Top 5 Best Pool Heaters: Editor Recommended

The 10 Best Pool Heaters Reviews:

1. Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool

Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool

The Universal H-Series 250,000 BTU Natural Gas Pool & Spa Heater from Hayward provides reliable, long-lasting comfort for pools and spas with a surface area of up to 750 ft. Built with a durable cupro nickel heat exchanger, it offers exceptional protection against corrosion and premature failure caused by unbalanced water chemistry, ensuring you get season after season of premium heating performance. The Universal H-Series boasts industry-leading hydraulic performance coupled with lightning-fast speed-to-heat capability—so you spend less time waiting, and more time swimming. Its low NOx emissions meet air quality standards in all low-NOx areas, so you can rest easy knowing its environmental impact is low, too.

Highlighted Features:

  • In-ground pools and spas with a surface area up to 750 ft. where natural gas is available. Its low environmental impact makes it ideal for pools and spas located where low-NOx emissions are required.
  • The Hayward Universal H-Series 250,000 BTU Natural Gas Heater delivers fast premium heating performance for years of reliable, long-lasting comfort.
  • The Universal H-Series boasts exceptional protection against corrosion and premature failure caused by unbalanced water chemistry.
  • The efficient, industry-leading design reduces circulation pump run time to provide energy savings.
  • Intuitive front control panel provides easy operation, service and maintenance.

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2. EcoSmart SMART POOL 18 Electric Tankless Pool Heater

EcoSmart SMART POOL 18 Electric Tankless Pool Heater

Eco smart Pool Heaters operate by utilizing the latest flow sensor technology instead of the traditional pressure switch activation to reduce the risk of burned elements, which increases its reliability and longevity. The Smart POOL series comes with digital thermostat control so you can set the temperature exactly where you want it.

Ecosmart Pool Heaters operate by utilizing the latest flow sensor technology instead of the traditional pressure switch activation to reduce the risk of burned elements, which increases its reliability and longevity. The Smart POOL series comes with digital thermostat control so you can set the temperature exactly where you want it.

Highlighted Features:

  • Flow Activation
  • Ecosmart Pool Heaters are compact and easy to install for a new or existing pool
  • Set your temperature digitally to increments of 1-Degree. Set it and forget it.Required Wire:2 x 8 AWG
  • Compatible with Ecosmart Remote Control
  • Can be used as an alternative to or booster to heat pump. Phase – Single

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3. Hayward W3H400FDP Universal H-Series 400,000 BTU Pool and Spa Heater

Hayward W3H400FDP Universal H-Series 400,000 BTU Pool and Spa Heater

The Universal H-Series 400,000 BTU Propane Gas Pool & Spa Heater from Hayward provides reliable, long-lasting comfort for pools and spas with a surface area up to 1,200 ft. Built with a durable cupro nickel heat exchanger, it offers exceptional protection against corrosion and premature failure caused by unbalanced water chemistry, ensuring you get season after season of premium heating performance.

The Universal H-Series boasts industry-leading hydraulic performance coupled with lightning-fast speed-to-heat capability— so you spend less time waiting, and more time swimming. Its low NOx emissions meet air quality standards in all low-NOx areas, so you can rest easy knowing its environmental impact is low, too.

Highlighted Features:

  • In-ground pools and spas with a surface area up to 1,200 ft. where natural gas is available. Its low environmental impact makes it ideal for pools and spas located where low-NOx emissions are required.
  • The Hayward Universal H-Series 400,000 BTU Propane Heater delivers premium heating performance for years of reliable, long-lasting comfort.
  • The Universal H-Series boasts exceptional protection against corrosion and premature failure caused by unbalanced water chemistry.
  • The efficient, industry-leading design reduces circulation pump run time to provide energy savings.
  • Intuitive front control panel provides easy operation, service and maintenance.

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4. FibroPool FH 270 Swimming Pool Heat Pump 70,000 Btu

FibroPool FH 270 Swimming Pool Heat Pump 70,000 Btu

Fibropool’s newest addition to our Swimming Pool Heat pump line is our model FH 270. With a 27% increased capacity over our FH055 model, it is suitable for in-ground swimming pools up to 15,000 gallons or 400 sq. ft. surface. Above ground pools up to 27′ round or 18 x 33 ft oval. FH 270 uses 1.5″ threaded connections with included unions for easy installation, 20 Amps breaker with 12 gauge wire within 50 ft of the breaker box, or 10 gauge wire 50-150 ft from breaker box. 2 hots +1 ground is required ( 12-2+Ground or 10-2+Ground) 1 Chassis bonding wire required.

Highlighted Features:

  • 70,000 BTU/ hr in coastal climates
  • Suitable for 15,000 Gallons -450 sqft In ground Pools, 27′ Round-18 x 33 Oval Above ground pools ( Long Island NY- Corpus Christi TX) . If you are not sure about your area’s suitability or performance rating, please sned us your zipcode and pool size and we will size it for you.
  • 5.77 COP, means %577 percent efficient. 1 dollar of electricity produces $5.77 dollars of heat.
  • Designed, Engineered, Manufactured and Serviced by Fibropool Co Mississippi

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5. UCEDER Pool spa Part hot tub LX H20-Rs1 Thermostat 110V 2kw

UCEDER Pool spa Part hot tub LX H20-Rs1 Thermostat 110V 2kw

Welcome to UCEDER.” Serve the Customers Wholeheartedly” is our core business activities,As long as the customers gives us an opportunity to serve them,we will be a real action to gain the recognition of our customers, which is our unchanging purpose! Providing all customers with Superior product quality in the industry,which is our Service Concept.

this Heater was made by LX pump industrial company, they offer OEM service for many of Amercia top brand spa and pool companies, they make high grade spas and pool pumps, heaters in the industry. meanwhile, we suggest you ask authorized person to install the heater, we checked and studied all the customers compain and return part, found 99% heaters don’t work were due to incorrect installation. if you have this issue during installation and using,pls feel free to let us know by e-mail.we will try our best to help you as soon as possible.

Highlighted Features:

  • Incoloy800 steel Thermostat element very safty and long life.very easty to install and replace, no need do inter adjustment.
  • Suitable bathtub &spa tub /hot tub 2KW /110V-120V,
  • Easy to set your desired termperature within 45 ° C, when temperature up to your setting temperature it will stop automatically. when temperature is dropped down, it will heat up water until your set temperature.
  • suitable for bathtub or hot tub with thermo cover, we suggest water capacity not more than 400 US gallon
  • with 1.5″ outlet , min 0.35MPA pressure, suggest work with at least 0.25HP

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6. Hayward W3HP21404T HeatPro 140,000 BTU Pool Heat Pump

Hayward W3HP21404T HeatPro 140,000 BTU Pool Heat Pump

The high-performance, energy-efficient HeatPro 140,000 BTU Heat Pump from Hayward quietly and economically maintains ideal water temperature at all times. Ideal for coastal environments, HeatPro’s corrosion-resistant design is equipped with a unique Ultra Gold evaporator fin and titanium heat exchanger for extreme equipment durability. Its compact design allows for easy installation and service on new or existing pools. HeatPro is a great way to extend your swim season.

Highlighted Features:

  • In-ground pools that are used regularly and benefit from maintaining an ideal consistent temperature. Non-corrosive design makes it durable for coastal climates.
  • Using the surrounding air to heat the pool, HeatPro is more economical than propane, natural gas and electric heaters for maintaining the ideal water temperature.
  • Ultra Gold corrosion-resistant technology provides unparalleled durability, even in harsh coastal environments.
  • Titanium heat exchanger ensures maximum heat transfer and provides excellent salt water and chemical corrosion resistance. UV-resistant body panels are impervious to corrosion and deterioration
  • With over 80 years of experience, Hayward is an industry leader in manufacturing advanced pool equipment.

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7. 1500W Swimming Pool Heaters Warmer

1500W Swimming Pool Heaters Warmer

Our pool water heater has UL report and is safer to use, With high quality stainless-steel protect cover, hot tub heater will effectively prevent the heating element is in direct contact with people or animals and heat dissipates to the water faster by flowing through the holes in the guard. Durable and reusable. The holes on the guard dissipates heat into the water faster

Highlighted Features:

  • 1500W of power can make 5 gallons of water warm in a few minutes. Before inserting the pool warmer, please make sure that the heater is completely immersed in the water then connect the 120v/110v power supply.
  • Immerse in water at an appropriate water level and plug into any grounded wall outlet. Then the 1500W immersion water heater can start working.
  • Our portable water heater is suitable for portable bathtub, pool heater, pond heater, water trough heater, bucket heater. Especially fit for heating water in large size container like bucket, basin, bath tub, mini inflatable swimming pool, above ground pool inground pools, etc.
  • 1.Make sure completely immersed in water in working condition. 2.Do not use it for more than 3 hours continuously! 3.Please do not plug the two heaters into the same outlet to avoid fire hazards. 4.Please take out the pool heater before touching the water!

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8. FibroPool FH055 Swimming Pool Heat Pump

FibroPool FH055 Swimming Pool Heat Pump

100% Titanium heat exchanger Quick disconnect piping, 1 1/2″ pvc and 17 Amps power-230-240 volts 60 Hz . Digital display and controller Max temp setting 99’F. Slim fit format 16″ x 40″ footprint, 18″ tall 150 lbs . US Department of Energy top Energy Efficient System, 25 cents per hour Suitable for pools up to 13,500 gallons, in mild- humid climates. The sizing is based on 80 percent air humidity, 82’F set pool temperature, 80’F air temperature. Cooler air, or lower humidity will reduce efficiency, in turn will reduce the pool size.

Highlighted Features:

  • ** Our Most popular FH 55 model Heater Efficiency: 580%
  • **230 volts- 60 HZ for USA/ Canadian/ Mexican electricity
  • ** Suitable for pools up to 13’500 gallons** (Please read Item description for more details about sizing)
  • ***In Ground/ Above Ground/ Chlorine/ Salt Water pools
  • **Pure Titanium heat Exchanger… 1 1/2″ Hard Pvc pipe connections- Compression type.

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9. Raypak 266,000 BTU Digital Electronic Ignition Natural Gas Pool Heater

Raypak 266,000 BTU Digital Electronic Ignition Natural Gas Pool Heater

Raypak digital heaters have an electronic ignition, a digital thermostat and Polymer headers. They are gas powered and suitable for use with swimming pools and spas. These heaters are designed for residential application and combine durability and smart design to be some of the best on the market. Their attributes include exceeding federal and state fuel efficiency standards, high flow rates, condensation protection and wind-resistant design to withstand the elements for years to come. **This item is unable to be shipped to the state of California**

Highlighted Features:

  • Part Number: 009217
  • Model Number: P-R266A-EN-C
  • LCD digital display provides accurate temperature
  • Monitors operational status as well as service diagnostics
  • PLEASE NOTE: Item is unable to be shipped to state of California

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10. 220V 240V 18KW Electric Pool Water Heater

220V 240V 18KW Electric Pool Water Heater

ST series pool heaters are special used for small pool less than 2CBM, massage pool and hot spring to heat and keep warm; Meanwhile, can be a assistant for heat pump in heating. This product adopts latest constant temperature controller, temperature sensor replaces traditional magnetic flow switch, it improves greatly of trouble free in working time, adaptability of water environment and stability

Features: Manual reset temperature control switch: Once unexpected high temperature 60℃ occurs, the temperature switch cuts off the system. You need to cut off the main power supply, resolve the fault and wait the temperature to fall below normal temperature, then press the ‘Reset’ button to restart the heater
Unique control system: ST series are the newest generation with our unique control system. With this advanced control system, the traditional mechanical water flow sensor is replaced by modern digital temperature sensor, and the features of the temperature

Highlighted Features:

  • 1.(New Brand:Coasts)316# stainless steel, Best in its class
  • 2.60000 Btu/Hr heating capacity, 18KW
  • 3.Suitable for pools up to 7500 gallons in coastal climates
  • 4.Suitable for ALL Hot Tubs, Above Ground Inground Pool Swimming Pool.
  • 5.240 Volts 75A – 60 HZ American Voltage. Use With Water Pump.

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