Best Natural Gas Pool Heaters in 2025
Updated on August 2025
#1
Recommended
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- Built with a durable, rust-resistant exterior
- Utilizes premix combustion technology for quick and efficient heating
- Includes safety features for reliable system protection
- Features rotatable and user-friendly operation controls
- Approved for both indoor and outdoor installation
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- Built with a durable, rust-resistant exterior
- Utilizes premix combustion technology for quick and efficient heating
- Includes safety features for reliable system protection
- Features rotatable and user-friendly operation controls
- Approved for both indoor and outdoor installation
#2
Value for Money
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- Part Number: 014941
- Model Number: P-R406A-EN-X
- Cupro-nickel construction for durability in gas pool and spa heating
- Pagoda design offers protection against severe weather
- Microprocessor-controlled thermostat for precise temperature regulation
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- Part Number: 014941
- Model Number: P-R406A-EN-X
- Cupro-nickel construction for durability in gas pool and spa heating
- Pagoda design offers protection against severe weather
- Microprocessor-controlled thermostat for precise temperature regulation
#3
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- Premium heating performance for reliable, long-lasting comfort
- Durable cupro nickel heat exchanger resists corrosion and failure from unbalanced water chemistry
- Efficient hydraulic design minimizes circulation pump run time for energy savings
- User-friendly design with front-panel access for easy operation and maintenance
- Low NOx emissions comply with air quality standards for reduced environmental impact
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- Premium heating performance for reliable, long-lasting comfort
- Durable cupro nickel heat exchanger resists corrosion and failure from unbalanced water chemistry
- Efficient hydraulic design minimizes circulation pump run time for energy savings
- User-friendly design with front-panel access for easy operation and maintenance
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#4
12% Off
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- High-performance heater offering premium features at an affordable price
- Class-leading 82% energy efficiency
- 1-1/2 inch plumbing connection suitable for smaller bodies of water, including aboveground pools, spas, and inground pools up to 15,000 gallons
- Utilizes pre-mixed combustion technology for rapid heating
- User-friendly digital display and controller
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- High-performance heater offering premium features at an affordable price
- Class-leading 82% energy efficiency
- 1-1/2 inch plumbing connection suitable for smaller bodies of water, including aboveground pools, spas, and inground pools up to 15,000 gallons
- Utilizes pre-mixed combustion technology for rapid heating
- User-friendly digital display and controller
#5
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- Polymer headers eliminate rust stains on pool or spa surfaces.
- Constructed from a single piece of extruded copper for durability.
- Ensures consistent heating performance in various weather conditions.
- No fans are needed to address drafting issues.
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- Polymer headers eliminate rust stains on pool or spa surfaces.
- Constructed from a single piece of extruded copper for durability.
- Ensures consistent heating performance in various weather conditions.
- No fans are needed to address drafting issues.
#6
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- 400,000 BTU natural gas heater for effective pool and spa heating
- Compact design for easy installation in limited spaces
- Pre-wired digital controls for precise temperature adjustments
- Rotating digital display for convenient monitoring and ease of use
- Durable, corrosion-resistant housing for extended outdoor use
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- 400,000 BTU natural gas heater for effective pool and spa heating
- Compact design for easy installation in limited spaces
- Pre-wired digital controls for precise temperature adjustments
- Rotating digital display for convenient monitoring and ease of use
- Durable, corrosion-resistant housing for extended outdoor use
#7
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- Durable cupro-nickel heat exchanger
- Efficient hydraulic performance with rapid heat transfer
- User-friendly electronic control panel
- Optimized cupro-nickel heat exchanger for effective water flow management
- Reduced NOx emissions compliant with air quality regulations
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- Durable cupro-nickel heat exchanger
- Efficient hydraulic performance with rapid heat transfer
- User-friendly electronic control panel
- Optimized cupro-nickel heat exchanger for effective water flow management
- Reduced NOx emissions compliant with air quality regulations
#8
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- Part Number: 014938
- Model Number: P-R206A-EN-X
- Constructed with cupro-nickel for durability in gas pool and spa heating
- Designed in a pagoda style for reliable operation in harsh weather
- Features a microprocessor-controlled thermostat for precise temperature regulation
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- Part Number: 014938
- Model Number: P-R206A-EN-X
- Constructed with cupro-nickel for durability in gas pool and spa heating
- Designed in a pagoda style for reliable operation in harsh weather
- Features a microprocessor-controlled thermostat for precise temperature regulation
#9
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- LCD digital display ensures precise temperature readings
- Tracks operational status and offers service diagnostics
- Designed to resist high winds
- Features corrosion-resistant headers for durability
- Unitherm governor effectively prevents condensation
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- LCD digital display ensures precise temperature readings
- Tracks operational status and offers service diagnostics
- Designed to resist high winds
- Features corrosion-resistant headers for durability
- Unitherm governor effectively prevents condensation
#10
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- Part Number: 014784, Model Number: P-R156A-EN-C
- Extends swim season by allowing earlier openings and later closings of pools
- Ideal for above-ground pools and spas
- Compatible with 2" water connections
- Designed specifically for above-ground pools and spas
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- Part Number: 014784, Model Number: P-R156A-EN-C
- Extends swim season by allowing earlier openings and later closings of pools
- Ideal for above-ground pools and spas
- Compatible with 2" water connections
- Designed specifically for above-ground pools and spas
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