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Electric Pool Heaters For Sale

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Where Are Pool Heaters Installed

Should I Buy A Gas Or Electric Pool Heater?

Pool heaters can be installed outside or inside of pool sheds and in outdoor enclosures as long as they are correctly vented to allow for necessary air flow around the unit. Each heater on our website has a chart indicating the matching vents which are available for purchase. Never install a heater inside of a residential dwelling unless the unit is specifically designed for residential use indoors. Heat pumps cannot be installed indoors.

Most residential pool heaters are not designed for use in lived in dwellings. Never try to install a pool heater indoors unless it is specifically designed for indoor usage.

Do Pool Heaters Use A Lot Of Energy

Water is very resistant to being heated. Therefore, heating a pool takes a lot of energy to accomplish. Add into the equation cold air, wind and cold rain, and heating a pool can become an energy-expensive endeavor. It can cost upwards of $400 per month, or as little as $100 to sufficiently heat a pool. Be sure to invest carefully in one that best fits your needs to keep energy costs reasonable.

Our Favorite Pool Heater Is The Hayward W3h150fdn Universal H

We independently research, test, review, and recommend the bestproductslearn more about our process. If you buy something through our links, we may earn a commission.

The Spruce / Laurey W. Glenn

A pool heater keeps water at a comfortable temperature and can help extend your backyard pool season into the colder months. We researched dozens of models, judging them on ease of installation, effectiveness, and value.

Our best overall pick is the Hayward W3H150FDN Universal H-Series Heater, which stands out for its durability, longevity, and effectiveness.

Here are the best pool heaters on the market.

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Best Electric Pool Heater

The best electric heaters on the market today are as energy efficient as it gets. The reason is because they are historically knows as being very expensive to operate. In an attempt to make them appealing to consumers they’ve come up with technology in recent years that delivers efficiency as high as 99.8%.

The EcoSmart electric tankless pool heater is the best electronic pool heater on the market today. It boasts an almost perfect 100% energy efficiency rating and state of the art electric heating technology. This heater is ideal for above ground pools including Intex hardware as well as for salt water pools.


Please use all appropriate and proper safety precautions when attempting projects on this website. All projects are attempted at the reader’s own risk.

Salt Water Pool and Spa participates in various affiliate programs, including Amazon Services LLC Associate Program, as an Amazon Associate we may earn a commission from qualifying purchases.

Are Heat Pumps Energy Efficient

Intex 28684 2.2kw Electric Pool Heater for sale online

How are heat pumps and pool heaters better than other methods of heating pools?

If you want an energy-efficient way to heat your swimming pool and enjoy swimming for as much of the year as possible then a pool heat pump pool heater is the best way to do it.

A heat pump uses a small amount of electricity to operate. Instead of heating with an electric heating element they collect heat from the outside air. Even when it is 50 degrees outside there is enough heat in the air to put in the pool even though it feels cold to us. In other words, you are just really moving existing heat around from the air to your water, this heat is removed from the air, concentrated with your compressor, and then transferred to the water.

Because of their high efficiency, heat pumps have a low cost of operation. Typically, for every 20 cents of electric input, you receive $1.00 worth of heat.

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Selecting A Heat Pump Pool Heater

Heat pump pool heaters cost more than gas pool heaters, but they typically have much lower annual operating costs because of their higher efficiencies. With proper maintenance, heat pump pool heaters typically last longer than gas pool heaters. Therefore, you’ll save more money in the long run.

When selecting a heat pump pool heater, you should consider its:

Electric Pool Heater Sizing Guide

Electric pool heater sizing is really simple and takes into consideration the time to heat your pool based on water volume and size of the heater. A properly sized electric pool heater will raise water temperature 1 to 1.5 every hour under ideal weather conditions. The time to heat will vary with fluctuating air temperature, pool usage, wind and if a cover is being used or not.

The manufacturer will have sizing information including a sizing calculator where all you need to do is input the volume of your pool to determine heating speeds. You can then make an informed decision based on budget and the time to heat speed that you want.

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How Much Will It Cost

It is quite easy to determine the cost per day, The formula is Power X Hours per day X Price Per KW. For this scenario we are going to use a K5 , for 24 hours at an estimated $0.06 per KW. 5 KW X 24 Hours X .06 = $7.20 to run this unit, per day. This is actually an unrealistic price as once the pool is heated the unit will turn the heating elements on and off to maintain the temperature of the water rather then running at full power all the time.

Refer to the sizing chart on this page to determine the Electric Heater you require.

Pool Size

What Is The Difference Between Pool Heaters And Pool Heat Pumps

Best 5 Electric Pool Heater in 2021â

Heat pumps operate differently by using electricity to capture heat and move it from one place to another and do not generate heat like a gas or propane heater.

Gas and Propane pool heaters will use more energy than pool heat pumps because they are required to create heat, rather than transfer it. However, if you live in a location with colder climates, a heat pump would need to use more energy since it needs to draw in heat from the outside air. Heat pumps may be ideal for those who use their pool in warmer weather and do not live in a location with cooler climate.

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Best For Saltwater Pools: Raypak Pr266aenx51 240000 Btu Heater Electronic Ignition

Courtesy of Home Depot

Saltwater pools are known to take a toll on mechanical equipment and components, including a pool heater. However, you can minimize the potential for problems by choosing a pool heater specifically designed for saltwater pools. Most models have a copper fin tube heat exchanger, which can be negatively impacted when exposed to water from a saltwater pool. The best choice for these pools is a heater with a cupronickel heat exchanger. While the upfront cost is usually higher than a model with a copper heat exchanger, the payoff in terms of durability and service life makes sense for most pool owners.

The Raypak PR236AENX51 is equipped with a cupronickel heat exchanger, along with Raypaks ProTek shield that acts as a buffer against corrosion of your heat exchanger. The digital thermostat makes it easy to adjust the pool temperature to your preferences, and it can be tied into a remote system for convenient and automated control of your pool.

Power Source: Natural gas | BTU Output: 266,000 | Pool Type: In-ground | Pool Size: 25,000

Electric Pool Heaters Vs Gas Pool Heaters

Electric swimming pool heaters are similar to gas pool heaters in design except that instead of a heater exchanger heated by natural gas or propane, an element is super heated with electrical resistance energy. Electric heaters are smaller in comparison, designed for lower volume pools but aren’t ideal for heating a pool larger than 15,000 gallons.

Electric and gas pool heaters are both designed to provide “on demand” heat. They are great for providing quick heat similar to a furnace in a house, but aren’t very efficient or cost effective if you require constant heat. A gas heater will heat slightly faster than an electric pool heater under similar conditions. The cost to operate an electric and gas heater are very similar depending on your local rates, whereas a heat pump heater is substantially cheaper to operate.

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Why Trust The Spruce

This article was written by Erica Puisis, a home and lifestyle writer who has been researching the latest products for indoor and outdoor living for The Spruce since 2017. To compile this list, she considered a model’s heating capacity, components, power source, and price, along with each manufacturer’s reputation and reliability.

Energy Efficient Heat Pumps

Intex 28684 2.2kw Electric Pool Heater for sale online

An emerging method of heating pools is the swimming pool heat pump. A electric pool heat pumps efficiency is dependent on the outside temperature and since pools are usually used during warm and mild weather, heat pumps are a very efficient method of heating pools. Using a pool heat pump makes sure your swimming pool stays as enjoyable in the fall and spring as they are in the summer. Heat pumps do not generate heat, they simply capture it and move it from one place to another to heat the pool evenly. Redistributing heat means there is no need to waste more electricity creating large amounts of artificial heat. Our energy efficient heat pumps to give you a nice warm pool without a sky high electric bill by using as little electricity as possible. In comparison with gas heaters, these pool heat pumps save as much as 80 percent in energy costs.

We have the best pool heat pumps for sale from your favorite brands including Pentair, Hayward, Raypak, and Jandy. Pentair. Save money on heating your pool this year by shopping with us and get your pool heat pump shipped quickly.

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Determining Heat Pump Pool Heater Efficiency

The energy efficiency of heat pump pool heaters is measured by coefficient of performance . The higher the COP number, the more efficient. The federal test procedure for heat pump pool heaters sets the test conditions at 80ºF ambient dry bulb, 63% relative humidity, and 80ºF pool water. COPs usually range from 3.0 to 7.0, which converts to an efficiency of 300%700%. This means that for every unit of electricity it takes to runs the compressor, you get 37 units of heat out of the heat pump.

Sizing A Heat Pump Pool Heater

You should have a trained pool professional perform a proper sizing analysis for your specific pool to determine pool heater size.

Sizing a heat pump pool heater involves many factors. Basically, a heater is sized according to the surface area of the pool and the difference between the pool and the average air temperatures. Other factors also affect the heating load for outdoor pools, such as wind exposure, humidity levels, and cool night temperatures. Therefore, pools located in areas with higher average wind speeds at the pool surface, lower humidity, and cool nights will require a larger heater.

Heat pump pool heaters are rated by Btu output and horsepower . Standard sizes include 3.5 hp/75,000 Btu, 5 hp/100,000 Btu, and 6 hp/125,000 Btu.

To calculate an approximate heater size for an outdoor swimming pool, follow these steps:

  • Determine your desired swimming pool temperature.
  • Determine the average temperature for the coldest month of pool use.
  • Subtract the average temperature for the coldest month from the desired pool temperature. This will give you the temperature rise needed.
  • Calculate the pool surface area in square feet.
  • Use the following formula to determine the Btu/hour output requirement of the heater:
  • Pool Area x Temperature Rise x 12

    This formula is based on 1º to 1-1/4ºF temperature rise per hour and a 3-1/2 mile per hour average wind at the pool surface. For a 1-1/2ºF rise multiply by 1.5. For a 2ºF rise multiply by 2.0.

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    Swimming Pool Heaters In Canada

    In Canada, a pool heater is absolutely necessary to be comfortable in your backyard pool. Explore our inventory of premium swimming pool heaters and find the right one for you. No matter what your setup is, in-ground, on-ground, or above ground. We offer natural gas, propane, heat pumps, electric and solar pool heaters for sale. Maximize the use of your outdoor pool with a heater from industry-leading manufacturers – Hayward, Raypak, Sta-Rite, Pentair, Coates, and K-Star.

    Professional installation is required for pool heaters, to ensure they will integrate seamlessly into your setup, are properly installed, and keep your warranty valid. Take the guesswork out of your pool temperature and keep your overall water quality more consistent. Pool heaters dont cost a lot to run, and they can double the amount of time your family can enjoy the pool. We carry the best pool heaters in Canada at discount prices to get your family into the pool earlier, stay later, and more often. A Pool heater is not a cheap investment but one that will add some sunshine to your day. Contact us today to find the right pool water heater for your swimming pool or spa.

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    No Carbon Dioxide Emissions

    Raypak Electric Heaters | E3T Model | E-Z Test Pool Supplies

    An electric pool heater creates no CO2 emissions of its own. As most energy suppliers are moving away from environmentally damaging electricity production, pool owners are being given the opportunity to lessen their carbon footprint. If your energy company is supplying you with energy derived from wind or solar power, operating an electric pool heater can have almost no negative environmental impact.

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    Heat Pump Pool Heaters

    Heat pump swimming pool heaters require a dedicated electrical circuit with a breaker size of 30 to 60 amps, depending on the heater size. As such, pool heat pumps often require an electrician for correct and safe hookup.

    Electric or heat pump pool heaters for pools incorporate aspects of solar heating in that they absorb warmth from the surrounding air into a liquid refrigerant, compress the liquid to create more heat, and transfer the heat to the pool water. Outside temperatures greater than 50 degrees F are required for operation, and the warmer the air is, the less operation time required.

    Pros and Cons of Pool Heat Pumps

    • Low Cost to Operate
  • Slow to Heat
  • High Initial Cost
  • Pool heat pumps have a very low cost to operate, as compared to gas pool heaters. The average pool owner may spend $60-$200 per month on electricity to power the heat pump fan and compressor, depending on how cold the air temperature is, and whether or not the pool is covered. Those in high energy cost areas will also spend more with an electric heat pump. Heat pumps are close to 100% efficient, as compared to 80% for most gas pool heaters.

    A heat pump can be considered more eco-friendly than a gas pool heater. Although there is an environmental cost of consuming the power generated to run a heat pump, the heat pump does not directly burn fossil fuels, nor emit carbon monoxide, like a gas pool heater.

    How To Install An Electric Pool Heater

    Whether youre looking to cut costs or enjoy doing things yourself, installing an electric pool heater is undoubtedly doable on your own.

    Step 1: Choose Heater location

    Since your electrical pool heater requires a power outlet, youll want to select a location close to the outlet, the pool pump, and the pool filter. If you do not have a location near all three, you may want to consider installing long runs of PVC pipe to your pools pump.

    Step 2: Cut PVC Pipes

    After deciding on the location of the electric pool heater, youll need to find a place for the pools filters outflow hose. Place a mark near the water pipe connector on the heater, where youll attach the feeding to the heater. Mark a second line 6 away from the first this is where water from the heater will join the pipe that leaves the filter and feeds water into the pool. Slice out a section of the water pipe between the two marks. Once completed, cut two parts of PVC pipe to the exact length required to extend from the water connection on the heater to the bend fittings youll connect to the water pipe.

    Step 3: Connect Water Heaters to PVC Pipes

    Step 4: Complete Installation

    Complete your electric pool heaters installation by connecting the heaters AC cable, turning on the pool pump and filter, and testing the water near where the water enters from the heater.

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    What Is The Best Electric Pool Heater

    The best electric pool heater is the one that gives its owner the most flexibility in its use. One thats reliable and efficient at maintaining water temperature, but also has the ability to heat the pool quickly if needed, is going to meet most pool owners needs best. Our favorite for providing these qualities is the Ecosmart US SMART POOL Tankless Pool Heater.

    Is An Electric Pool Heater Worth It

    Intex 28684 2.2kw Electric Pool Heater for sale online

    The overall cost of ownership of an electric pool heater is less than that of a gas heater if you live in a relatively warm climate. In cooler climates, there may be more financial costs in the long run for energy use. In terms of reliability and flexibility though, an electrical pool heater has advantages that gas heaters cant often match.

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