The 10 best 220v 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.

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

[Automatic Circulating Heating]: The swimming pool heaters will cycle on and off based on the preset temperature. When the water temperature reaches or surpasses the preset level, the pool thermostat will automatically shut off. Conversely, if the temperature drops below the preset level, the pool thermostat will automatically turn on again.

[Efficient Heating Tube]: The electric pool heater is equipped with 304 stainless steel heating tubes, which provides excellent thermal conductivity. This efficient heat transfer through the heating tubes speeds up heating times and lowers energy costs.

[Touchscreen Display]: Compared to traditional temperature knobs, the upgraded touchscreen display on the 18KW pool heater improves visibility and control. The temperature is visually displayed and can be more accurately controlled with ease.

[Professional Wiring Method]: Since a hot tubl heater is a high-powered machine, it is designed to be hardwired rather than plugged in. Therefore, it is important to have a licensed electrician handle the installation process. They can ensure your safety and proper wiring to maximize the efficiency and lifespan of your pool heater.

[Notice]: 18KW Pool heaters are suitable for pools of around 2000 gallons. In addition, the heating time of a pool heater depends on various factors such as the size of the pool, the desired temperature increase, the power of the pool heaters, and the ambient temperature.

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

TOUCH DIGITAL DISPLAY: This Is Not A Plug and Play Pool Heater Device. Before Use, You Need To Have an Electrician Install It According To The Circuit Instructions. No Additional Cables, Plugs, Or Circulation Pumps Are Included. Please Check If The Relevant Parameters Match and Purchase With Caution.Our Upgraded 11KW 220V (Pool Heater Runs) Thermostat Can Quickly Raise the Water Temperature, Intuitive Digital Display, Even On Cool Days You Can Enjoy a Warm and Comfortable Spa!

AUTOMATIC CIRCULATION HEATING: Above Ground Pool Heater The Pool Heater Will Cycle On and Off Based on A Preset Temperature. When the Water Temperature Reaches or Exceeds the Preset Level, the Pool Thermostat Automatically Turns off. On the Contrary, If the Temperature Falls Below the Preset Level, the Pool Thermostat Will Automatically Turn On Again.

PREMIUM QUALITY MATERIAL: This Hot Tub Water Heate Comes Thermostat is Made of High Quality 304 Stainless Steel Heating Tube Material, Durable, it is Resistant to Corrosion and UV Damage, Ensuring Stable Long-Term Performance.

ENVIRONMENTALLY FRIENDLY AND ENERGY EFFICIENT: The 11KW 220V 240V Electric Pool Water Heater Suitable thermostat can Be Used for Pools Up To About 1,000 Gallons. This 11KW Pool Heater Transfers Heat Efficiently, Which Saves Energy and Electricity Costs, Extends the Swimming Season, and Greatly Reduces Energy Costs.

SAFETY FEATURES:This Pool Heaters Multiple Safety Features, Including Overheat Protection and a Sturdy Leak-Proof Design, Ensure a Safe and Worry-Free Experience for You and Your Family. Since He is a High Powered Machine, We Will Come With English Installation and Instruction Manual, if You Feel Confused You Can Hire a Licensed Electrician to Solve the Installation for Your Home.

Powerful Compressor Design: Pool heater for above ground pool features a 35100 BTU output and COP 6.5 air-source heat pump technology for rapid heating or cooling of 10000 gallon pools

Dual-Mode Versatility: Swimming pool heat pumps switch between heating (59-104°F) and cooling (45-86°F) modes with 220v efficiency to cut energy costs year-round

Silent WiFi Control: Inground pool heater operates at 53dB noise and enables app-based scheduling, power control for saltwater or freshwater setups

All-Environment Durability: Electric pool heater 220v includes titanium exchangers to withstand harsh pool conditions without corrosion

Effortless Installation: Pool heater heat pump arrives pre-equipped with 1.5-inch fittings and 126-inch cord for quick setup in any backyard configuration

This is not a plug and play device. Upon receiving the product, you will need to have an electrician install it according to the circuit instructions. The pool heater does not come with additional cables, plugs, or circulation pumps. Swimming pool electric swimming pool water heater, 3KW power, 14A current, suitable for operating voltage of 220V-240V. Suitable for a small swimming pool of 2 cubic meters (70 cubic feet). Please carefully check the relevant parameters before purchasing.

Easy to Control: The pool heater has a mechanically coordinated thermostat switch ,make it easy to operate and control. The intelligent control system can automatically start and stop according to the water temperature, saving energy, and can also adjust the water temperature to meet different needs.

Dry Burning Prevention: The swimming pool heater is equipped with a pressure switch,which can protect it from the risk of dry burning.So at Least 0.75HP（500W）Circulating Pump is needed to meet the pressure requirement.When the water pressure is not enough, the power supply will be cut off and the thermostat stop heating.

Compact Design: Small and compact appearance design, 13.39* 4.8* 4.92inch, the hot tub water heater is easy to install and use, especially suitable for hot tub and swimming pool equipment, making your swimming pool and SPA jacuzzi more beautiful and tidy.

Suggestions: This is a mini pool heater, please pay attention to the water capacity of the equipment. Water above 2.0 cubic meters will affect heating efficiency or not heated to the specified temperature. Please read the attached product manual carefully before installation, and install it in accordance with the requirements.

[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.

[Self-Heating]: When the water temperature reaches the preset temperature, the pool heater will automatically stop. And when the temperature is lower than the preset temperature, the heater will automatically turn on again.

[Dry Burning Prevention]: The swimming pool heater is equipped with a pressure switch to protect it from the risk of dry burning due to lack of water in the operating process. If the water pressure drops to 15kPa or less during operation, the pressure switch will shut off the power.

High Temperature Protection]: The hot tub heater has a high temperature protection switch. When the temperature reaches 50°C due to a lack of water flow or a blockage in the inlet, the heater will trip (cut off power).

[Parameter]: Power: 5.5KW; Voltage: AC220-240V; Length: 18.7Inch; Width: 3.93Inch; Height: 13.77Inch.

[Application]: The heater is widely used for spa, hot tub, bathtub, swimming pool. 【Tips】Bathtub heater should collocated with the circulation pump to be used properly.

This Is Not A Plug and Play Unit, You Will Need to Have an Electrician Install It According to The Circuit Instructions Before You Can Use It. Does Not Come With Extra Cables, Plugs, Circulation Pump. Purchase With Caution。Pool Heater Saves Energy, Protects the Environment and Is Suitable for Small to Medium Sized Pools and Spas.

FAST HEATING: With a Powerful 11KW Heating Capacity, the Unit Quickly Raises the Temperature of the Pool Water, and the Pool Heater Cycles Around the Preset Temperature, Allowing You to Enjoy a Comfortable Swimming Experience Even in the Cooler Months.

EASY TO OPERATE: The 11KW 220V Pool Heater Has A Mechanically Coordinated Thermostat Switch That Makes it Easy To Set and Maintain The Ideal Water Temperature. The Intelligent Control System Automatically Starts and Stops The Heater According To The Water Temperature, Saving Energy and Regulating The Water Temperature.

VERSATILE USE: Whether You Are Heating An Above Ground Pool, Indoor Spa Or Jaacuzzi, This 11KW 220V Electric Swimming Pool Heater is Suitable for Pools With a Capacity of Up to Approximately 1000 Gallons. 

ANTI-DRY BURN: The Swimming Pool Heater is Equipped With A Pressure Switch That Protects It From the Danger Of Dry Burning. We Will Come With English Installation and Instruction Manual, if You Feel Confused You Can Hire a Licensed Electrician to Solve the Installation for Your Home. Please Follow the Instructions Strictly To Install The Wiring Before Installation