gas pool heaters for inground pools that will change your swimming experience

Over 70% of pool owners recommend gas pool heaters for quick heating.

That’s why the Hayward W3H250FDN Universal H-Series stands out with its 250,000 BTU capacity, ensuring your pool reaches the perfect temperature in no time.

Few know its compact design allows for easy installation, making it a top choice for homeowners with limited space.

Our review covers long-term value against competitors like Pentair and Raypak, helping you make an informed decision.

gas pool heaters for inground poolsgas pool heaters for inground poolsgas pool heaters for inground pools

gas pool heaters for inground pools

Hayward W3H250FDN 250,000 BTU Pool Heater

#1 CHOICE

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

The adjustable valve sets the Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool and Spa Heater apart from competitors. This feature allows for precise temperature control, ensuring optimal heating for in-ground pools and spas. Constructed with a durable cupro nickel heat exchanger, this heater measures 30.5 x 28.5 x 12.5 inches and is designed to withstand corrosion and premature failure due to unbalanced water chemistry.

Key Advantages

  • The 316-grade stainless steel components resist corrosion, extending the unit’s lifespan.
  • Its industry-leading hydraulic design minimizes circulation pump run time, resulting in significant energy savings.
  • Front-panel-only access and an intuitive control pad facilitate easy operation, service, and maintenance.
  • Low NOx emissions comply with air quality standards, making it an environmentally friendly choice.

Limitations

  • Not compatible with propane systems, limiting its use to natural gas setups.
  • Installation may require professional assistance due to its size and complexity.

Best for outdoor enthusiasts needing efficient and reliable heating solutions for their in-ground pools and spas, the Hayward W3H250FDN combines durability with advanced technology to provide lasting comfort and energy savings.

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Pentair MasterTemp 125 BTU Pool Heater

#2 CHOICE

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

The adjustable valve sets the Pentair EC462025 MasterTemp 125 apart from other gas pool heaters, allowing users to fine-tune the flow for optimal heating performance. This compact heater is constructed from durable 316-grade stainless steel, ensuring long-lasting resistance to corrosion, making it ideal for various environments. With dimensions of 22 x 24 x 30 inches, it fits seamlessly into smaller spaces, catering to pools up to 15,000 gallons.

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Key Advantages

  • The heater boasts an impressive 82% energy efficiency, the highest in its class, which translates to significant cost savings over time.
  • Equipped with pre-mixed combustion technology, it provides an ultra-fast heat-up time, ensuring that your pool is warm and inviting in no time.
  • The 1-1/2 inch plumbing connection is specifically designed for smaller bodies of water, including aboveground pools and spas, enhancing its versatility.
  • The easy-to-use digital display/controller simplifies operation, allowing users to adjust settings effortlessly.

Limitations

  • It is not compatible with larger pools exceeding 15,000 gallons, which may limit its appeal for users with bigger installations.

This heater is best for outdoor enthusiasts needing an efficient and compact solution for heating small pools or spas, ensuring a comfortable swimming experience without excessive energy costs.

To buy this product, click here.

Raypak 206,000 BTU Pool Heater

#3 CHOICE

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

The intermittent spark ignition sets the Raypak 206,000 BTU Digital Electronic Ignition Natural Gas Pool Heater apart from its competitors. This innovative feature ensures that the pilot light activates only when there is a demand for heat, enhancing safety and efficiency. Constructed from space-age materials, this heater resists heat retention, allowing for a compact installation without the need for expensive metal heat sinks. With dimensions of 28 x 21 x 24 inches and a weight of 120 pounds, it fits seamlessly into various outdoor spaces.

Key Advantages

  • 316-grade stainless steel components resist corrosion, ensuring longevity even in harsh weather conditions.

Limitations

  • Not compatible with propane systems, limiting its use to natural gas installations.

Best for outdoor enthusiasts needing an efficient and reliable heating solution for inground pools, the Raypak pool heater delivers exceptional performance while maintaining a small footprint. Its advanced ignition system and durable materials make it a standout choice for those who prioritize both efficiency and convenience in their pool heating solutions.

To buy this product, click here.

Pentair Natural Gas 125K Heater

#4 CHOICE

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

The adjustable valve sets the Pentair EC-462024 Natural Gas 125K Heater apart from its competitors. This heater is designed for efficiency and performance, featuring a robust construction with 316-grade stainless steel that resists corrosion, ensuring longevity in various environments. With dimensions of 24 x 15 x 15 inches, it fits seamlessly into any pool setup.

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Key Advantages

  • The heater boasts an impressive 82% energy efficiency, the highest in its class, significantly reducing operational costs.
  • Its 1-1/2 inch plumbing connection makes it ideal for smaller bodies of water, including aboveground pools, spas, and inground pools up to 15,000 gallons.
  • Equipped with pre-mixed combustion technology, it offers an ultra-fast heat-up time, ensuring your pool is ready for use in no time.
  • The easy-to-use digital display/controller simplifies operation, making it accessible for all users.

Limitations

  • Not compatible with larger pool systems or those requiring high BTU outputs beyond 125K.
  • Installation may require professional assistance, adding to initial costs.

Best for outdoor enthusiasts needing a reliable and efficient heating solution for smaller pools or spas, the Pentair EC-462024 is a standout choice in the market.

To buy this product, click here.

Raypak 105,000 BTU Natural Gas Heater

#5 CHOICE

Raypak 105,000 BTU Swimming Pool and Spa Heater - Natural Gas

The adjustable valve sets the Raypak 105,000 BTU Swimming Pool and Spa Heater apart from its competitors. This feature allows for precise control over gas flow, ensuring optimal heating efficiency. Constructed from 316-grade stainless steel, the heater resists corrosion and enhances durability, making it ideal for long-term outdoor use. The unit measures 27.5″ H x 12″ W x 24″ D, making it compact enough for various installations.

Key Advantages

  • The simple analog thermostat dial provides accurate temperature settings, allowing users to maintain their desired pool or spa temperature effortlessly.
  • Its standard 120v 3-prong power cord can be converted to 220v, offering flexibility in electrical setup.
  • Designed for easy installation, it is suitable for above-ground pools, smaller in-ground pools, and spas.

Limitations

  • Not compatible with larger in-ground pools, which may require a higher BTU output for effective heating.
  • Requires a gas connection of 1/2″ NPT, which may necessitate additional plumbing work for some setups.

Best for outdoor enthusiasts needing a reliable and efficient heating solution for smaller pools and spas, the Raypak heater combines durability with user-friendly features, making it a solid investment for maintaining comfortable water temperatures year-round.

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Faq about gas pool heaters for inground pools:

1: What is a gas pool heater?

A gas pool heater uses natural gas or propane to heat water in inground pools quickly and efficiently.

2: How does a gas pool heater work?

It heats water by passing it through a heat exchanger, where it is warmed by combustion gases from burning gas.

3: What are the benefits of gas pool heaters?

Gas pool heaters heat water rapidly, making them ideal for quick heating and maintaining comfortable temperatures in cooler weather.

4: Are gas pool heaters energy efficient?

While gas pool heaters are efficient for quick heating, they may not be as energy-efficient as electric heat pumps for long-term use.

5: How much does it cost to operate a gas pool heater?

Operating costs depend on gas prices, heater size, and usage frequency, but they can be higher than electric options over time.

6: Can gas pool heaters be used in all climates?

Yes, gas pool heaters work well in various climates, making them suitable for both warm and cooler regions.

7: How long do gas pool heaters last?

With proper maintenance, gas pool heaters typically last 5 to 10 years, depending on usage and environmental conditions.

Conclusion

The Hayward W3H250FDN 250,000 BTU Pool Heater exemplifies efficiency and robust performance, making it an exceptional choice for maintaining optimal swimming conditions in inground pools. Its advanced technology ensures rapid heating, catering to both leisure and competitive swimming needs.

Conversely, the Pentair MasterTemp 125 BTU Pool Heater stands out for its user-friendly design and energy efficiency, appealing to eco-conscious consumers. Its compact size and reliable heating capabilities make it an ideal option for those seeking a balance between performance and sustainability.