Pool Heaters & Heat Pumps
Best Heat Pump Swimming Pool Heater (2026): Top 4 by the Specs
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For a heat pump swimming pool heater, the MICOE 58,000 BTU unit leads this list for pools up to 16,500 gallons, with app control and heating and cooling modes. The VEVOR unit offers 93,390 BTU for pools up to 22455 gallons, while the POOLTOHOT unit offers 90,000 BTU for pools up to 28,000 gallons. The Varpoolfaye unit suits above-ground pools up to 3,500 gallons at 13,000 BTU.
Starting out? See the main guide: Best Pool Heater
Top picks at a glance
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Best OverallMICOE 58,000 BTU Pool Heat Pump9.8 View on Amazon -
9.5 View on Amazon -
Most Heat OutputVEVOR Pool Heat Pump Max 93390 BTU9.5 View on Amazon -
9.2 View on Amazon
Compare the specs
Ranked on heat output, phone app control from each listing, plus how many buyers have rated it. A dash (—) means we could not confirm that figure from the listing.
| Pick | Heat output | Phone app control | Weight | Warranty |
|---|---|---|---|---|
| 1. MICOE 58,000 BTU Pool Heat Pump | 58,000 BTU | Yes | — | — |
| 2. POOLTOHOT Pool Heater for Inground Pools | 90,000 BTU | Yes | 179 lb | 3-year |
| 3. VEVOR Pool Heat Pump Max 93390 BTU | 93,390 BTU | Yes | 195.11 lb | — |
| 4. Varpoolfaye 3500 Gallon Electric Pool Heat Pump | 13,000 BTU | Yes | — | — |
MICOE 58,000 BTU Pool Heat Pump
It pairs 58,000 BTU with app control, heating from 46°F to 104°F, cooling from 45°F to 82°F, and a titanium heat exchanger.
- Heat output: 58,000 BTU
- Phone app control
Good for
- Buyers with pools up to 16,500 gallons
- Buyers who want heating and cooling modes
Skip it if
- You need heating for more than 16,500 gallons
- You need outdoor operation below 32°F
It uses air-source heat pump technology with an inverter and a titanium heat exchanger for freshwater and saltwater systems. The app and onboard digital panel control heating from 46°F to 104°F and cooling from 45°F to 82°F, with auto-defrost for colder weather. It operates in outdoor temperatures from 32°F to 109°F at 52 dB, and the ABS cabinet resists UV exposure, corrosion, fading and cracking.
POOLTOHOT Pool Heater for Inground Pools
It pairs 90,000 BTU with WiFi app control, heating from 47°F to 109°F, cooling from 47°F to 83°F, and a titanium heat exchanger.
- Heat output: 90,000 BTU
- Phone app control
- 3-year warranty stated
Good for
- Buyers with pools up to 28,000 gallons
- Buyers who want WiFi app control and auto-defrost
Skip it if
- You need heating for more than 28,000 gallons
- You want a unit under 179 lb
It uses a compressor and valves with a titanium heat exchanger and R32 refrigerant for pools up to 28,000 gallons. WiFi app control adjusts temperature and schedules through a touch panel, and auto-defrost runs during freezing weather. It operates at 50 dB, weighs 179 lb, and carries a 3-year warranty.
VEVOR Pool Heat Pump Max 93390 BTU
It offers 93,390 BTU with WiFi app control, a titanium heat exchanger, and operation from 5°F to 109°F.
- Heat output: 93,390 BTU, the most here
- Phone app control
Good for
- Buyers with pools up to 22455 gallons
- Buyers who want WiFi control and silent mode
Skip it if
- You need heating for more than 22455 gallons
- You want a unit under 195.11 lb
It uses a full DC inverter compressor with a spiral titanium heat exchanger and a pure copper evaporator, with R32 refrigerant. WiFi and app control adjust heating, cooling, silent mode, water temperature and timers, with automatic defrost. It operates from 5°F to 109°F at 50 dB, with low and high pressure protection and water flow protection, and it weighs 195.11 lb.
Varpoolfaye 3500 Gallon Electric Pool Heat Pump
It offers 13,000 BTU for above-ground pools up to 3,500 gallons, with WiFi app control and heating and cooling modes.
- Heat output: 13,000 BTU
- Phone app control
Good for
- Buyers with above-ground pools up to 3,500 gallons
- Buyers who want WiFi control from a phone
Skip it if
- You need heating for more than 3,500 gallons
- You want heating above 104°F
It uses a compressor and a titanium heat exchanger for fresh or saltwater pools, with a 4.3 COP. WiFi app control adjusts temperatures, switches modes and schedules on and off times. It operates at 50 dB, includes two DN32 to 38 mm universal connectors and a 118-inch power cord, and pairs with a pump pushing 700 GPH of flow.
How to choose
Match BTU and gallons to your pool
Heat output and pool size decide the fit. The MICOE unit gives 58,000 BTU for pools up to 16,500 gallons, the POOLTOHOT unit gives 90,000 BTU for pools up to 28,000 gallons, the VEVOR unit gives 93,390 BTU for pools up to 22455 gallons, and the Varpoolfaye unit gives 13,000 BTU for pools up to 3,500 gallons. Compare those two figures with your pool before choosing.
Heating and cooling ranges
Every unit here heats and cools, but the ranges differ. The MICOE unit heats from 46°F to 104°F and cools from 45°F to 82°F, the POOLTOHOT unit heats from 47°F to 109°F and cools from 47°F to 83°F, and the Varpoolfaye unit heats from 59°F to 104°F and cools from 46°F to 82°F. Check the range against the water temperatures you want through the season.
App control and upkeep
All four units offer phone app control, so temperature, modes and schedules can change without walking to the unit. A pool cover helps retain heat, and dripping water from the Varpoolfaye unit is normal condensation from heat exchange and defrost cycles.
FAQ
What size pool heater do I need?
Match the BTU and gallon figures to your pool. The Varpoolfaye unit fits pools up to 3,500 gallons, the MICOE unit fits pools up to 16,500 gallons, and the POOLTOHOT unit fits pools up to 28,000 gallons.
Do these heaters also cool the pool?
Yes. All four units heat and cool. The MICOE unit cools from 45°F to 82°F, the POOLTOHOT unit cools from 47°F to 83°F, and the Varpoolfaye unit cools from 46°F to 82°F.
Can I control these heaters from a phone?
Yes. All four units offer phone app control. The MICOE unit uses a mobile app and an onboard digital control panel. The POOLTOHOT unit uses WiFi app control with an intuitive touch panel. The VEVOR unit uses WiFi and app control. The Varpoolfaye unit uses a WiFi-connected mobile app.
