The Best Swimming Pool Heaters (2024)

As a pool heater may be the biggest investment into your pool equipment, you want to ensure you make the right choice and with so many different options on the market it can get confusing. We have created a quick read below outlining the different types of heaters and a few of our favourites.

Key features on most Heaters available these days are:

  • Easy to read LCD display
  • Compact design
  • Very durable
  • Able to heat almost any pool
  • Wifi as a standard

Three main points to consider when choosing a pool heater

  • Costs of purchasing the heater vs operating costs
  • The application, environment and the desired requirements of the heater
  • The frequency in which you will use the pool

Whether you’re putting in a new in-ground pool or simply interested in upgrading your current pool with a state-of-the-art heat pump system, choosing the pool heater that’s going to be best for you depends on a number of different factors. You’ll have to decide if you want to invest a little more money up front for savings in the long run in the form of lower monthly operating costs, or if you want to save money on the initial purchase and installation, you’ll have to be willing to pay a little more each month to operate the heater.

Your location and climate will also be a big factor in deciding what type of pool heater to buy. If you live in a cooler climate that doesn’t get a lot of sunshine, solar pool heaters and electric heat pumps won’t be the best choice.

And finally, one thing that a lot of people fail to consider when making a decision for a pool heater is how often they will be using the pool. This comes into play because this will help determine the needed run times for your pump and to determine which one is best for your requirements.

The Benefits of Using a Pool Heat Pump

The big question: Solar Pool Heater, Electric Pool Heater, Gas Heater or Heat Pump?

Without going into much detail, hands down we love our ECO heat pumps because of their longevity, efficiency, safety and ease of use. If you want to get down into the nitty-gritty details, you can check out our very detailed comparison between solar pool heaters, gas heaters, and heat pumps here.

Water TechniX Inverter Heat Pump Paradise

One of the latest additions to the Water TechniX family is the Water TechniX Heat Pump Paradise! Designed with the Australian pool owner in mind, the Water TechniX Heat Pump Paradise has corrosion-resistant ABS casing with UV treatment that protects it fron Harsh Australian conditions, ensuring that your heat pump looks and functions as good as new even years down the line! The Water TechniX Inverter Heat Pump Paradise also has the highest average COP of all the pool heat pumps that we've run across at 14! It also comes with WiFi as a standard so that you can control and monitor your pool heating no matter where you are!

Everyone knows that once technology advances, the cost of production goes down and the features go up. This is true with the Water TechniX Inverter Heat Pump Paradise! Featuring top of the line technology, the Paradise has all of the bells and whistles found in other heat pump models that are 20% to 30% more expensive!

Features:

  • High energy efficiency with an average COP of 14!
  • Soft start, stepless DC inverter
  • HEAT and COOL Temperature feature!
  • Smart WiFi controller with app for remote operation
  • Quiet twin rotary Mitsubishi compressor
  • Twisted titanium heat exchanger
  • Anti Rust ABS casing for the toughest of conditions
  • Premium LCD touch screen display
  • User-friendly control panel
  • Smart ECO mode to reduce power costs
  • Sleek modern front airflow design
  • Super quiet with an average of 40dB
  • Heating and cooling modes
  • Internal safety flow switch
  • Designed and built for Australian conditions
  • Environmentally friendly R32 refrigerant gas
  • Compact size for all applications
  • Certified AU electrical system

Astral Viron eVo Gas Heater

AstralPool believe your pool or spa should be a warm oasis, when you want it, without the huge costs associated. The Viron Gas Heater uses revolutionary technology to heat your pool quickly and accurately to the temperature you select.

Heat on demand technology will save approximately 20% on operating costs over a conventional gas heater. By not having to run your gas heater all the time you will also reduce the Co2 emissions produced.

Features:

  • Save up to 20% on operating costs
  • Condensation produced is collected and returned to the pool
  • 30% - 50% smaller to save space
  • Maintains a consistent and even temperature
  • Viron 350 requires 300LPM Min

Cons:

  • Higher upfront cost
  • Poor aftersales support from Astral and in field service

It is important to note that Viron Heaters require more water flow than conventional pool gas heaters on the market. It is not as simple as removing your old gas heater and installing a Viron.

Madimack Heat Pump ECO

Built with efficiency and simplicity in mind these super-efficient season extenders are perfect for energy-conscious minds. With built-in low energy and night time mode efficiency is increased by up to 20%. With WiFi as standard you can switch your pool temperature and timers from wherever you are and with state of the art anti-corrosion casing built to last you can be sure your pool stays warm season after season.

Features:

  • Greater affordability with ultra low daily running costs as low as $2 - $3
  • The most effective and consistent heating option
  • Australian working temperature range from -10℃ to 45℃
  • Automatic reverse cycle frost protection
  • Easy to install - 1 day max
  • WiFi as standard
  • Anti-corrosion ABS casing
  • 25 Year Warranty on heat exchanger
  • Four-year warranty on all parts

Astral Eco Inverter Heat Pump

The AstralPool Heat Pump has been designed to heat your swimming pool using electricity. Based on the same principles employed in air conditioners and refrigerators, the AstralPool Heat Pump extracts the latent heat that exists in the atmosphere around us and delivers its direction into the swimming pool water.

Inverter technology allows the swimming pool heat pump to reach an extremely high COP compared with normal heat pumps in the market. The unique inverter technology reduces the speed of the unit as it reaches the desired temperature. This greatly saves on energy and enables you to enjoy swimming quicker and at a constant temperature.

With the optional WiFi module add-on, you can control on the go with your smartphone. Monitor and set your pool’s temperature even if you’re away on a business trip or holiday through your home’s WiFi. With the HeatPumpGO app (available for Android and iOS devices), your pool temperature will always be right at your fingertips wherever you are!

Features:

  • Extend your swimming season or swim all year round
  • R32 Gas for quicker heating times and less energy used
  • Whisper quiet
  • Super-efficient
  • Maintains the pool temperature 24 hours a day
  • Reduced temperature when the pool is not in use
  • Low operating Costs
  • Optional WiFi Module add-on for control though the HeatPumpGo App (available on Android and iOS)

SEE ALSO: Extending the Swimming Season with a Pool Heat Pump

Astral HiNRG Gas Heater

High Performance, highly reliable and in a compact package. The AstralPool HiNRG Heaters are designed for rapid heat up of your swimming pool or spa and to work with today’s energy efficient variable speed pumps, even when set on energy efficient low speed.

The build quality, an important factor for gas pool and spa heating is so high that the HiNRG Heater is covered by a 5-year limited warranty on both commercial and residential installations.

Pros:

  • High capacity for fast heat up
  • Energy Efficient
  • Pre-mixed combustion for low emissions
  • Heating on demand
  • Great quality unit

Cons:

  • Higher upfront cost
  • Poor aftersales support from Astral and in field service

Our Recommendations

Hands down our recommendation for the best swimming pool heater goes to the Water TechniX Inverter Heat Pump Paradise Series. It provides an excellent mix of value and performance, whilst still maintaining the level of heating that you have come to expect from the top-of-the-line heat pumps. Now that you've seen all and weighed all of the options, all that's left now is to determine the right size for your pool! Reach out to our team through the contact form today and our team of pool professionals will be happy to give you a FREE pool heating estimate.

As an added bonus, we've also teamed up with SplitIt to make payments on your heat pump purchase much lighter on the pocket by splitting up the cost into installments, interest-free and with no hidden charges! Head on down to our Payments Page for more information about SplitIt and our other payment methods.

Don't know what size heat pump or heater to get for your pool? You can check out our heater size guide here.


The savings provided by this top-of-the-line heat pump will allow it to begin paying for itself from day one. It’s certainly one of the best pool heat pump options on the market today. When up and running, it performs like a champ as well, earning it the top spot in this and many other heat pump pool heater reviews. Engineered to provide years of unrivalled heating performance for residential pools, it’s one of the absolute best pool heat pumps being made today and deserves some serious consideration despite its higher price.

  • Class-leading energy efficiency
  • Easy to read LCD display
  • Compact design
  • Very durable
  • Cost-efficient
  • Able to heat almost any pool

I have also written a far more in depth article about pool heat pump heaters here: Why a Heat Pump is better than Solar Pool Heating

We also have more in-depth blog post here on how solar pool heaters work for those who are curious why we recommend pool heat pumps over solar pool heaters.

Pool Heat Pump Installation Notes

The total price for Heat Pumps does not include any electrical installation costs and plumbing costs. For the electrical installation, a qualified electrician is required to properly ground the unit and hardwire it into your home’s electrical system. The total costs for electrical installation of the Pool Heat Pumps can run anywhere from $120 - $200 depending on labor costs, location, and materials used for installation.

SEE ALSO: How to Install a Pool Heater

For the plumbing costs, a trade qualification is not required, but is recommended to ensure that the warranty isn’t voided. Plumbing costs can be anywhere from $100 - $500 depending on the labor costs and the complexity of the plumbing work to be done. If your pool’s plumbing system has enough space to accommodate a pool heat pump without complex plumbing work then it shouldn’t cost too much.

These are just rough approximations of expenses, for a more accurate estimate, contact your local electrician and plumber

For a more detailed explanation on things to consider when getting a pool Heat Pump, click the button below.

Pool Heat Pump Installation Costs and Notes

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Do you have any questions about this topic or the featured products? No worries, we're here to help! Drop us a question down below and we'll get back to you ASAP.

Happy swimming :)

The Best Swimming Pool Heaters (2024)

FAQs

What is the best thing to heat a pool? ›

Choose a high efficiency HPPH and size it correctly

When considering the cheapest ways to heat an inground pool, many people choose a Heat Pump Pool Heater (HPPH). They are more efficient than traditional gas, propane or electric heaters.

Which pool heater lasts the longest? ›

A propane or natural gas pool heater typically lasts between 7 to 12 years. But electric heaters last between 15-20 years, and solar heaters have a lifespan of about 20-30 years.

What is the best way to heat a swimming pool? ›

Pool heat pumps are an excellent choice for those seeking a reliable and efficient heating solution. These devices extract heat from the surrounding air and transfer it into the pool water, effectively raising the temperature.

How to pick the right pool heater? ›

Consider the size, shape, and location of your pool, as well as the climate and your desired pool temperature. Different types of pool heaters have different heating capacities and efficiency ratings. Compare the initial cost, installation cost, operating cost, and maintenance cost of different pool heaters.

What is bad for a pool heater? ›

Improper ventilation, clogged filters, and malfunctioning thermostats are three of the most common problems that can arise with gas pool heaters. It's important to be proactive in maintaining your gas pool heater and to address any issues as soon as they arise.

Is it OK to run pool heater all night? ›

We do not recommend leaving a pool heater on overnight for most property owners, even ones with advanced solar heating systems. The massive power draw will negate any savings they gain from using solar cells and receiving renewable credits from the government.

Is it cheaper to keep pool heater on all the time? ›

Also, turn the temperature down or turn off the heater whenever the pool won't be used for several days. This will save energy and money. It's a myth that it takes more energy to heat a pool back up to a desired temperature than you save by lowering the temperature or turning off the heater.

Can you leave pool heater on all the time? ›

You should never leave your electric or gas pool heater on overnight because your energy bill will increase significantly. Deciding whether to leave your electric or gas pool heater on or off overnight depends on your usages and plans.

What is the black hose trick to heat a pool? ›

Grab your black garden hose, fill it up, and leave it in direct sunlight. This will warm the water within and heat your pool as you refill. However, this method has several problems, as a lack of sunlight will prevent your hose from warming up. Also, this method only works when refilling your pool.

What is a comfortable temperature to heat a pool? ›

According to the American Red Cross the recommended water temperature ranges from 78°F to 85°F for the most comfortable and safe swimming experience, but it can vary depending on who is using the pool, and for what purpose.

What is the useful life of a pool heater? ›

The average life of a pool heater is between 15 and 25 years with regular usage and proper maintenance, but there are various factors that impact that projection.

Is Rheem pool heater any good? ›

Overall, the Rheem Avia Pool and Spa Heater is an excellent choice for anyone looking to enjoy their pool or spa in comfort and style. This heater will surely exceed your expectations with its advanced features, powerful performance, and durable construction.

Are newer pool heaters more efficient? ›

Gas-fired pool heaters remain the most popular system for heating pools. Today you can find new gas-fired heater models with much higher efficiencies than older models. However, depending on your climate and pool use, they may not be the most cost-effective option when compared to heat pump and solar pool heaters.

How often do pool heaters need to be replaced? ›

As with most swimming pool equipment, pool heaters have a limited lifespan. Over time regular usage will lead to a necessary replacement. While propane or natural gas pool heaters can typically last between 7-12 years, electric ones can last 15-20 years and solar heaters can have a lifespan of about 20-30 years.

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