The Best Swimming Pool Heaters

Looking for the best Swimming Pool Heaters?

Discover now our comparison of the best Swimming Pool Heaters. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Swimming Pool Heaters are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Swimming Pool Heaters in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

Aquastrong 18,000 BTU Swimming Pool Heat Pump Electric Pool Heater for Above Ground Pools Up to 6,500 Gallons, Heating and Cooling Pool Heater 120V

All-Season Pool Comfort: Featuring innovative dual-mode temperature control, this heat pump precisely heats water between 59–104°F or cools it within 59–83°F. By maintaining consistent thermal regulation, it extends swimming seasons by up to 6 months while delivering year-round comfort for pool enjoyment.
Professional Thermal Performance: Featuring a 18,000 BTU high-output heating module, this 4-season system is designed for 6,500-gallon pools. The precision thermostat maintains ±2°F temperature accuracy by continuously monitoring ambient conditions, ensuring consistent comfort throughout the year.
Energy Efficiency Redefined: With a high 5.5 COP, this ultra-efficient heat pump employs a powerful engine to ensure consistent energy savings. In comparison with conventional electric heating, it slashes energy consumption by 70% and provides 40% more savings than natural gas alternatives.
Quiet Operation & Defrost: With ultra-quiet technology, the operating sound is maintained at 38 dB, which is quieter than a whisper. You can enjoy the comfort brought by the heat pump heating without being affected by any noise.Intelligent auto-defrost system that automatically removes ice buildup without manual intervention.
Easy to Assemble: This heat pump comes with both 1.25" hose adapters and 1.5" conversion kits for easy installation, completed in under 10 minutes. The panel supports multi-mode smart control, complemented by a 3-year comprehensive warranty and lifetime technical support.

No. 2

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
Gas powered and suitable for use with swimming pools and spas

No. 3

Hayward W3H150FDN Universal H-Series 150,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas

The Hayward Universal H-Series 150,000 BTU Natural Gas Heater delivers premium heating performance for years of reliable, long-lasting comfort
A durable cupro nickel heat exchanger offers exceptional protection against corrosion and premature failure caused by unbalanced water chemistry
Industry-leading hydraulic design reduces circulation pump run time to provide major energy savings
Front-panel-only access and intuitive control pad provide easy operation, service and maintenance
Low NOx emissions meet air quality standards in all low-NOx areas, ensuring low environmental impact

SaleNo. 4

Laboomkey 2000W Immersion Water Heater,Portable Bucket Heater with Digital LCD Thermometer, Stainless Steel Guard Anti-scalding Submersible Water Heater for Pool Bathtub,UL Listed

【Fast Heating 】: The immersion water heater is rated at 2000W and operates at 110-125V AC. Porous design with good thermal conductivity. It will quickly heat 5 gallons of water with high power in a few minutes(longer in winter).If too much water is heated it takes more time or more than two products are used at the same time
【Safety And Practicality】: This UL-recognized immersion portable hot tub heater is equipped with a 304 stainless steel shield that prevents direct contact between the internal heating element and people or animals, making it safer to use and preventing burns.Heat dissipates to the water faster by flowing through the holes in the guard.our upgrade design ensures optimal performance.It is recommended not to use it continuously for more than three hours and never forget to unplug it
【Widely Used】: The immersion water heater can be used not just for small inflatable swimming pools（better results with more than two heaters working at the same time），but also for hot tubs, bathtubs, buckets,camping shower,farm animals’ water, window washing water and more.But not suitable for large pools
【Easy To Use】:Take Electric Submersible water heater immerse in water at proper level,Plug into any grounded 120V AC outlet.with a digital LCD thermometer, easy to measure water temperature. Check power indicator light to make sure immersion water heater is working .Please note: people and animal can't be in the water while the heater is working
【After Sales】: Before using the immersion water heater, please read the instructions carefully and follow the precautions. If you are experiencing problems using the product or if the product does not meet your expectations please feel free to contact us

No. 5

16184 BTU Pool Heater, for 6000 Gallons Above Ground Pools,Swimming Pool Heaters,120V/60Hz with Digital Display Multi-Protection

【The Perfect Choice for Above-Ground Pools 】- Designed specifically for above-ground pools, our pool heater operates efficiently in outdoor temperatures ranging from 40ºF to 110ºF. With a maximum output of 16,184 BTU/hr, it’s ideal for above-ground pools up to 6,000 gallons.
【Powerful & Efficient Heating 】- Featuring a high-performance compressor, our pool heat pump delivers a heating capacity of 16,184 BTU/hr. The pure titanium heat exchanger ensures durability and corrosion resistance, while the smart control system maintains a steady pool temperature. Plus, the built-in 4-way valve enables automatic defrosting for consistent operation in cooler conditions.
【Advanced Safety Features 】- Safety is our priority. Our pool heater comes with a child lock and an advanced protection system to safeguard against electrical leakage, voltage fluctuations, extreme temperatures, and compressor overheating, ensuring peace of mind while you enjoy your pool.
【Quick & Easy Setup 】- No need for professional installation! Our heat pump pool heater is designed for simple DIY setup—just connect a few fittings, plug it in, and you’re ready to go. The intelligent control system keeps your pool at your desired temperature automatically, so you can sit back and enjoy warm, comfortable water without constant adjustments.
【Extend Your Swimming Season】-Built to maximize your pool enjoyment, this pool heater efficiently warms above-ground and small in-ground pools, even in ambient temperatures as low as 40ºF. Capable of heating water up to 110ºF, it helps extend your swimming season for months, letting you enjoy your pool well beyond summer.

No. 6

Raypak 014779 PR106AENC 105000 BTU Natural Gas Pool Heater

Polymer headers prevent rust stains on your pool or spa surface
All-Copper-Fin-Tube Heat Exchanger; Made from a single piece of extruded copper
Delivers uninterrupted heating performance regardless of falling leaves, wind, airborne debris, rain, downdrafts, updrafts, sleet, snow, etc
Doesn't require fans to combat drafting problems

No. 7

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

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

No. 8

Varpoolfaye Electric Pool Heater Pump 5000 Gallon 120v Pool Heaters for Above Ground Pools 16000 BTU Swimming Pool Heat Pump WiFi Control Heat Or Cool Spa Heater Pump

Optimal performance: Max output of 16000 BTU and COP up to 4.3, Varpoolfaye pool heater pump can heat above or inground pool up to 5000 gallon. Stay comfortable with heating from 59-104°F and cooling from 46-82°F
Dual mode and WiFi control: Electric above ground pool heater has both heating and cooling mode, providing versatility to adapt to various weather conditions. The WiFi connectivity allows you to set the heater details or timed on/off from anywhere at any time
Low consumption: 120v pool heater utilizes a minimal amount of electricity to absorb heat from the surrounding air and transfer it to your pool water, effectively maintaining the desired water temperature and low electric bill
Silent running: With a noise level of only 50dB, pool heater ensures a peaceful and relaxing swimming experience, allowing you to fully enjoy your time in and around the pool
Easy setup: The Varpoolfaye pool heat pump comes with DN32-38 mm connector*2, a power cord, making installation quick and hassle-free. In case of any questions or concerns, refer to the user manual or online store for support

No. 9

Varpoolfaye Pool Heaters for Above Ground Pool 16000 BTU Swimming Pool Heater Pump 5000 Gallon Heating or Cooling Mode WiFi Control Timer 120V 60Hz

Impressive performance: Pool heater pump with a high-power compressor, titanium heat exchanger max output of 16000 BTU for above pool up to 5000 gallons, heat from 59-104°F and cool from 46-82°F
Multi-Season use and WiFi control: Electric pool heater has both heating and cooling mode, allowing us to extend swimming season by months and adjust settings via WiFi and set timed on/off anywhere by a mobile app
Engineering research and development: Limited electrical input, achieving a COP of 4.3, 120v pool heater absorbs energy from the air and transfers it to the water, whether fresh or salt water
Quiet operation: Equipped with additional soundproofing, above ground pool heater operates at a low 50dB noise level, allowing us to enjoy a peaceful experience
Easy installation: Pool heater comes with two DN32-38 mm connectors and a 118 inch power cord, making installation a breeze. For any inquiries during use, refer to the manual or our store for assistance

SaleNo. 10

Immersion Water Heater 2Pack, Portable Electric 304 Stainless Heaters with Guard Cover - LCD Thermometer for Above Ground Inflatable Pool Tub Buckets Motorhome Camping Outdoor

5 & Safe: 1.Rust Proof 304 Stainless Steel Guard 2. Power Indicator 3. thicker copper cord 4. Auto Shut-Off 5. Better insulation and airtightness. Please note if using in outdoor Inflatable swimming pool one should not be enough and not suggest to use for big swimming pool
Efficient Heating: 1500W high-power immersion Water heater can make 5 gallons of water warm in a few minutes. Before inserting the heater, please make sure that the heater is completely immersed in the water then connect the 120v/110v power supply. While camping can bring this portable bucket heater and can enjooy shower even outside. You no longer need to wait for a long time for warm water, you can enjoy hot water in just a few minutes
Widely Use--- 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.This immersion heater is handy and super lightweight, making it perfect for travels and road trips.
Safety Tip: Make sure completely immersed in water in working condition. Please do not plug the two heaters into the same outlet.. Please take out the heater before touching the water! Do not ever use this immersion heater for inflatable and bathtub to heat. While using water don’t put your hand into the liquid when the electric water heater is plugged in.The protection plug of leakage is not a power switch.Make sure the water level is enough before use. Read the instructions carefully before using
Package Included--- 2 pack bucket heater + 2 digital thermometer + 2 Manual + 2 steel wool + 2 sand paper.

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Last update on 2025-05-21 / Affiliate links / Images from Amazon Product Advertising API

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