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Best swimming pool heaters - July 2026

Last Updated - July 25, 2026

1
Best Choice
28% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

WARMBLU
28% Off

WARMBLU H35 Swimming Pool Heat Pump 120,000BTU 33,000 Gal High Efficiency COP16 Energy Save 45% Above Smart Inverter Control 220V

WARMBLU

(28% Off)

More Details
Main highlights
- Worry-free Support---Enjoy 12+12-months warranty, lifetime friendly customer service by WARMBLU team. Access support through two options: 1) Find the tutorial manuals inside the package, and we sincerely invite you to join our Discord community to communicate with other users. 2) Contact us for any assistance, WARMBLU001 (at) 163 (dot) com
- Ultimate Ease of Use & Installation---Simplicity from start to finish. Enjoy a worry-free, straightforward installation process, followed by effortless daily control via the intuitive mobile App or the sleek, modern touch panel at home. Total convenience is at your fingertips.
- Sub-50 dB Quiet Operation---Protect the tranquility of your property. With a noise level below 50 dB, its operation is quieter than the hum of a standard refrigerator. You'll get powerful heating without the disruptive noise, ensuring your backyard remains a peaceful retreat.
- SpringBreath 1.0 Heating System with Quantifiable Results---Built to efficiently handle large pools up to 33,000 gallons. H35, centered on a corrosion-proof pure titanium heat exchanger, delivers an industry-leading the Max COP up to 16.0. This isn't just heating; it's high-efficiency engineering for rapid, reliable temperature rise.
- Engineered Safety: Water & Electricity Fully Separated---Invest with absolute confidence. The core of our design is a fully isolated system that guarantees complete separation of water and electrical components. It's the failsafe, industrial-grade protection you require for total peace of mind.
- Drastically Cuts Energy Costs---Intelligent Chip and Dynamic Algorithm provide intelligent inverter control, constantly optimizing performance for unwavering reliability. The result is dramatically lower operating costs compared to gas or conventional electric heaters, maximizing your long-term investment.
(28% Off)
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

GRAT

GRAT 75,000 BTU Full Inverter Pool Heat Pump with WiFi App Control

GRAT

More Details
Main highlights
- Warm Tip: For faster heating and improved energy efficiency, use a pool cover to reduce heat loss, especially during cooler evenings and seasonal transitions.
- Smart App Control via WiFi & Bluetooth: Monitor and adjust your pool heat pump through the mobile app or onboard digital control panel. Bluetooth is required for initial device pairing, while a 2.4GHz WiFi connection enables remote control and monitoring. Heating range: 46°F–104°F. Cooling range: 45°F–82°F. Built-in automatic defrost technology helps ensure efficient operation in cooler weather.
- Quiet Operation & Durable Outdoor Construction: Operating at approximately 50 dB, this pool heat pump delivers efficient heating with minimal noise. The UV-resistant ABS housing helps protect against corrosion, fading, cracking, and harsh weather, making it ideal for long-term outdoor installation.
- Energy-Efficient Full Inverter Heating Technology: This electric pool heater uses advanced air-source heat pump technology to capture heat from the surrounding air instead of generating heat directly. Compared with traditional gas pool heaters, it helps reduce energy consumption while maintaining stable and efficient pool heating performance.
- 75,000 BTU Pool Heat Pump for Pools Up to 21,000 Gallons: Designed for above-ground and inground pools up to 21,000 gallons, this high-performance pool heat pump delivers fast and consistent water heating. The titanium heat exchanger is compatible with both freshwater and saltwater pools, providing excellent corrosion resistance and long-lasting performance.
3
15% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

WARMBLU
15% Off

WARMBLU H30 Swimming Pool Heat Pump 100,000BTU 28000 Gal High Efficiency COP16 Energy Save 45% Above Smart Inverter Control 220V

WARMBLU

(15% Off)

More Details
Main highlights
- Worry-free Support---Enjoy 12+12-months warranty, lifetime friendly customer service by WARMBLU team. Access support through two options: 1) Find the tutorial manuals inside the package, and we sincerely invite you to join our Discord community to communicate with other users. 2) Contact us for any assistance, WARMBLU001 (at) 163 (dot) com
- Ultimate Ease of Use & Installation---Simplicity from start to finish. Enjoy a worry-free, straightforward installation process, followed by effortless daily control via the intuitive mobile App or the sleek, modern touch panel at home. Total convenience is at your fingertips.
- Sub-50 dB Quiet Operation---Protect the tranquility of your property. With a noise level below 50 dB, its operation is quieter than the hum of a standard refrigerator. You'll get powerful heating without the disruptive noise, ensuring your backyard remains a peaceful retreat.
- SpringBreath 1.0 Heating System with Quantifiable Results---Built to efficiently handle large pools up to 28,000 gallons. H30, centered on a corrosion-proof pure titanium heat exchanger, delivers an industry-leading the Max COP up to 16.0. This isn't just heating; it's high-efficiency engineering for rapid, reliable temperature rise.
- Engineered Safety: Water & Electricity Fully Separated---Invest with absolute confidence. The core of our design is a fully isolated system that guarantees complete separation of water and electrical components. It's the failsafe, industrial-grade protection you require for total peace of mind.
- Drastically Cuts Energy Costs---Intelligent Chip and Dynamic Algorithm provide intelligent inverter control, constantly optimizing performance for unwavering reliability. The result is dramatically lower operating costs compared to gas or conventional electric heaters, maximizing your long-term investment.
(15% Off)
4
Best Value
32% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Varpoolfaye
32% Off

Varpoolfaye 35100BTU Swimming Pool Heat Pumps Up to 10000 Gallons 220v

Varpoolfaye

(32% Off)

More Details
Main highlights
- Year-Round Comfort: 220V pool heater with heating (59°F-104°F) and cooling (45°F-86°F) modes for perfect water temperatures
- Usage Tip: Using a pool cover can significantly improve heating efficiency. It is normal for condensation to leak from the bottom of the machine. Condensate is produced during the heat exchange and defrosting processes. Please refer to the user manual attached on the product details page. If you have any questions, reach out to us
- Smart WiFi Control: Pool heater for above ground pool easily adjust temperature, schedule, and functions via WiFi app for seamless control of your above ground pool
- Powerful Performance: Pool heater heat pump with high-pressure compressor delivers 35100 BTU, COP 6.5, ideal for pools up to 10000 gallons (14/16/18/21/22/23/26 feet)
- Efficient & Quiet: Our pool heat pump absorbs heat from air, minimal electricity use, operates quietly at 53 dB for a peaceful swimming experience
- Durable & Easy Setup: Inground pool heater with titanium heat exchanger for fresh/saltwater pools; includes 1.5-inch connectors and 126-inch power cord for easy installation
(32% Off)
5
19% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

WARMBLU
19% Off

WARMBLU H18 Swimming Pool Heat Pump 60,000BTU 21,000 Gal High Efficiency COP16 Energy Save 45% Above Smart Inverter Control 220V

WARMBLU

(19% Off)

More Details
Main highlights
- Worry-free Support---Enjoy 12+12-months warranty, lifetime friendly customer service by WARMBLU team. Access support through two options: 1) Find the tutorial manuals inside the package, and we sincerely invite you to join our Discord community to communicate with other users. 2) Contact us for any assistance, WARMBLU001 (at) 163 (dot) com
- Ultimate Ease of Use & Installation---Simplicity from start to finish. Enjoy a worry-free, straightforward installation process, followed by effortless daily control via the intuitive mobile App or the sleek, modern touch panel at home. Total convenience is at your fingertips.
- Sub-50 dB Quiet Operation---Protect the tranquility of your property. With a noise level below 50 dB, its operation is quieter than the hum of a standard refrigerator. You'll get powerful heating without the disruptive noise, ensuring your backyard remains a peaceful retreat.
- SpringBreath 1.0 Heating System with Quantifiable Results---Built to efficiently handle large pools up to 21,000 gallons. H18, centered on a corrosion-proof pure titanium heat exchanger, delivers an industry-leading the Max COP up to 16.0. This isn't just heating; it's high-efficiency engineering for rapid, reliable temperature rise.
- Engineered Safety: Water & Electricity Fully Separated---Invest with absolute confidence. The core of our design is a fully isolated system that guarantees complete separation of water and electrical components. It's the failsafe, industrial-grade protection you require for total peace of mind.
- Drastically Cuts Energy Costs---Intelligent Chip and Dynamic Algorithm provide intelligent inverter control, constantly optimizing performance for unwavering reliability. The result is dramatically lower operating costs compared to gas or conventional electric heaters, maximizing your long-term investment.
(19% Off)

Best swimming pool heaters - July 2026

WARMBLU H35 Swimming Pool Heat Pump 120,000BTU 33,000 Gal High Efficiency COP16 Energy Save 45% Above Smart Inverter Control 220V

GRAT 75,000 BTU Full Inverter Pool Heat Pump with WiFi App Control

WARMBLU H30 Swimming Pool Heat Pump 100,000BTU 28000 Gal High Efficiency COP16 Energy Save 45% Above Smart Inverter Control 220V

Varpoolfaye 35100BTU Swimming Pool Heat Pumps Up to 10000 Gallons 220v

WARMBLU H18 Swimming Pool Heat Pump 60,000BTU 21,000 Gal High Efficiency COP16 Energy Save 45% Above Smart Inverter Control 220V

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