Best Swimming Pool Heaters 2023; The Ultimate Guide

Best Swimming Pool Heaters 2023; The Ultimate Guide
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Choosing the right swimming pool heater is essential to ensure your pool stays at a comfortable temperature throughout the swimming season. Here are the steps to help you choose the best swimming pool heater for your needs:

Determine Your Pool Size:

  • Measure the length, width, and depth of your pool. Knowing the pool’s volume in gallons or cubic feet will help you select an appropriately sized heater.

Understand the Types of Heaters:

  • Familiarize yourself with the different types of pool heaters available, including gas heaters, electric resistance heaters, heat pumps, solar heaters, and hybrid heaters.

Assess Energy Efficiency:

  • Energy efficiency is crucial to control operating costs. Check the heater’s energy efficiency rating (e.g., COP for heat pumps or thermal efficiency for gas heaters). Look for heaters with high ratings to reduce long-term costs.

Consider Your Budget:

  • Determine how much you’re willing to invest in a pool heater. Keep in mind that while some types of heaters have lower upfront costs, others may have higher initial expenses but lower operating costs over time.

Evaluate Climate and Weather:

  • Your local climate can impact your choice of heater. If you live in a colder region, a more powerful heater may be necessary to maintain a comfortable temperature.

Explore Heating Speed:

  • Some heaters, like gas heaters, can rapidly increase water temperature, while others, such as heat pumps and solar heaters, may take longer to heat the pool. Consider your preferences for heating speed.

Analyze Installation and Maintenance:

  • Consider the installation requirements of the heater you’re considering. Some heaters may need professional installation, while others can be DIY projects. Also, think about the maintenance demands, as some heaters require more care than others.

Installation and Operating Costs:

  • Factor in the installation costs, including any necessary electrical or plumbing work. Additionally, calculate the estimated operating costs based on your energy rates and the heater’s efficiency.


  • Think about the long-term benefits and potential savings of an energy-efficient heater, even if it comes with a higher upfront cost.

There are several types of swimming pool heaters available, each with its advantages and considerations. Here are the most common types:

1. Gas Swimming Pool Heaters:

  • Fuel: Gas pool heaters typically use natural gas or propane as their energy source.
  • Efficiency: Gas heaters are known for their rapid heating capability, making them ideal for quickly raising the pool temperature.
  • Cost: While they have lower upfront costs compared to some alternatives, operating costs can be relatively high, especially if gas prices are high in your area.
  • Suitability: Gas heaters are suitable for pools of all sizes and can heat the water efficiently, regardless of outdoor temperature.

2. Electric Resistance Swimming Pool Heaters:

  • Operation: These heaters use electricity to heat water, passing it through a heating element.
  • Efficiency: Electric resistance heaters are relatively easy to install and have lower upfront costs. However, they are less energy-efficient than some other options, which can lead to higher operating costs.
  • Cost: They are a cost-effective option for smaller pools and spas or for occasional use.

3. Heat Pumps Swimming Pool Heaters:

  • Operation: Heat pumps work by extracting heat from the air and transferring it to the pool water.
  • Efficiency: They are highly energy-efficient and can operate at lower costs compared to gas heaters. However, they may have slower heating times, making them better suited for maintaining consistent temperatures rather than quick heating.
  • Cost: While heat pumps have higher upfront costs, their energy efficiency can lead to long-term savings.

4. Solar Swimming Pool Heaters:

  • Operation: Solar pool heaters use energy from the sun to heat the pool water. They typically consist of solar panels or collectors installed on the roof or in a sunny area near the pool.
  • Efficiency: Solar heaters are energy-efficient and have minimal operating costs once installed. However, their effectiveness can be influenced by local climate and weather conditions.
  • Cost: Solar heaters have moderate upfront costs but can provide significant savings over time due to their reliance on free solar energy.

5. Hybrid Swimming Pool Heaters:

  • Operation: Hybrid heaters combine two heating methods, typically a heat pump and a gas or electric heating element, to provide efficient and fast heating.
  • Efficiency: They offer the advantages of both heating methods, with the heat pump providing energy efficiency and the gas or electric element providing quick heating when needed.
  • Cost: Hybrid heaters tend to have higher upfront costs but can provide a good balance between efficiency and speed.

The choice of a swimming pool heater depends on various factors, including your budget, the size of your pool, local climate, and your heating preferences. Consider your specific needs and priorities to determine the best type of pool heater for your situation. Additionally, it’s essential to consult with a professional to ensure the heater is correctly sized and installed for optimal performance.

Derek Anderson

Hi, I am Derek and I am from Newark, New Jersey. I am the proud owner of 15 x 30 in ground swimming pool at my home backyard. Recently I have purchased 6.6 x 7.9 foot Hot Tub for my family members. I love sharing and helping other swimming pool owners in taking good care of their pool. With the right knowledge at your disposal, you can easily clean and maintain your below ground as well as above ground swimming pools.

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