10 Best Pool Heater of December 2025

• 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

Beluga Pool Solutions

• 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
• Power Source Type: Manual
• MADE IN USA

SunHeater

• 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

SmartPool

• 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’.

SmartPool

• LIQUID HEAT SHIELD – Sunheater Liquid Heat Shield helps your pool retain heat by forming an ultra-thin, invisible barrier on top of your pool water that reduces evaporation, the main cause of pool water heat loss.
• SAFE FOR SWIMMERS – The non-toxic, odor-free formula is 100% safe for both swimmers and pool equipment.
• EXTENDS SWIMMING SEASON – Sunheater Liquid Heat Shield is better than a solar blanket! There’s no messing around with cumbersome blankets and reels, but it can still extend your pool season by keeping the water warmer for longer.
• SAVES CHEMICALS – Not only does this liquid solar blanket for pools retain heat, but the reduced evaporation also helps reduce chemical loss.
• EASY TO USE – Simply add the amount designated for your pool using the easy-to-read markings on the bottle. Use just 4 oz for every 20,000 gallons of water.

SunHeater

• 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.

GESAIL

• High Power: 1000W, 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.

GESAIL

• 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.

KINGWORK

• 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.

GESAIL

• 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

American Standard