Best Electric Pool Heaters in 2024

A pool heater can make your pool more enjoyable and extend your swimming season. But how do you choose the right pool heater for your needs? Electric pool heaters are a smart option for many pool owners, as they have many benefits over other heating systems. In this article, we will tell you how electric pool heaters function, what criteria to use when selecting one, and some of the best electric pool heaters on the market.

EcoSmart SMART POOL 27 Electric Tankless Pool Heater

Revolutionize your pool heating experience with the EcoSmart SMART POOL 27 Electric Tankless Pool Heater. Compact and effortless to install, it offers precise temperature control down to the degree. Say goodbye to traditional pressure switches; this heater employs advanced flow sensor technology, minimizing the risk of element burnout for enhanced durability. With a robust wattage of 27000.0, it’s compatible with the EcoSmart Remote Control, providing seamless operation. Activate at a flow rate of 12 +/- 2 gallons per minute, offering versatility as a primary or booster heater to your existing setup.

Experience unparalleled comfort and efficiency as you effortlessly adjust your pool’s temperature. The SMART POOL series combines innovation and reliability, ensuring consistent performance for years to come. With digital thermostat control, you can achieve your desired temperature effortlessly. Whether as a standalone heating solution or complementing a heat pump, this heater promises to elevate your pool enjoyment, delivering warmth precisely when you need it.

Pros:

• Compact and easy installation for new or existing pools
• Digital temperature control in 1-degree increments
• Flow Activation technology for precision (12 +/- 2 GPM)
• Compatible with EcoSmart Remote Control
• Versatile use as an alternative or booster to a heat pump
• Powerful 27000.0-watt capacity for efficient heating
• Modern black finish for a sophisticated look
• Corded electric power source with 240 volts

Cons:

• Requires a dedicated power source
• Initial investment costs
• May not be suitable for extremely large pools
• Professional installation is recommended for optimal performance

Hayward CSPAXI11 11 Kilowatt Electric Spa Heater

Elevate your spa experience with the Hayward CSPAXI11 11-Kilowatt Electric Spa Heater. Crafted with a radiant burner type and 304 stainless steel tank, it delivers 532 British Thermal Units of soothing heat. Designed for simplicity, its service-ease design grants easy access to internal controls, while the heater on indicator light ensures you’re always in the know. Ideal for compact spaces, this heater boasts a threaded head and safety sensor electric heating element for efficient performance.

Enjoy hassle-free installation and maintenance with Hayward’s trusted quality. Its corded electric power source ensures reliable operation, while the convection heating method ensures even distribution of warmth. Perfectly sized to fit under spa skirts or steps, this heater combines functionality with durability, making it a must-have for any spa owner seeking comfort and convenience.

Pros:

• Powerful 11-kilowatt heating for quick and efficient spa warming.
• A durable 304 stainless steel tank and threaded head ensure longevity.
• Safety sensor electric heating element for worry-free operation.
• User-friendly with a heater-on indicator light for easy monitoring.
• The service-ease design provides simple access to internal controls.
• Corded electric power source for reliable and convenient use.
• The radiator burner type delivers a cozy 532 British thermal unit.
• Ideal for enhancing spa and hot tub relaxation experiences.

Cons:

• A corded electric power source may require proximity to an electrical outlet.
• The convection heating method may take slightly longer to heat compared to other methods.

FibroPool Swimming Pool Heat Pump

Elevate your pool experience with the FibroPool Swimming Pool Heat Pump. By harnessing clean electricity, it efficiently heats your pool, reducing environmental impact and operating costs compared to traditional gas heaters. Designed for in-ground pools up to 10,000 gallons or above-ground pools up to 21 feet round or 15 by 30 feet oval, this pump offers high efficiency with its titanium heat exchangers and high-pressure differential compressors, ensuring years of late-season swimming without straining your electric bill. Its rugged enamel-coated steel chassis withstands outdoor elements, while the slim profile of 40 inches by 16 inches by 24 inches provides versatile mounting options.

Operating at 55,000 BTU/hr with power requirements of 240v/60hz, this heat pump boasts a COP of 5.92x, delivering optimal performance. Control is made easy with a digital panel for temperature setting and monitoring, complemented by optional extension cables for flexible installation. Don’t compromise on your pool’s warmth; invest in the FibroPool Heat Pump for a cleaner, greener, and more enjoyable swimming season.

Pros:

• Clean and Green: Operates on clean electricity, reducing environmental impact and costs.
• Versatile: Suitable for in-ground pools up to 10,000 gallons and above-ground pools up to 21 feet round or 15 by 30 feet oval.
• High Efficiency: Utilizes high-pressure differential compressors and titanium heat exchangers for optimal energy efficiency.
• Rugged Design: The enamel-coated steel chassis withstands outdoor elements for extended durability.
• Easy Operation: A digital control panel with an easy-to-read display for convenient temperature setting and monitoring.

Cons:

• Climate Dependency: Best performance in humid climates down to 50 degrees; dry climates may benefit more from traditional gas heaters.
• Power Requirements: This requires a 240V/60Hz power supply.
• Size: Dimensions of 40″ x 16″ x 24″ may require consideration for installation space.

Best Electric Pool Heaters Buying Guide

An electric pool heater is an efficient and convenient way to heat your swimming pool water. Electric heat pumps work by extracting heat from the surrounding air and transferring it to the pool water. This allows you to comfortably enjoy your pool, regardless of the weather or season. When shopping for the best electric pool heater, there are a few key factors to consider before making your purchase.

Pool Size Considerations

The first thing you’ll want to determine is the appropriate size heater for your pool. Electric heaters are sized according to BTUs (British Thermal Units). To determine the right BTU rating for your pool, you’ll need to take into account the pool’s dimensions, location, and desired temperature. A properly sized heater will raise the temperature by 1 degree Fahrenheit per 300 to 400 gallons. Generally, you’ll want 120,000 to 150,000 BTU of output for your average-sized in-ground pool. Above-ground pools with smaller volumes will require a lower BTU output. If your pool is unusually large or you live in a colder climate, you might need to go up in BTUs for the desired heating results.

Energy Efficiency and Cost of Operation

One major advantage of electric pool heaters is their energy efficiency. Heat pumps move heat instead of generating it, reducing the amount of electricity needed to run them. You can select an electric heater based on how efficiently it transfers heat. Heaters with higher COP (Coefficient of Performance) ratings convert more energy into usable heat. Higher COP ratings also translate to lower operating costs. Look for a pool heater that has at least a 4.0 COP rating. In addition, the heater should be well insulated to prevent heat loss from the system.

Installation and Maintenance Needs

Heater installation can often be complex for the average pool owner. Unless you have plumbing experience, you’ll want to hire a professional for installation. Make sure to get a unit that has simple maintenance needs for any future upkeep. Some heaters have self-cleaning features, which can save you time and hassle. You’ll also want to inspect the heater periodically and keep filters clean for the best performance. Ensure any repairs are conducted by certified professionals as well.

Durability and Warranties

As a major investment, an electric heater should provide lasting performance. The heater’s cabinet and components should be weather- and corrosion-resistant. Stainless steel heat exchangers, for example, stand up well to pool chemicals and water. You’ll also want to look at what warranties apply to the heater. Common coverage includes the cabinet, parts, and heat exchanger for up to 5 years or more. Extended warranties can provide further protection for your purchase as well.

Conclusion

When searching for the best electric pool heater, carefully match the BTU output to your pool size and heating needs. Seek out energy-efficient operations with higher COP ratings. A properly sized and efficient system can heat your pool water economically for years of enjoyment. Though installation may require professional help, an electric heater with a durable and low-maintenance design will save you time and money down the road. Comprehensive warranties also ensure you get the most value from your investment. With some careful shopping comparisons ahead of time, you’re sure to find the ideal electric heater to meet your pool heating demands.

Frequently Asked Question

How do electric pool heaters work?

Electric pool heaters use an electric element to generate heat, which is then transferred to the pool water. The element heats up when electricity passes through it, warming the surrounding water as it flows through the heating chamber. This heated water is then pumped back into the pool, raising the overall temperature.

Are electric pool heaters energy-efficient?

Electric pool heaters can be energy efficient compared to other types of heaters, especially if they are well-insulated and properly sized for the pool. However, they can still consume a significant amount of electricity, especially when used frequently or in colder climates. Consider factors like insulation, size, and energy efficiency ratings when choosing an electric pool heater to maximize efficiency.

What size electric pool heater do I need for my pool?

The size of the electric pool heater you need depends on various factors, including the size of your pool, desired temperature increase, climate, and insulation. Generally, you’ll need to calculate the surface area and volume of your pool to determine the appropriate heater size. Consulting with a professional or using online sizing calculators can help ensure you choose the right size heater for your specific needs.

How long does it take for an electric pool heater to heat up a pool?

The time it takes for an electric pool heater to heat up a pool depends on several factors, such as the size of the pool, the starting temperature of the water, the desired temperature increase, and the heater’s BTU (British Thermal Unit) output. Generally, it can take anywhere from several hours to a day or more to heat a pool to the desired temperature, especially if the heater is undersized or if the outside temperature is very low.

Can electric pool heaters be used year-round?

Electric pool heaters can typically be used year-round, as they are not dependent on specific weather conditions like solar heaters or heat pumps. However, their effectiveness may vary depending on factors such as outside temperature and insulation. In colder climates, electric heaters may struggle to maintain desired temperatures during the winter months, and additional insulation or a backup heating system may be necessary for extended use. Regular maintenance and proper insulation can help maximize their effectiveness in all seasons.