April 4, 2026

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10 Best gas pool heaters of 2026

Explore top picks

Best Choice

1

Clicked 21 times in the last month

Hayward
Hayward W3H400FDN Universal H-Series 400,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas
Main highlights

Premium Performance and Energy Savings
The Hayward Universal H-Series 400,000 BTU Natural Gas Heater offers fast, reliable heating, exceptional corrosion protection, and energy-efficient design for long-lasting comfort.

Ideal for In-ground Pools and Spas
Best suited for in-ground pools and spas up to 1,200 sq ft, especially where natural gas and low-NOx emissions are required.

Ease of Installation and Use
Customers frequently praise the heater's easy installation process and intuitive front control panel for simple operation and maintenance.
Key specs
- Max Pool Size:1,200 ft.
- Thermostat:Intuitive control panel
- Dimensions:39.6 x 32.8 x 30.6 inches
- Heating Power:400,000 BTU
- Safety Features:Corrosion protection
9.7

Exceptional

Our Rating

9.5
Simple to use

9.5
Thermal power

9.3
Efficient Energy Use
How do we rank?

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Careful review Our team ensures quality, value, and fit based on real user feedback

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Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

Hayward
Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas
Main highlights

Premium Performance and Reliability
The Hayward Universal H-Series 250,000 BTU Natural Gas Heater delivers fast and efficient heating with exceptional corrosion protection and energy savings.

Ideal for In-Ground Pools and Spas
Best suited for in-ground pools and spas up to 750 sq. ft. in areas requiring low-NOx emissions and where natural gas is available.

Ease of Installation and Use
Customers frequently praise the heater's easy installation process and intuitive front control panel for straightforward operation and maintenance.
9.5

Excellent

Our Rating

9.7
Temperature control

9.5
Simple to use

9.3
Efficient Energy Use
3

Pentair

Pentair EC-462024 -Natural Gas 125K Heater - Limited Warranty
9.4

Excellent

Our Rating

8.2
Easy installation

8.0
worth the money

8.0
Tech Support
4

Hayward
Hayward W3H150FDN Universal H-Series 150,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas
Main highlights

Premium Heating Performance
The Hayward Universal H-Series 150,000 BTU Natural Gas Heater offers fast, reliable heating for in-ground pools and spas.

Ideal for Low-Emission Areas
Perfect for in-ground pools up to 400 sq ft, especially where low-NOx emissions are required.

User-Friendly Operation
Customers appreciate the intuitive front control panel for easy operation and maintenance.
Key specs
- Max Pool Size:400 sq ft
- Thermostat:Intuitive front control panel
- Dimensions:33.3 x 32.8 x 30.6 inches
- Heating Power:150,000 BTU
- Safety Features:Low-NOx emissions
9.2

Excellent

Our Rating

9.5
Simple to use

9.3
Efficient Energy Use

8.2
Easy installation
5

Raypak

Raypak 014779 PR106AENC 105000 BTU Natural Gas Pool Heater
8.9

Very Good

Our Rating

9.5
worth the money

9.3
Temperature control

9.1
Easy installation
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6

Raypak
Raypak 206,000 BTU Digital Electronic Ignition Natural Gas Pool Heater
Main highlights

Built for All Weather Conditions
Built to withstand various weather conditions, perfect solution for environments requiring efficiency, convenience, and versatility. High efficiency, small footprint.

Ideal for Quick and Efficient Pool Heating
Intermittent spark ignition pilot safety controls. Pilot only comes on when there is a call for heat. Heats pool quickly and efficiently.

Highly Praised for Energy Efficiency
Runs 50% more efficiently than older models, saving time and energy. Easy to install and maintain, with readily available parts.
8.8

Very Good

Our Rating

9.9
Easy installation

9.9
worth the money

9.7
Efficient Energy Use
7

Pentair
Pentair EC462025 MasterTemp 125 125,000 BTU Compact Energy Efficient Swimming Pool and Spa Propane Gas Heater for Small Pools Up to 15,000 Gallons
Main highlights

Compact and Efficient Design
The Pentair EC-462025 heater offers a compact build with 82% efficiency, ideal for smaller pools up to 15,000 gallons.

Ideal for Cooler Climates
Perfect for extending swimming seasons in cooler areas, providing warm water even when outdoor temperatures drop.

Praised for Temperature Maintenance
Customers love its ability to maintain comfortable pool temperatures, enhancing swimming enjoyment in colder weather.
Key specs
- Max Pool Size:Up to 15,000 gallons
- Thermostat:Rotating digital display
- Dimensions:31.5 x 21 x 23 inches
- Heating Power:125,000 BTUs
- Safety Features:Auto shut-off, Low NOx
8.7

Very Good

Our Rating

9.3
Temperature control

8.7
Simple to use

8.2
safety
8

Hayward
Hayward W3H150FDP Universal H-Series 150,000 BTU Propane Pool and Spa Heater for In-Ground Pools and Spas
Main highlights

Premium Performance and Corrosion Protection
The Hayward Universal H-Series 150,000 BTU Propane Heater offers premium heating performance and exceptional protection against corrosion and unbalanced water chemistry.

Ideal for In-ground Pools and Spas
Best for in-ground pools and spas up to 400 ft² where natural gas is available and low-NOx emissions are required.

Easy Installation and Operation
Customers frequently praise the easy installation process and intuitive front control panel for straightforward operation and maintenance.
8.6

Very Good

Our Rating

9.3
Simple to use

8.7
Temperature control

8.0
Easy installation
9

Raypak

Raypak 266,000 BTU Digital Electronic Ignition Natural Gas Pool Heater
8.5

Good

Our Rating

8.4
Easy installation

8.4
Tech Support

8.2
Efficient Energy Use
10

Raypak

Raypak 105,000 BTU Swimming Pool and Spa Heater - Propane
8.3

Good

Our Rating

8.4
Easy installation

8.0
Efficient Energy Use

8.0
Tech Support

10 Best gas pool heaters of 2026

1

Hayward W3H400FDN Universal H-Series 400,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas

9.5

9.5

9.3

How do we rank?

How do we rank?

Analyzing top stores

2

Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas

9.7

9.5

9.3

3

Pentair EC-462024 -Natural Gas 125K Heater - Limited Warranty

8.2

8.0

8.0

4

Hayward W3H150FDN Universal H-Series 150,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas

9.5

9.3

8.2

5

Raypak 014779 PR106AENC 105000 BTU Natural Gas Pool Heater

9.5

9.3

9.1

6

Raypak 206,000 BTU Digital Electronic Ignition Natural Gas Pool Heater

9.9

9.9

9.7

7

Pentair EC462025 MasterTemp 125 125,000 BTU Compact Energy Efficient Swimming Pool and Spa Propane Gas Heater for Small Pools Up to 15,000 Gallons

9.3

8.7

8.2

8

Hayward W3H150FDP Universal H-Series 150,000 BTU Propane Pool and Spa Heater for In-Ground Pools and Spas

9.3

8.7

8.0

9

Raypak 266,000 BTU Digital Electronic Ignition Natural Gas Pool Heater

8.4

8.4

8.2

10

Raypak 105,000 BTU Swimming Pool and Spa Heater - Propane

8.4

8.0

8.0

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