Best Pentair Electric Pool Heaters for Inground Pools in 2025
Updated on August 2025
#1
Recommended
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- Suitable for in-ground and above-ground pools up to 32,000 gallons; 110,000 BTU output with efficient energy usage.
- Features advanced DC Inverter technology allowing adjustable heating capacity from 20% to 100% for optimal efficiency and stability.
- Constructed for durability with CSA and AHRI certifications ensuring reliable performance.
- Equipped with WiFi for mobile app control, enabling temperature adjustments and scheduling from anywhere; includes Soft-Start function for extended lifespan.
- Offers USA-based customer support for assistance and inquiries.
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- Suitable for in-ground and above-ground pools up to 32,000 gallons; 110,000 BTU output with efficient energy usage.
- Features advanced DC Inverter technology allowing adjustable heating capacity from 20% to 100% for optimal efficiency and stability.
- Constructed for durability with CSA and AHRI certifications ensuring reliable performance.
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#2
Value for Money
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- Integral Fin Copper Exchanger Tube
- Corrosion-Free Polymer Headers
- Backlit LCD Controls
- Self-Diagnostic Microprocessor Controlled Ignition
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- Integral Fin Copper Exchanger Tube
- Corrosion-Free Polymer Headers
- Backlit LCD Controls
- Self-Diagnostic Microprocessor Controlled Ignition
#3
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- Environmentally friendly electric heater reduces reliance on gas or propane by transferring heat from air to water.
- Compatible with in-ground pools up to 15,000 gallons and above-ground pools up to 27 feet round or 18 by 33 feet oval, performing best in humid climates above 50°F.
- High-efficiency design with advanced compressors and titanium heat exchangers ensures energy savings and reliable late-season swimming.
- Durable enamel-coated steel chassis can withstand outdoor conditions and features a compact size for versatile installation.
- User-friendly digital control panel allows for easy temperature adjustments, with an optional extension cable for flexible placement.
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- Environmentally friendly electric heater reduces reliance on gas or propane by transferring heat from air to water.
- Compatible with in-ground pools up to 15,000 gallons and above-ground pools up to 27 feet round or 18 by 33 feet oval, performing best in humid climates above 50°F.
- High-efficiency design with advanced compressors and titanium heat exchangers ensures energy savings and reliable late-season swimming.
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#4
24% Off
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- Dual-mode system provides heating and cooling of water from 47–104℉ and 47–83℉, enabling year-round swimming.
- Delivers 35,000 BTU heat in a short time for pools up to 9,000 gallons. Control temperatures and schedules remotely via app and control panel.
- Features full DC variable frequency technology with 15.8 COP for efficient energy use, saving 70% compared to traditional electric heaters.
- Operates quietly at 48 dB with an automatic defrost system that completes cycles in 5 minutes for consistent winter performance.
- Includes versatile connection options for various pool types, ensuring straightforward installation.
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- Dual-mode system provides heating and cooling of water from 47–104℉ and 47–83℉, enabling year-round swimming.
- Delivers 35,000 BTU heat in a short time for pools up to 9,000 gallons. Control temperatures and schedules remotely via app and control panel.
- Features full DC variable frequency technology with 15.8 COP for efficient energy use, saving 70% compared to traditional electric heaters.
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#5
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- Designed to maintain a stable pool temperature for extended swimming seasons, effective during spring and fall; not intended for hot tub temperatures.
- Equipped with a full DC inverter compressor that automatically adjusts heating power based on environmental factors for consistent heating.
- Offers a heating capacity of up to 75,000 BTU with a COP rating of 16.2, significantly reducing energy costs compared to natural gas and propane.
- Operates most efficiently in temperatures above 60°F; using a pool cover can help retain heat and improve efficiency in colder weather.
- Suitable for pools and spas up to 21,100 gallons, featuring a titanium heat exchanger that resists chemicals and saltwater.
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- Designed to maintain a stable pool temperature for extended swimming seasons, effective during spring and fall; not intended for hot tub temperatures.
- Equipped with a full DC inverter compressor that automatically adjusts heating power based on environmental factors for consistent heating.
- Offers a heating capacity of up to 75,000 BTU with a COP rating of 16.2, significantly reducing energy costs compared to natural gas and propane.
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#6
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- High-performance compressor delivering up to 30,000 BTU, ideal for pools up to 8,000 gallons, including 14-23 foot pools
- Offers heating (46°F-104°F) and cooling (46°F-82°F) modes for year-round temperature management
- WiFi control allows remote temperature management and scheduling via an app
- Energy-efficient air-source technology operates at low electricity consumption and 52 dB for quiet operation
- Durable titanium heat exchanger suitable for both freshwater and saltwater pools, includes 1.5 inch connectors and a 126 inch power cord for easy installation
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- High-performance compressor delivering up to 30,000 BTU, ideal for pools up to 8,000 gallons, including 14-23 foot pools
- Offers heating (46°F-104°F) and cooling (46°F-82°F) modes for year-round temperature management
- WiFi control allows remote temperature management and scheduling via an app
- Energy-efficient air-source technology operates at low electricity consumption and 52 dB for quiet operation
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#7
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- Durable cupro-nickel heat exchanger
- Efficient hydraulic performance with rapid heat transfer
- User-friendly electronic control panel
- Optimized cupro-nickel heat exchanger for effective water flow management
- Reduced NOx emissions compliant with air quality regulations
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- Durable cupro-nickel heat exchanger
- Efficient hydraulic performance with rapid heat transfer
- User-friendly electronic control panel
- Optimized cupro-nickel heat exchanger for effective water flow management
- Reduced NOx emissions compliant with air quality regulations
#8
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- Heats pools up to 8000 gallons or 18 ft in diameter for extended swimming comfort.
- Inverter technology optimizes energy usage for efficient heating without sacrificing performance.
- Remote control via app for easy temperature adjustments and scheduling.
- Corrosion-resistant titanium heat exchanger for longevity in saltwater environments.
- Quick 30-minute installation without professional help.
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- Heats pools up to 8000 gallons or 18 ft in diameter for extended swimming comfort.
- Inverter technology optimizes energy usage for efficient heating without sacrificing performance.
- Remote control via app for easy temperature adjustments and scheduling.
- Corrosion-resistant titanium heat exchanger for longevity in saltwater environments.
- Quick 30-minute installation without professional help.
#9
- Designed to heat in-ground swimming pools, the PLC200 operates in ambient temperatures from 20F to 105F and can heat water up to 105F.
- Utilizes inverter technology for optimal energy efficiency, adjusting working frequency based on pool water temperature to minimize power consumption.
- Suitable for in-ground pools up to 15,000 gallons and above ground pools up to 24 feet round or 16 by 32 feet oval. Not recommended for inflatable pools due to low water pressure. Includes a corrosion-resistant titanium heat exchanger.
- Equipped with built-in sensors to monitor critical parameters such as water temperatures, current, voltage, and pressure, ensuring safe operation by shutting down in case of faults.
- Features an intelligent control system that maintains your desired swimming pool temperature automatically, allowing for effortless operation.
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- Designed to heat in-ground swimming pools, the PLC200 operates in ambient temperatures from 20F to 105F and can heat water up to 105F.
- Utilizes inverter technology for optimal energy efficiency, adjusting working frequency based on pool water temperature to minimize power consumption.
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#10
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- High-efficiency 30,000 BTU pool heat pump suitable for pools up to 8,000 gallons, boasting a COP of 5.8.
- Capable of both heating (46°F-104°F) and cooling (46°F-82°F) for year-round water comfort.
- WiFi connectivity allows remote temperature adjustments and scheduling via a dedicated app.
- Operates quietly at 52 dB while efficiently transferring heat with minimal energy consumption.
- Constructed with a durable titanium heat exchanger, compatible with both freshwater and saltwater pools for easy setup.
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- High-efficiency 30,000 BTU pool heat pump suitable for pools up to 8,000 gallons, boasting a COP of 5.8.
- Capable of both heating (46°F-104°F) and cooling (46°F-82°F) for year-round water comfort.
- WiFi connectivity allows remote temperature adjustments and scheduling via a dedicated app.
- Operates quietly at 52 dB while efficiently transferring heat with minimal energy consumption.
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