The 7 best electric pool heaters of 2025

Extend Your Swim Season: The pool heat pump features a dual-mode heating and cooling system that maintains optimal water temperatures year-round. Precision control ensures heating from 47–104℉ and cooling from 47–83℉, allowing you to enjoy extended swimming sessions through autumn’s crisp chill and spring’s cool mornings.

Rapid Heating & APP Control: Engineered for speed and efficiency, it delivers 75,000 BTU warmth in hours, perfect for large pools, up to 21,000-gallon systems, or chilly climates. Take full control via the app & control panel. Adjust temperatures remotely, track energy use, and program heating schedules to fit your lifestyle.

Inverter Energy Saving: Intelligent heat pump system featuring full DC variable frequency technology delivers 15.8 COP for maximum heating output. Adaptive frequency conversion algorithm dynamically adjusts power in real-time, achieving 70% energy savings over traditional electric heating and 40% higher efficiency than gas systems.

Ultra-Quiet & Auto-Defrost: Variable frequency technology reduces operational noise to just 53 dB, paired with an intelligent defrosting system featuring automatically initiated cycles every 40 minutes that complete the process in just 5 minutes, ensuring uninterrupted winter operation with continuous heating performance.

Easy to Assemble: Our heat pump features 3 versatile connection options designed to integrate with all pools,(1.25" & 1.5" hose adapter, 1.5" adapter conversion kit, 1.5" PVC pipe converter), ensuring hassle-free installation and optimal performance. Enjoy peace of mind with our 3-year warranty. Dive into comfort and reliability.

[A better way to extend the swimming season]: A warm pool for your kids, pets and the whole family! What you need is an efficient, low operating cost heating system - an ECO POOLTECH pool heating pump for your pool that extends play for months! **Verified performance, no false claims **: As a responsible brand, ECO POOLTECH ensures all data is based on tested results, with no inflated claims.

[Save Money]: Base on heat pump technology, the EU50 heat pump absorbs energy from the air and transfers it into the water. So the operation only requires very limited electric input, hence its high efficiency and heat conversion rate can reach a score of COP 5.6. In other words, for every cent of electricity spent, 5.6 times heat is generated!

[Ideal for Above Ground Pools]: The Pool heat pump EU50 is designed for above ground pools with up to 5000 gallons of water (No bigger than 15ft round or 9x18ft rectangular). This unit can operate at outdoor temperatures of 40ºF to 105 ºF, under optimal operating conditions the pool can be heated up to 100ºF.

[Easy to Install]:The pool heater EU50 allowing fast and easy hookup without professional installation. Just hook up several quick connectors, then plug and play. No need tools, no need plumber.

[Built in flow sensor] The machine is equipped with a water flow sensor, which can automatically control the working time of the heater through the timing setting of the water pump.Pure titanium heat exchanger safe for salty water. Intelligent control system, easy to operate.

Swim Longer, Relax More: This electric pool heater is designed for pools up to 20’ in diameter, 28’ * 12’ rectangle, or volume up to 10,000 gallons, the Pool heat pump ensures consistent and cozy extended swimming sessions at low energy cost

Efficient Power Management: The heat pump’s smart inverter technology adjusts power usage between 0 and 100% automatically based on need. This dynamic adjustment leads to lower energy costs while maintaining desired pool temperature

Smart WiFi Control: Manage your heat pump remotely using the WiFi-enabled control unit. With a simple temperature and schedule set up on your phone via our APP, the heat pump will automatically get your pool ready, saving you time and effort

Tough and Resilient: The titanium spiral heat exchanger ensures our pump withstands diverse water conditions and complex compounds, even saltwater. Its corrosion resist ability allows durable heating for your pool

Weatherproof and Reliable: Our heat pump features galvanized steel housing and an upgraded evaporator protection shield, offering robust defense against diverse elements. Protecting the evaporator fins ensures that your heat pump runs optimally

Effortless Installation: Set up the heat pump in less than 30 minutes with no special skills required. Follow our easy guide, plug in the heat pump after setup, and ready to use with no voltage conversion needed

Advanced Safety Features: For your safety, the KSPF7 comes with leakage protection. Its built-in flow-switch and temperature sensors automatically monitor the heat pump’s safety operation, eliminating the need for constant diagnostics

Specification: KSPF7 pool Heat pump. Heat capacity: 30,000 BTU. Heating efficiency: C.O.P 6.0. Working voltage: 110-120 V / 60 Hz. Size Parameter: L: 35.31'' W: 13.88'' H: 21.98''. Weight: 90.4 lb

Helpful Reminder: Be sure to watch the product videos and consult the instruction guide for detailed information on how to use the heat pump and its various features

Swim Comfortably Longer: Heat pools up to 8000 gallons or 18 ft in diameter, keeping the water warm and inviting throughout the season.

Eco-Friendly Efficiency: Inverter technology adjusts power usage as needed, reducing energy consumption without compromising performance.

Smart WiFi Control: Use our app to control the heater remotely, adjust schedules, and set temperatures with ease.

Heavy-Duty Components: The titanium heat exchanger resists corrosion, even in saltwater, providing consistent heating.

Durable Weather Protection: The galvanized steel and evaporator shield guard against weather damage, keeping the pump efficient year-round.

Quick Installation Process: Install the heat pump in 30 minutes or less with no need for professional help or voltage conversion.

Safety You Can Trust: Leakage protection plug, flow-switch, and sensors ensure safe operation, providing you with a effortless pool heating solution.

Reliable in Any Weather: Engineered to perform consistently in harsh conditions, this heat pump protects critical components for long-term durability.

Detailed Specs: 30,000 BTU heat capacity, C.O.P efficiency: 6.0, Power: 110-120 V / 60 Hz. Product size: 35.31" × 13.88" × 21.98". Weight: 90.4 lbs.

Extended Pool Season: Compatible with pools up to 13,000 gallons (above-ground/in-ground). Equipped with smart inverter technology to efficiently maintain optimal water temperature at a reduced energy cost

Low Temperature Operation: Designed to operate in ambient temperatures as low as 15°F. Proper plumbing and pool coverage allow year-round use, ensuring comfort in colder climates

Smart Connectivity: Integrated WiFi module for remote monitoring, temperature control, and scheduling. Allows automated operation for pre-set conditions, ensuring the pool is ready when you are

Versatile Functionality: Titanium spiral heat exchanger provides high-efficiency heating and operates effectively in various water conditions, including saltwater and mineral pools

Durable Construction: Full galvanized steel housing provides superior weather resistance, ensuring stable operation and a prolonged lifespan even in harsh environments

Comprehensive Safety Features: Multi-sensor technology ensures optimal performance, preventing issues like overheating, pipeline blockages, or electrical faults, safeguarding both the unit and pool water

Product Specification: Voltage: 220-240V / 60 Hz. Dimensions: 37.4''(L) x 14.6'' (W) x 27.7'' (H). Weight: 134lb

Powerful Performance: With a high-pressure compressor, pool heater heat pump max output of 35100 BTU, a COP of 6.5, ideal for above ground or in-ground pools up to 10000 Gallons, 14/16/18/21/22/23/26 foot pool

Year-Round Comfort: 220v pool heater with both heating (59°F-104°F) and cooling (45°F-86°F) modes, ensuring perfect water temperatures for every season

Smart WiFi Control: Pool heater for above ground pool easily adjust temperature, schedule, and functions via WiFi using the app for seamless control of your pool

Efficient and Quiet: Our pool heat pump operates by absorbing heat from the air and releasing it to the pool, with minimal electricity and works quietly at 53 dB, ensures a peaceful swimming experience

Durable and Easy Setup: Inground pool heater built with a titanium heat exchanger for freshwater or saltwater pools, it features 1.5 inch connectors and a 126 inch power cord for easy setup and use

[A better way to extend the swimming season]: A warm pool for your kids, pets and the whole family! What you need is an efficient, low operating cost heating system - an ECO POOLTECH pool heating pump for your pool that extends play for months! **Verified performance, no false claims **: As a responsible brand, ECO POOLTECH ensures all data is based on tested results, with no inflated claims.

[Save Money]: Base on heat pump technology, the EU50 heat pump absorbs energy from the air and transfers it into the water. So the operation only requires very limited electric input, hence its high efficiency and heat conversion rate can reach a score of COP 5.6. In other words, for every cent of electricity spent, 5.6 times heat is generated!

[Ideal for Above Ground Pools]: The Pool heat pump EU50 is designed for above ground pools with up to 5000 gallons of water (No bigger than 15ft round or 9x18ft rectangular). This unit can operate at outdoor temperatures of 40ºF to 105 ºF, under optimal operating conditions the pool can be heated up to 100ºF.

[Easy to Install]:The pool heater EU50 allowing fast and easy hookup without professional installation. Just hook up several quick connectors, then plug and play. No need tools, no need plumber.

[Built in flow sensor] The machine is equipped with a water flow sensor, which can automatically control the working time of the heater through the timing setting of the water pump.Pure titanium heat exchanger safe for salty water. Intelligent control system, easy to operate.