Pool Heaters & Heat Pumps
Best 110v Above Ground Pool Heater (2026): 4 Picks Compared
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For a 110V above ground pool heater, the WARMBLU leads this list with 25,000 BTU and a COP of 5.2 for pools up to 6,500 gallons. It adds phone app control and a touch panel. If you need a larger rated pool size, the Della covers up to 7,800 gallons with a cover at 24,000 BTU.
Starting out? See the main guide: Best Pool Heater
Top picks at a glance
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Best OverallWARMBLU 6,500 Gallons Above Ground Pool Heater9.8 View on Amazon -
9.5 View on Amazon -
Also GreatDella Omi Edge9.3 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. WARMBLU 6,500 Gallons Above Ground Pool Heater | 25,000 BTU | Yes | — | 12-month |
| 2. Varpoolfaye 5,500 Gallon Heat Pump Pool Heater | 16,000 BTU | Yes | — | — |
| 3. Della Omi Edge | 24,000 BTU | Yes | — | 2-year |
| 4. AQUASTRONG Swimming Pool Heater for Above Ground | 18,000 BTU | — | — | 3-year |
WARMBLU 6,500 Gallons Above Ground Pool Heater
It pairs 25,000 BTU with a COP of 5.2 for pools up to 6,500 gallons, with phone app control and a touch panel.
- Heat output: 25,000 BTU, the most here
- Phone app control
- 12-month warranty stated
Good for
- Owners of above ground pools up to 6,500 gallons
- Buyers who want phone app control and heating and cooling
Skip it if
- You need rated coverage past 6,500 gallons
- You want a warranty longer than 12 months
It has a titanium heat exchanger and heating and cooling modes. Control comes through a phone app or a touch panel. The maker puts noise below 50 dB. It carries a 12-month warranty.
Varpoolfaye 5,500 Gallon Heat Pump Pool Heater
It gives 16,000 BTU for pools up to 5,500 gallons, with heating to 104°F and cooling to 46°F through a WiFi app.
- Heat output: 16,000 BTU
- Phone app control
Good for
- Owners of above ground pools up to 5,500 gallons
- Buyers who want scheduled on and off times from a phone
Skip it if
- You need rated coverage past 5,500 gallons
- You need more than 16,000 BTU of heat output
It has a titanium heat exchanger and heating and cooling modes. The box includes two DN32-38 mm universal connectors and a 118-inch power cord. It pairs with a pump that delivers a flow rate of 700 GPH. The maker puts noise at 50 dB.
Della Omi Edge
It gives 24,000 BTU for pools up to 7,800 gallons with a cover, with five modes and WiFi control.
- Heat output: 24,000 BTU
- Phone app control
- 2-year warranty stated
Good for
- Owners of pools up to 7,800 gallons with a cover
- Buyers who want voice control through Alexa or Google Home
Skip it if
- You need rated coverage past 7,800 gallons with a cover
- You want noise below 45 dB(A)
It works down to 5°F ambient and heats water to 104°F or cools it to 47°F. Control comes through WiFi, the DELLA App, voice commands, or a control panel. It has Heating, Cooling, Auto, Boost, and ECO modes. It carries a 2-year parts warranty.
AQUASTRONG Swimming Pool Heater for Above Ground
It gives 18,000 BTU with a COP of 5.5 for pools up to 6500 gallons, with a thermostat accurate to ±2°F.
- Heat output: 18,000 BTU
- 3-year warranty stated
Good for
- Owners of above ground pools up to 6500 gallons
- Buyers who want heating and cooling with auto-defrost
Skip it if
- You need rated coverage past 6500 gallons
- You want a warranty longer than 3 years
It heats water between 41 and 104°F and cools it within 41 and 83°F. The maker puts noise at 38 dB, and it has an auto-defrost system. It comes with 1.25-inch hose adapters and 1.5-inch conversion kits. It carries a 3-year comprehensive warranty.
How to choose
Match BTU and gallons to your pool
BTU states heat output, and gallons state the pool size a maker pairs with that output. Compare the gallon figure for your pool against each pick: 6,500 gallons for the WARMBLU, 5,500 gallons for the Varpoolfaye, 7,800 gallons with a cover for the Della, and 6500 gallons for the AQUASTRONG. Pick a gallon figure at or above your pool size, then compare BTU and COP figures for the picks that fit.
Heating, cooling, and control options
Heating raises pool water toward a set temperature, and cooling lowers it for warm days. All four picks here have heating and cooling modes. The WARMBLU also has a touch panel, and the Della has a control panel. Choose the control style you will use, and check the temperature ranges for the pick you choose.
Noise, fit, and upkeep checks
Noise is stated in decibels, with a lower figure meaning quieter sound from the unit. The figures here are below 50 dB for the WARMBLU, 50 dB for the Varpoolfaye, 45 dB(A) for the Della, and 38 dB for the AQUASTRONG. Check the size and the connectors against your pool setup before you order. The Varpoolfaye includes two DN32-38 mm universal connectors and a 118-inch power cord, and the AQUASTRONG includes 1.25-inch hose adapters and 1.5-inch conversion kits.
FAQ
What size pool heater do I need for an above ground pool?
Compare the gallon figure with your pool size. The WARMBLU covers up to 6,500 gallons, the Varpoolfaye covers up to 5,500 gallons, the Della covers up to 7,800 gallons with a cover, and the AQUASTRONG covers up to 6500 gallons.
Do these pool heaters also cool the water?
Yes. The WARMBLU, Varpoolfaye, Della, and AQUASTRONG each have heating and cooling modes. Temperature ranges differ by pick: the Varpoolfaye heats from 59°F to 104°F and cools from 46°F to 82°F, while the Della heats to 104°F and cools to 47°F.
Can I control these pool heaters from my phone?
The WARMBLU, Varpoolfaye, and Della have phone app control. The AQUASTRONG has a panel for multi-mode smart control, so check the control style for the pick you choose.
