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Updated: 25 Nov 2025

10 Best Pool Heaters

#1
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Varpoolfaye 46000 BTU Swimming Pool Heat 8000 Gallon Electric Pool Heater for Above Ground Pool 2KW Heating Pool Heater

Brand: Varpoolfaye
$9.99
⭐ 4.1
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    Lightning-Fast Heating:Boil water in minutes with our high-efficiency 2000W electric heating rod, perfect for quick coffee, tea, or cooking needsno waiting for stovetops or kettles.
  • Advanced Safety Features:Built-in auto shut-off and overheat protection ensure worry-free use. Durable stainless steel construction resists rust and corrosion for long-lasting performance.
  • Compact & Portable Design:Lightweight and space-saving, ideal for dorm rooms, offices, travel, or camping. Easily heats water in cups, mugs, or small pots (adjustable length up to 10 inches).
  • Energy-Efficient Operation:Saves electricity compared to traditional kettlesheat only the water you need.
  • Multi-Purpose Convenience:Use for instant noodles, soups, sterilizing utensils, or emergency hot water.
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#2
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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

Brand: SunHeater
$437.30
⭐ 4.7
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    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 6-10F (4-6C)
  • Installation kit required (Sold Separately)
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#3
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SunHeater S120U Universal Solar Pool Heater 2 by 20-Feet, Black

Brand: SunHeater
$342.35
⭐ 4.7
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    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
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#4
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Immersion Water Heater 3000W for Pool Bathtub Bucket, Portable Electric Heater Stainless Steel Guard for Home Outdoor Travel Camping (with Smart Timer)

Brand: SOYEN
$55.99
⭐ 4.1
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    High performance The immersion heater can heat the water in a few minutes after it has been immersed in the water. 3000W high performance, fast heating up, shut down regularly, safe and protected! (: 018451081 ,)
  • Safe and durable 304 stainless steel protective cover. High quality conductive copper wire. Good airtightness to avoid short circuits and electric shocks. We choose high-performance water heating elements based on rigorous testing, a service life of more than 10,000 hours, a robust structure and excellent technology to ensure high quality, durability and reusability.
  • Warning The heater must be completely immersed in water when in operation. Do not use it continuously for more than 3 hours! Please do not connect the two heaters to the same outlet to avoid fire hazard. Please take out the heater before touching the water!
  • Intelligent timing Heating Press the set button to start setting the time, set the duration with the plus and minus buttons, confirm the duration with the set button and the control lamp lights up to start heating.
  • Scope of application Immersion heaters can be used in a variety of containers, plastic swimming pools, wooden containers, bathtubs, plastic buckets, inflatable bathtubs (metal containers and thermos flasks cannot be used). You don't have to worry about your plastic barrels being melted by the heat pipe as they have a shell and they never touch.
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#5
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vidaXL Solar Heated Pool Water Panel - 80x620cm - Temperature Increase up to 10 Degrees - Suitable for Most Pool Pumps - Polyethylene Construction

Brand: vidaXL
$221.99
⭐ 5
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    Increases pool temperature by up to 10 degrees for improved comfort
  • Compatible with most pool pumps, suitable for hose Diameter 32mm and 38mm
  • Constructed with 100% Polyethylene, highly durable and long-lasting
  • Easy to install, can be laid on the ground or mounted on a roof/rack
  • Solar pool heater panel, measures 80 x 620 cm for wide coverage
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#6
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2500W Immersion Water Heater, Cadrim Constant Temperature Model Electric Submersible Water Heater, Stainless Steel Guard Cover and Built in Digital LCD Thermometer, Home Instant Water Heater

Brand: Cadrim
$39.99
⭐ 4.4
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    Heating Water in MinutesWith advanced thermal components, this 2500W immersion water heater makes water heating more efficiency and boil about 30 L of the water in minutes. Easy to use as all you need to do is just put the submersible water heater in to the water then connect the 220V power supply.
  • Constant Temperature Function2500W high-power thermostatic water heater, two heating modes, automatic power off after reaching the set temperature, temperature setting with power off memory function, with real-time temperature detection without external thermometer. Suitable for heating containers of different sizes, such as buckets, basins, tubs, mini inflatable swimming pools, also ideal for travel and road trips.
  • High Quality and SafetyWith ABS outer and anti-rust high-quality stainless steel protective cover, the submersible water heater will effectively prevent the heating element from directly contacting people or animals, and dissipate heat into the water faster through the holes in the protective cover.
  • Widely ApplicationCadrim portable immersion water heater is suitable for most occasions, such as portable bathtub, pool heater, pond heater, water trough heater, bucket heater. Especially fit for heating water in large size container like bucket, basin, bath tub, mini inflatable swimming pool, etc. Note: it is not suitable for direct heating in a thermos.
  • Warm TipsPlease take out the heater before touching the water! Please do not plug the two heaters into the same outlet to avoid fire hazards. Do not use it for more than 3 hours continuously! Please make sure that it is completely immersed in water when it is working, otherwise it will cause partial dry-burning of the product (this may melt the plastic on the top and cause fire)!
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#7
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11KW Pool Heater Swimming Heat Pump Water Thermostat with Touchscreeen for Above Ground Inground Pool Spa Bathtub with High Heating Efficiency(15KW)

Brand: JAJAJ
$575.31
⭐ 5
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    1. It can be used for massage pool,spa pool andswimming pools, also be used for auxiliaryheating of pool heat pumps
  • 2. Digital display intelligent temperature control, the temperature is automatically controlled
  • 3. The temperature can be set to 45 C
  • 4. The water switch ensures that the heater is activatedin the case of water fow
  • 5. Product dimensions:18.7 x 3.93 x 13.77 inches
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#8
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Bestway 4KW Pool Heater

Brand: Bestway
$905.00
⭐ 4.6
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    Energy efficient heating
  • Temperature regulation for extended pool use
  • Keep your pool water warm
  • Designed with durability
  • Feature anti-corrosin titanium heat exchanger
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#9
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Varpoolfaye 26000 BTU Swimming Pool Heat 8000 Gallon Electric Pool Heater for Above Ground Pool 2KW HeatingPool Heater

Brand: Varpoolfaye
$9.90
⭐ 4.7
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    Lightning-Fast Heating:Boil water in minutes with our high-efficiency 2000W electric heating rod, perfect for quick coffee, tea, or cooking needsno waiting for stovetops or kettles
  • Advanced Safety Features:Built-in auto shut-off and overheat protection ensure worry-free use. Durable stainless steel construction resists rust and corrosion for long-lasting performance.
  • Advanced Safety Features:Built-in auto shut-off and overheat protection ensure worry-free use. Durable stainless steel construction resists rust and corrosion for long-lasting performance.
  • Compact & Portable Design:Lightweight and space-saving, ideal for dorm rooms, offices, travel, or camping. Easily heats water in cups, mugs, or small pots (adjustable length up to 10 inches).
  • Energy-Efficient Operation:Saves electricity compared to traditional kettlesheat only the water you need.
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#10
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Intex 28685E 47 Inch x 47 Inch Solar Pool Water Heater Mat for 8,000 Gallon Above Ground Swimming Pool with Hose Attachment and Adaptors, Black

Brand: INTEX
$59.95
⭐ 4.7
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    Solar heater mat uses solar technology to increase the temperature of the pool water by approximately 5 to 9 degrees depending on the weather
  • Features an 11-square-foot surface to absorb the sun's rays to heat up above-ground pools; Dimensions (L x W): 47.25 x 47.25 inches (flat)
  • Simple and economical to use, compatible with filter pumps with up to 1/3 HP or a pump flow rate less than 2,000 GPH; Weight: 6.41 pounds
  • Includes a 1.25-inch hose attachment point, a bypass valve, 1 adaptor A, and 1 adaptor B for a 1.50-inch hose connection
  • Constructed of heavy-duty UV stabilized PVC; Suitable for above-ground pools up to 8000 gallons; Folds for compact winter storage
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