10 Best Above Ground Pool Heater of December 2025
List of Top Rated Above Ground Pool Heater from thousands of customer reviews & feedback.
Updated On Dec 2025
1,712 Reviews Studied
1
CalPalmy Immersion Heater | Submersible Water Heating with Stainless-Steel Guard and Thermostat | Heats 5 Gallons of Wat... Read Review
- Twice the Power: Heat water faster with our 1800-watt water heater and within minutes the water (About 5 gallons) will be noticeably warmer. (Warning: - When heated, it is prohibited to put a hand in the water to test the temperature, one needs to always unplug first before touching the water - It is required to fully immerse the heater in water to avoid any potential fire hazard).
- 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 499 Standard certified 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!
2
XtremepowerUS Inground/Above Ground Swimming Pool Solar Panel Heating System 28" X 20' Read Review
- 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
3
Hayward GLC-2P-A Solar Pool Heating Control System with 3-Way Valve, Actuator and 2 PC Sensors Read Review
- Solar pool heating control system comes with 2 by 2-1/2-inch 3-way valve, actuator and 2 PC sensors
- Automatically maximizes solar heat collection by actuating a 24V valve when there is solar heat available
- Includes LED indicators that shows status of system operations
- This system provides recirculation freeze protection and installer-programmable features for any-system adaptability
- Quick, accurate, easy-to-set desired temperature controls
4
1500W Immersion Heater, Gesail UL-Listed Bucket Water Heater with 304 Stainless-steel Guard, Submersible Bucket Heater w... Read Review
- High Power: 1500W, 120V travel immersion water heater, High power for quickly heating, heats 5 gallons of water in few minutes, portable immersion heater will heat water continuously over 180 degrees F and towards boiling(It can't boil water).greatly saving your time.
- Thermostat and Auto Shut off - The middle stainless steel tube contains a thermal overload safety switch, when water reaches a certain temperature(about 180-194 degrees F), immersion heater for water can automatically cycle on and off to maintain water temperature. It will not overheating and save power.Dry burning will auto shut off power to avoid catching fire.
- 304 Stainless-steel Guard - The heavy duty 304 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 the water bucket heater is on. then the portable water heater starts working. Warning: the cord and handle can't be submerged in water.
- UL-Listed against to the US safety standards, 12-month warranty. Package included: 1 pack bucket heater + Manual.
5
Smartpool WWS421P Sunheater Solar Pool Heater for Above Ground Pools,Black Read Review
- 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
6
SmartPool S240U Pool Solar Heaters Read Review
- SOLAR POOL HEATER – The SunHeater Solar Pool Heating System allows you to capture free heat from the sun’s rays to effectively raise your pool water temperature. It’s an efficient and cost-effective method to heat your pool.
- EXTENDS POOL SEASON – Your pool’s pump pushes the water through the panel’s many tubes where it’s warmed by the sun and then returned into the pool. This system can raise the water temperature 6-10 degrees F and extend your pool season by weeks!
- EASY TO INSTALL – This pool solar heater uses your existing filtration system and has 4 end caps, 2 elbows for flex hose connection, 6 stainless steel hose clamps, 1 roll of Teflon tape, and rubber connector hoses.
- TUBE ON WEB DESIGN – The tube-web-tube design allows the SunHeater to capture the most sun possible, maximizing square footage. It offers rigid flexibility, allowing panels to expand and contract with changing temps, giving it the strength needed to last.
- DIMENSIONS – The SunHeater Solar Pool Heater includes two 2’ x 20’ panels, made of durable polypropylene. It’s a universal system that works for pools up to 31’ round or 18’ x 36’.
7
CalPalmy Yellow Immersion Water Heater | One Submersible + One Floating Heater Boiler Heats 5 Gallons of Water in Minute... Read Review
- Twice the Power: Heat water faster with our 1800-watt water heater and within minutes the water (About 5 gallons) will be noticeably warmer. (Warning: The heater needs to be fully immersed in water in its working condition and do not plug two heaters on the same outlet to avoid any potential fire hazard).
- The Special Safe Feature: The heater stays floating while working to ensure the heating element never touches the bottom of the pool or tub.
- Easy to Use: Fully submerge the UL 499 Standard certified heater in a bucket, small 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!
8
Beluga Pool Solutions 1652 Solar Heating Device for Swimming Pool Read Review
- Heat your pool with a garden hose
- Save hundreds on your energy bill
- Easily connects to a standard 1 1/2" return fitting on above ground or in ground pools
- Increase the comfort and extend the swimming season of your pool
- Economical alternative to gas or electric heating
9
Immersion Heater, Kingwork UL-Listed Portable Water Heater with Thermostat and Auto Shutoff Function, Submersible Bucket... Read Review
- Quick Heating Speed: 1000w 120v electric bucket heater for water only, high power ensures a quick heating speed, heats 5 gallons of water in minutes, use for cold weather and travel. Perfect for winter time jobs.
- Thermostat and Auto Shut off: The stainless steel tube contains a thermal overload safety switch, when the heating element reaches about 190 degrees F, bucket heater with thermostat can automatically cycle on and off to maintain water temperature to save power. dry burning will auto shut off power to avoid catching fire.
- 304 Stainless-steel Guard: The high quality 304 stainless-steel guard on the portable immersion heater protects the heating element from directly contacting persons or animals. the holes on the guard will 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 travel immersion water heater is on. It will heat water continuously over 180 degrees F and towards boiling. make sure the container designed to contain boiling water.
- UL-Listed against to the US safety standards, 12-month warranty. Package included: 1 pack bucket heater + Manual.
10
Smartpool S601P SunHeater Solar Heating System for In Ground Pool Read Review
- 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)