Installation Only, Instant Hot Water Heater, CSA C...
Functionality
Ease of installation
Value for money
Water capacity

Our Top Choice

Best LP Tankless Water Heater

9.9

1

9.9

Ranein Electric Tankless Water Heater, 18kW 240V on Demand Instant Endless Water Heater with LED Temperature Display for Reside...
Water heat
Functionality
Ease of installation
Quality
Space saving
Value for money
Save 11%
Save 11%
Best LP Tankless Water Heater

9.9

1
Ranein Electric Tankless Water Heater, 18kW 240V on Demand Instant Endless Water Heater with LED Temperature Display for Reside...
Water heat
Functionality
Ease of installation
Quality
Space saving
Value for money
Save 11%
Related Categories
Tankless Water Heater (All)Tankless Hot Water HeaterOutdoor Tankless Hot Water HeaterOutdoor Tankless Water HeaterGas Water HeaterLP On Demand Water Heater
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Related Categories
Tankless Water Heater (All)Tankless Hot Water HeaterOutdoor Tankless Hot Water HeaterOutdoor Tankless Water HeaterGas Water HeaterLP On Demand Water Heater
Related Categories
Tankless Water Heater (All)Tankless Hot Water HeaterOutdoor Tankless Hot Water HeaterOutdoor Tankless Water HeaterGas Water HeaterLP On Demand Water Heater