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The 8 Best in ground pool heaters of 2024

Are you trying to find in ground pool heaters among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling in ground pool heaters on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 11 hours of research and did 81 in ground pool heaters tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best in ground pool heaters you can buy today

No. 1
Hayward W3HP21404T HeatPro 140,000 BTU Pool Heat Pump for In-Ground Pools
  • BEST FOR: In-ground pools that are used regularly and benefit from maintaining an ideal consistent temperature. Non-corrosive design makes it durable for coastal climates.
  • ECONOMICAL HEATING: Using the surrounding air to heat the pool, HeatPro is more economical than propane, natural gas and electric heaters for maintaining the ideal water temperature.
  • UNPARALLELED DURABILITY: Ultra Gold corrosion-resistant technology provides unparalleled durability, even in harsh coastal environments.
  • CORROSION RESISTANT: Titanium heat exchanger ensures maximum heat transfer and provides excellent salt water and chemical corrosion resistance. UV-resistant body panels are impervious to corrosion and deterioration
  • TRUSTED BRAND: With over 80 years of experience, Hayward is an industry leader in manufacturing advanced pool equipment.
No. 2
Solar Sun Rings 60 Inch Above Ground or Inground Swimming Pool Hot Tub Spa Heating Accessory Circular Heater Solar Cover, Blue (Cover Only)
  • Solar Sun Ring is composed of two sheets of vinyl that resist UV and convert solar energy into heat, adding free heat to your pool with only the power of the sun
  • Solar blanket cover retains heat at night and reduces evaporation of water and chemicals is compatible with automatic pool cleaners and is not affected by salt or chlorine systems
  • Water anchors add stability and weight for storms and windy conditions while the ease of cleaning and storage ensures hassle-free maintenance, which is easy to inflate
  • Store pool solar cover away from direct sunlight when not in the water so the item can withstand high-quality use for lasting time
  • Blue circular solar pool heater covers 50 square feet of surface area; Measures 60 inches long, 60 inches wide, and 2 inches tall and weighs 2.5 pounds
No. 3
Hayward W3H150FDN Universal H-Series 150,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas
  • BEST FOR: In-ground pools and spas with a surface area up to 400 ft. where natural gas is available. Its low environmental impact makes it ideal for pools and spas located where low-NOx emissions are required.
  • PREMIUM PERFORMANCE: The Hayward Universal H-Series 150,000 BTU Natural Gas Heater delivers fast premium heating performance for years of reliable, long-lasting comfort.
  • CORROSION PROTECTION: The Universal H-Series boasts exceptional protection against corrosion and premature failure caused by unbalanced water chemistry.
  • ENERGY SAVINGS: The efficient, industry-leading design reduces circulation pump run time to provide energy savings.
  • EASY-TO-USE: Intuitive front control panel provides easy operation, service and maintenance.
No. 4
GRILLME 240V 3000W Immersion Bathtub and Swimming Pool Water Heater,Fully Submersible Portable Electric Heater,30 Galons Bathtub Heater,200 Galons Swimming Pool Heater,NEMA 6-15P Plug,100% Waterproof
  • Product Parameters: 240V 3000W (Must Use NEMA 6-15P 15A Outlet, This Heater is 12.5A Current) , Heater Length 13.5 Inches, Power Cord Length 118 Inches.
  • Fast Heating: The 3000W Heater Can Increase The Water Temperature Of A 30 Gallons Bathtub By 50 Degrees Fahrenheit Within 30 Minutes(Make Sure You Have A NEMA 6-15P 15A Outlet In Your Home).
  • High Quality Material: The Shell Of The Heater Is Made Of Stainless Steel 316L Material, Which Has Better High-temperature And Corrosion Resistance Than Stainless Steel 304. The Anti Scalding Sheath Of The Heater Can Avoid Damaging The Container During Use.
  • Notice: The Heater Needs To Be Completely Submerged In Water During The Heating Process To Avoid Dry Burning Damage. This Product Is Only Suitable For Heating Tap Water And Is Not Suitable For Heating Corrosive Liquids Such As Well Water,Seawater, Acids, Alkalis, etc.If There Is Scale On The Surface Of The Heater, It Should Be Regularly Removed With A Scale Remover Or Vinegar.
  • Warranty: This Product Provides A One-year Warranty, And Is Free To Return Or Exchange If Damaged During Normal Use.
SaleNo. 5
EcoSmart SMART POOL 27 Electric Tankless Pool Heater, 27kW, 240 Volt, 112.5 Amps with Self Modulating Technology
  • Flow Activation
  • Eco smart Pool Heaters are compact and easy to install for a new or existing pool
  • Set your temperature digitally to increments of 1-Degree. Set it and forget it.
  • Compatible with Eco smart Remote Control. Activation Flow - 12 +/- 2 GPM
  • Can be used as an alternative to or booster to heat pump.
  • wattage: 27000.0
No. 6
SunHeater Pool Solar Blanket - Heavy Duty Rectangular Pool Solar Cover with Bubbles - Heat Transfer Solar Pool Heater for In-Ground Swimming Pools - Durable 12 Mil Thick Polyethylene - 16' x 32' Feet
  • Soak Up The Sun - Heat your pool the natural way with this blue solar blanket! When placed on top of the pool with the bubbles facing down, it traps the warmth from the sun and transfers it to the water.
  • Keep Refills To A Minimum - Using this above ground pool heater can help minimize evaporation by up to 95%. This translates to significant savings since you don't have to add more water as often.
  • Cut Down Cleaning Time & Costs - Our pool solar cover also helps keep leaves, dirt, and debris at bay. Cut down time spent on skimming and fishing out impurities and save on cleaning products!
  • Customize According To Your Needs - This 16x32 feet solar pool cover is suitable for rectangular in-ground and above-ground pools. It can also be trimmed to fit square, round, and kidney-shaped pools.
  • Storage Made Convenient - Despite its large dimensions, this 12 mil pool solar heater can be easily folded down to a compact size. Simply store it away in your shed or on a shelf when it's not in use.
No. 7
POOLCOMFT Pool Heater for Above Ground Pools and inground Pools,Pool Heat Pump EU70,20000BTU/hr,Up to 6500gallons,120V/60Hz
  • [Extend Your Swim Season]: Designed specifically for heating aboveground swimming pools and small inground pools. The EU70 heater can operate within the range of ambient temperature from 30F to 100F, under optimal operating conditions can heat the water temperature to 105F, making it an ideal choice for extending the swimming pool season for months
  • [Save Money]: Base on heat pump technology, the EU70 heat pump absorbs energy from the air molecules and transfers it into the water. So the operation only requires very limited electric input, hence its high efficiency and heat conversion rate can reach a score of COP 4.7. In other words, for every cent of electricity spent, 4.7 times heat is generated!
  • [Ideal for Above Ground Pools] 20000 BTU output, the Pool heat pump EU70 is Ideal for Above Ground Pools with up to 6500 gallons of water. (Please refer to the temperature map of the United States to chose the appropriate model).
  • [Built in flow sensor] The machine is equipped with a water flow sensor, which can automatically control the working time of the heater through the timing setting of the water pump.
  • [Easy operation] The intelligent control IC automatically maintains the swimming pool at your desired temperature. Once it starts running, you don't need to adjust any settings, just enjoy a warm and comfortable swimming pool.
No. 8
Hayward W3H150FDP Universal H-Series 150,000 BTU Propane Pool and Spa Heater for In-Ground Pools and Spas
  • BEST FOR: In-ground pools and spas with a surface area up to 400 ft. where natural gas is available. Its low environmental impact makes it ideal for pools and spas located where low-NOx emissions are required.
  • PREMIUM PERFORMANCE: The Hayward Universal H-Series 150,000 BTU Propane Heater delivers premium heating performance for years of reliable, long-lasting comfort.
  • CORROSION PROTECTION: The Universal H-Series boasts exceptional protection against corrosion and premature failure caused by unbalanced water chemistry.
  • ENERGY SAVINGS: The efficient, industry-leading design reduces circulation pump run time to provide energy savings.
  • EASY-TO-USE: Intuitive front control panel provides easy operation, service and maintenance.
No. 9
FibroPool Swimming Pool Heat Pump - FH270 70,000 BTU - for Above and In Ground Pools and Spas - High Efficiency, All Electric Heater - No Natural Gas or Propane Needed
81 Consomer Reviews
FibroPool Swimming Pool Heat Pump - FH270 70,000 BTU - for Above and In Ground Pools and Spas - High Efficiency, All Electric Heater - No Natural Gas or Propane Needed
  • CLEAN AND GREEN: The FH270 is powered by clean electricity, reducing the harmful environmental effects and cost of traditional heaters that use natural gas or propane. Our pumps instead move heat from the air into the water, which saves you money and is a breeze to maintain
  • COMPATIBLE WITH: In ground pools up to 15,000 gallons and above ground pools up to 27 foot round or 18 by 33 foot oval. As with all heat pumps, we recommend using in a humid climate down to 50 degrees for best performance. Dry climates are better served by a traditional gas heater
  • HIGH EFFICIENCY: Utilizing high-pressure differential compressors and titanium heat exchangers, FibroPool heat pumps are meticulously designed to be the most energy efficient in their class. You can rest comfortably knowing your family will enjoy years of late season swimming without feeling a squeeze on your electric bill
  • RUGGED DESIGN: Enamel-coated steel chassis is designed to withstand outdoor elements season after season. Slim profile measures just 13"x38"x27", offering a wide range of mounting options. Conveniently installs with included 1 1/2 inch compression fittings on a 240 volt circuit
  • EASY OPERATION: Digital control panel with an easy-to-read display offers convenient temperature setting and monitoring. Optional extension cable allows you to mount the control panel in a location that works best for you
SaleNo. 10
Mxmoonant Pool Heater 11KW 220V, Electric Swimming Pool Heaters Hot Tub Water Thermostat with Touchscreeen for Above Ground Inground Pool, Spa, Bathtub,
1 Consomer Reviews
Mxmoonant Pool Heater 11KW 220V, Electric Swimming Pool Heaters Hot Tub Water Thermostat with Touchscreeen for Above Ground Inground Pool, Spa, Bathtub,
  • [Touchscreen Display]: Compared to traditional temperature knobs, the upgraded touchscreen display on the 11KW pool heater improves visibility and control. The temperature is visually displayed and can be more accurately controlled with ease.
  • [Automatic Circulating Heating]: The swimming pool heaters will cycle on and off based on the preset temperature. When the water temperature reaches or surpasses the preset level, the pool thermostat will automatically shut off. Conversely, if the temperature drops below the preset level, the pool thermostat will automatically turn on again.
  • [Efficient Heating Tube]: The electric pool heater is equipped with 304 stainless steel heating tubes, which provides excellent thermal conductivity. This efficient heat transfer through the heating tubes speeds up heating times and lowers energy costs.
  • [Professional Wiring Method]: Since a hot tubl heater is a high-powered machine, it is designed to be hardwired rather than plugged in. Therefore, it is important to have a licensed electrician handle the installation process. They can ensure your safety and proper wiring to maximize the efficiency and lifespan of your pool heater.
  • [Notice]: 11KW Pool heaters are suitable for pools of around 1000 gallons. In addition, the heating time of a pool heater depends on various factors such as the size of the pool, the desired temperature increase, the power of the pool heaters, and the ambient temperature.
No. 12
YiViKPE Curve Solar Pool Heater, Made for Above-Ground and Inground Pools, Includes 2 Adapters, 2 Hoses & Clamps
  • 🏊high quality: our products are blow molding, so the quality has been better controlled, coupled with high-quality plastic materials.
  • 🏊making the pool warmer: the viyikpe curve solar pool heater has been designed for above-ground and most inground pools. It can raise the pool temperature by 5 degrees in about 3-5 days for the pool with 8,000-gallon.
  • 🏊 perfect curve design: the curved surface design can increase the contact area, absorb more solar energy, and thus better raise the water temperature. A transparent plastic plate on the surface of the solar heater can retain heat and improve the working efficiency of the product.
  • 🏊strenghtened legs: the material of the support leg is aluminum, and we have carried out a reinforced design to ensure that the solar heater will not be crushed when it is filled with water.
  • 🏊our service: we provide free return and exchange within 30 days after signing for express delivery; Within 12 months, if the product quality problem, we can provide free parts or a partial refund according to your use time.
No. 13
Pentair EC-462025 Heaters, White
  • GREAT FOR SMALLER POOLS: Propane heater boasts 125,000 BTUs, designed for smaller bodies of water up to 15,000 gallons
  • COMPACT AND EFFICIENT: Compact design with 82-percent efficiency as compared to larger pool heaters; Quiet operation makes sure not to impose on leisure pool time
  • THOUGHTFUL, USER-FRIENDLY DESIGN:: Rotating digital display allows for any installation rotation and is easy to read; User-friendly indicator lights allow for simple system operation and monitoring; Corrosion and UV-resistant housing deliver durable, lasting use
  • SAFETY FEATURES: Water pressure and stack flue sensor for overheat prevention, auto shut-off when the temperature exceeds factory limits, and manual shut-off for servicing; Certified for Low NOx emissions
  • SPECIFICATIONS: Voltage: 120/240V; Intake/discharge plumbing: 1.5-inch; Dimensions (L x W x H): 31.5 x 21 x 23 inches; Weight: 80 pounds
SaleNo. 14
DOEL 20000 BTU Swimming Pool Heat Pump for In-ground/Above-Ground Pools, 5.56 kW Electric Pool Heater with Titanium Heat Exchanger, 110V 60Hz
12 Consomer Reviews
DOEL 20000 BTU Swimming Pool Heat Pump for In-ground/Above-Ground Pools, 5.56 kW Electric Pool Heater with Titanium Heat Exchanger, 110V 60Hz
  • Swimming Pool Heat Pump: This electric pool heater is suitable for small above-ground pools up to 6600 gallons and in-ground pools up to 4,226 gallons. (Please read item description for more details as reference). It's your perfect heat pump solution for above ground and inground swimming pools with 2 inch/50mm water hose connection.
  • Efficiency and Easy to Installation: Allowing fast and easy hookup without professional installation. With innovative flat-tube titanium heat exchanger, the heat exchanging efficiency is 30% higher than spiral tubes.
  • Unique Design: Efficient rotary compressor and low-noise fan guarantee extremely quiet operation. Galvanized steel body panels with cute and graceful design are impervious to rust and deterioration. The setting water temperature is available on digital LED display.
  • Premium Security: Available with child lock. Advanced protection system with auto electrical-leakage and low-voltage switch, high and low-temperature, and compressor discharge over-high protection.
  • Working Requirements: 110volts, 60 HZ for USA electricity. Built in 11.5 foot long power cable with standard USA plug, if there is any cofused about the plug, please contact us in time. We will always here to help you..
SaleNo. 15
Smart Pool S601 Inground Pool Solar Heating System, Includes Two 2’ x 20’ Panels (80 sq. ft.) – Made of Durable Polypropylene, Raises Temperature Up to 15°F – S601P, Pack of 1, Black
  • Keep your pool warm with a polypropylene heat collector. Direct Flow System - One Header Hole for Each Heating Tube
  • Solar heater features 80 square feet of solar panels
  • Pool accessory is perfect for heating any in-ground swimming pool
  • Panel array measures 4 feet wide x 20 feet long. Raises Pool Water Temperature 6-10°F (4-6°C)
  • Installation kit required (Sold Separately)
No. 16
BigXwell Solar Pool Cover, Blue 16-mil 12 x 24 Foot Rectangle Pool Heaters for In-Ground Pools, 1600 Series Heavy-Duty Insulating Pool Heater Covers for Swimmer
  • Harness the Power of Sun:The 16 mil solar pool cover with thousands of thermal bubbles can trap the heat from the sun.Effectively utilizes sunlight to naturally heat your swimming pool, And hold the temperature on cloudy days or at chilly nights.Reducing reliance on expensive heaters and limiting energy expenditure.
  • Maximize Heat Retention: our pool cover traps and maintains the heat within your pool. Enjoy a warm swim, regardless of the weather condition! Jump into the pool with confidence, Let your friends know that BigXwell keeps the warm for you!
  • Protect Your Pool: Secure your pool from dust, leaves, debris, and animal. keeping your pool cleaner for longer and cutting down maintenance costs.
  • Reduces Water & Chemical Evaporation: The solar pool cover creates a barrier that minimizes water and chemical evaporation can helps you reduces pool water evaporation by 95 percent, so you don't need to add water again every time you swim.
  • High-quality material, promising longevity even under harsh weather conditions. It's lightweight and easy to install or remove.
SaleNo. 17
Raypak 266,000 BTU Digital Electronic Ignition Natural Gas Pool Heater
  • Built to withstand various weather conditions, perfect solution for environments requiring efficiency, convenience and versatility.
  • Intermittent spark ignition pilot safety controls. Pilot only comes on when there is a call for heat.
  • Space-age material means the heater won't retain residual heat after it is turned off, allowing it to be installed without the use of costly metal heat sinks.
  • Part Number: 009217 | Model Number: P-R266A-EN-C
  • PLEASE NOTE: Item is unable to be shipped to state of California
SaleNo. 18
AYCHLG 18KW Up to 10000 Gallons Mini Swimming Pool Heater Thermostat for Swimming Pools, SPA Pools,Bathtubs,In-Ground Pools and Spas Above Ground Inground Pool,Needs Electrician GFCI
  • Note:Since pool heat pumps are machines that utilize electric heat technology, please email or call us if you encounter any problems (e.g., no heating ).1.316# stainless steel, Best in its class,the temperature ranged from 71.6 °F-122 °F (22 °C-50 °C)
  • 2.65000 Btu/Hr heating capacity, 18KW
  • 3.Suitable for pools up to 10000 gallons in coastal climates
  • 4.Suitable for ALL Hot Tubs,Above Ground Inground Pool Swimming Pool.
  • 5.240 Volts 75A - 60 HZ American Voltage.Use With Water Pump.
SaleNo. 19
SunHeater S120U Universal Solar Pool Heater 2 by 20-Feet, Black
  • Simple DIY installation; for in ground or above ground pools
  • Installs on roof, rack, ground or fence
  • Patented web design for maximum exposure to sun's rays
  • Uses existing pool pump
  • Raises pool water temperature 6-10 degrees F
  • Additional kits or plumbing may be required.
No. 20
ECOPOOLTECH Pool Heater for Above Ground Pool and Inground Pools, Max Output 38864BTU/hr Up to 10000gallons Electric Swimming Pool Heat Pumps, 208V~230V/60Hz Inverter Technology
  • Extend Your Swim Season & Fun* Nothing beats a warm pool for your kids, pets and the whole family! The EU100 pool heat pump is recommended to operate within the ambient temperature range of above 20°F and below 100°F, under optimal operating conditions can heat the water temperature to 105F, making it an ideal choice for extending the swimming pool season for months
  • Inverter heating system* By using Inverter technology, the compressor speed and working frequency can be automatically adjusted according to changes in water temperature, ensuring that the machine always operates at the best energy efficiency.
  • Save Money* Base on heat pump technology plus Inverter system, the EU100 heat pump absorbs energy from the air molecules and transfers it into the water. So the operation only requires very limited electric input, hence its high efficiency and heat conversion rate can reach a score of COP 5.5. In other words, for every cent of electricity spent, 4.7 times heat is generated!
  • Available for Above & in-Ground Pools* Max output 38864BTU/hr, the Pool heat pump EU100 is Ideal for Above Ground Pools with up to 10000 gallons of water, or in-ground pools up to 8000gallons. (Please refer to the temperature map of the United States to chose the appropriate model).
  • Easy operation* The intelligent control IC automatically maintains the swimming pool at your desired temperature. Once it starts running, you don't need to adjust any settings, just enjoy a warm and comfortable swimming pool.

How to choose a good in ground pool heaters

Does the idea of finding a fantastic in ground pool heaters make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in in ground pool heaters. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top in ground pool heaters products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top in ground pool heaters on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top in ground pool heaters brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top in ground pool heaters based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the in ground pool heaters were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good in ground pool heaters, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your in ground pool heaters.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting in ground pool heaters for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our in ground pool heaters. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what in ground pool heaters should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on in ground pool heaters.