10 Best Pool Heaters 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing products, scanning reviews, spending more than 36 hours of research and speaking with our test users, we think the American Standard 9075.120 Safe-T-Heater is the one of the Best Pool Heaters on the market.

# Image Name Brand Price
1
⭐Best Choice
American Standard 9075.120 Safe-T-Heater
American Standard 9075.120 Safe-T-Heater Check price American Standard $$$$$ Check price
2
Best under $100
XtremepowerUS Inground/Above Ground Swimming Pool Solar Panel Heating System 28"
XtremepowerUS Inground/Above Ground Swimming Pool Solar Panel Heating System 28" X 20' Check price XtremepowerUS $$$$$ Check price
3 FibroPool FH120 Above Ground Swimming Pool Heat Pump FibroPool FH120 Above Ground Swimming Pool Heat Pump Check price Fibropool $$$$$ Check price
4
Best under $50
1500W Immersion Heater
1500W Immersion Heater, Gesail UL-Listed Bucket Water Heater with Heating Element, Submersible Heater with Thermostat and Auto Shutoff Protection, Perfect for Home Travel and Winter Job - Silver Check price Gesail $$$$$ Check price
5 Raypak 266 Raypak 266,000 BTU Digital Electronic Ignition Natural Gas Pool Heater Check price Raypak $$$$$ Check price
6
💲Best value for the money
CalPalmy Immersion Heater | Submersible Water Heating with Full Stainless-Steel
CalPalmy Immersion Heater | Submersible Water Heating with Full Stainless-Steel Guard and Thermostat| Heats 5 Gallons of Water in Minutes | Great for Small Bathtub,Inflatable Pool - U.S. Version Check price CalPalmy $$$$$ Check price
7 Smartpool S601P SunHeater Solar Heating System for In Ground Pool Smartpool S601P SunHeater Solar Heating System for In Ground Pool Check price SmartPool $$$$$ Check price
8 Smartpool WWS421P  Sunheater Solar Pool Heater for Above Ground Pools Smartpool WWS421P Sunheater Solar Pool Heater for Above Ground Pools Check price SmartPool $$$$$ Check price
9 Sun2Solar Blue 16-Foot-by-32-Foot Rectangle Solar Cover | 1200 Series Style Sun2Solar Blue 16-Foot-by-32-Foot Rectangle Solar Cover | 1200 Series Style | Heating Blanket for In-Ground and Above-Ground Rectangular Swimming Pools | Use Sun to Heat Pool | Face Bubble-Side Down Check price Sun2Solar $$$$$ Check price
10
👑Premium Pick
Raypak 406
Raypak 406,000 BTU Digital Natural Gas Pool Heater w/ Cupro Nickel | RAY-014941 Check price Raypak $$$$$ Check price

American Standard 9075.120 Safe-T-Heater – Best Overall Pool Heater

American Standard 9075.120 Safe-T-Heater
  • Whirlpool accessory
  • Maintain constant water temperature
  • Allows for longer, more relaxing soak
  • All American Standard whirlpools are pre-plumbed at the factory making them ready to accept the heater
  • Quick and easy two-step installation

XtremepowerUS Inground/Above Ground Swimming Pool Solar Panel Heating System 28" – Best under $100

XtremepowerUS Inground/Above Ground Swimming Pool Solar Panel Heating System 28"
  • XtremepowerUS Panels are built from extremely high-grade materials that are proven to last in all types of weather
  • Pools pump and filter system circulates pool water through the SOLAR PANELS when it is heated & then returned to your pool. Once installed, these panels are cost effective, produce no greenhouse gases, and need low to no maintenance. Extend your swimming this year at a low cost with the help from the sun!
  • System is designed to be used on above-ground or in-ground pools. Each kit is made of - 2' x 20'ft panels. Each panel is made of lightweight, flexible, durable black polypropylene. The panel tube construction creates a larger surface area which optimizes heat transfer from the sun to your pool
  • Quantity of these solar panels needed is dependent on the pool size and the location, which may estimate by some websites.
  • Diverter kit may be required for pumps 1.5hp and greater. Sold separately under item number B01FNE41HA

FibroPool FH120 Above Ground Swimming Pool Heat Pump

FibroPool FH120 Above Ground Swimming Pool Heat Pump
  • 120 Volt, 60Hz, 10A draw
  • Built in 8 foot long power cable with standard USA plug
  • Suitable for pools up to 7500 gallons in coastal climates
  • Plug into an GFCI protected outlet

1500W Immersion Heater – Best under $50

1500W Immersion Heater
  • High Power: 1500W, 120V immersion water heater, heat 5 gallons of water in few minutes, depending on the volume of the water, the original water temperature and container. It will heat water continuously over 180 degrees F and towards boiling(It can't boil water).Please don't use extention cord
  • Thermostat Feature - The middle stainless steel tube contains a thermal overload safety switch, when water reaches a certain temperature(about 180-194 degrees F), it can automatically cycle on and off to maintain water temperature. It will not overheating and save power.
  • Guard - The stainless-steel guard on the electric bucket heater protects the heating element from directly contacting persons or animals. The holes on the guard help release heat into the water faster.
  • Simple Operation - Immerse in water at proper level. Plug into any grounded wall outlet. Check power indicator light in plug to make sure unit is on. Please don't use extension cord.
  • Safety and Widely Usage: UL-Listed, this bucket heater is safe for use in all pails, buckets and bathtubs, perfect for home, travel and winter time job.

Raypak 266

Raypak 266
  • 266,000 BTU natural gas digital pool and spa heater
  • Microprocessor-controlled thermostat can be set precisely to your liking , set it and forget it
  • Cabinet and the internals are non-corrosive and rust resistant
  • Features PolyTuf powder coating, polymer headers, and an all copper-fin-tube heat exchanger
  • Also features a stainless steel tube sheet, 2 inch CPVC water connections, burner tray and fire tile

CalPalmy Immersion Heater | Submersible Water Heating with Full Stainless-Steel – Best Budget Pool Heater

CalPalmy Immersion Heater | Submersible Water Heating with Full Stainless-Steel
  • Twice the Power: Heat water faster with our 1800-watt water heater and within minutes the water (About 5 gallons) will be noticeably warmer. (Please do not plug two heaters on the same outlet).
  • Rust Proof Stainless Steel Guard: The protective guard ensures no direct exposure to the heating element by people or pets. Heat dissipates to the water faster by flowing through the holes in the guard.
  • Easy to Use: Fully submerge the UL-listed heater in a bucket, tub or trough of water and plug into a grounded 120v plug. You can submerge the handle and cord. Feel the difference in a few minutes!
  • Widely Application: The immersion water heater can be used in water, especially fit for heating water in large size container like bucket, basin, bath tub, mini inflatable swimming pool, etc.
  • For any Cold Weather Application: Heat your farm animals' water, your tiling water on the job site, car wash bucket, pail of bath water in a tiny home or camper, window washing water and more! WARNING: Remove the heater before touching the water and please do not continuously use for over 4 hours!

Smartpool S601P SunHeater Solar Heating System for In Ground Pool

Smartpool S601P SunHeater Solar Heating System for In Ground Pool
  • 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)

Smartpool WWS421P Sunheater Solar Pool Heater for Above Ground Pools

Smartpool WWS421P  Sunheater Solar Pool Heater for Above Ground Pools
  • Keep your pool warm with a polypropylene heat collector
  • Solar heater features 80 square feet of solar panels
  • Pool accessory is perfect for heating any aboveground swimming pool
  • Panel array measures 4 feet wide x 20 feet long

Sun2Solar Blue 16-Foot-by-32-Foot Rectangle Solar Cover | 1200 Series Style

Sun2Solar Blue 16-Foot-by-32-Foot Rectangle Solar Cover | 1200 Series Style
  • ATTRACTIVE BLUE DESIGN - Sun2Solar solar blankets are made from a film of thousands of tiny bubbles, which work together to collect and retain heat both at night and on those chilly days. The blue color provides an appealing look while also using the sun's rays to help warm your swimming pool.
  • MINIMIZE WATER EVAPORATION - The use of a solar cover helps in preventing up to 95% of pool water evaporation. When not enjoying a refreshing swim, keeping your pool covered lessens the vast amount of water lost into the environment. Fill up your swimming pool less and enjoy it more!
  • JUMP INTO WARMTH - Show friends and family your bravery by jumping in without the standard toe dip. Enter the swimming pool confidently knowing the Sun2Solar solar cover has kept the water warm just for you. It's easy to put on and take off allowing more time for showing off.
  • HEAT RETENTION - After everyone has called it a day with wrinkled fingers from too much fun in the sun, make sure to place this solar cover back atop the water. Don't lose all of that warmth generated throughout the day when the sun sets. Assure your pool's temperature does not drop too much by protecting it at night through use of a solar blanket.
  • TRIM TO FIT - Your pool may be uniquely shaped and getting the right fit is as easy as finding a marker and sharp pair of scissors. Have the bubbles facing down to the water and trace a line on the cover showing where you should cut off the additional material. Do so confidently knowing this won't affect the manufacturer's warranty---they understand.

Raypak 406 – Premium Pick

Raypak 406
  • Constructed with the highest quality integral Cupro nickel fin tube available which helps the unit stand up to the harshest of applications, like low pH, high flow or heavy use
  • Digital control with LCD display for temperature selection and heater settings
  • Capron resin headers prevent rust stains from harming pool surface
  • Plumb directly from provided 2 inch PVC threaded union
  • Smart microprocessor controls diagnostic read out and continuously monitors operating status

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