If you’re looking to buy a new pool heaters and still confused about which one is best.

Then you’re in the right place because Our team has spent more than 50 hours researching, comparing, and testing the different options available in the market nowadays to be able to compile the following list of picks for the best pool heaters you can purchase right away from Amazon.

First, here are our picks for today along with our research score for each item.

Top 10 best pool heaters (Our Favorites)

Now, let’s take a look at each item of the best pool heaters, in order to know the different features & benefits of each pick.

BigXwell Solar Pool Cover, Blue 16-mil 12 x 24 Foot Rectangle Pool Heaters for Above-Ground and In-Ground Pools, Heavy-Duty Insulating Pool Heater Cover, Heat Retaining Solar Blanket Cover for Swimmer

$187.99  in stock
1 used from $147.62
Free shipping
Amazon.com
as of May 8, 2022 7:59 am

Features

  • 【Perfect Design & Keep Heat】This pool heater cover is made up of thousands of blue bubble membranes, which can lock the temperature of your swimming pool during the cold winter and summer, and also block the outside dust and other access to the swimming pool, which is safer and more environmental.
  • 【Minimize Water Evaporation】This solar blanket can helps you reduces pool water evaporation by 95 percent, so you don't need to add water again every time you swim, avoiding wasting water. When you're not swimming, simply cover your pool with this pool heater and keep your pool covered to reduce the amount of water lost.
  • 【Safe and Eco-friendly】This solar blanket is made from PE, which is non-toxic, harmless, anti-aging, anti-ULTRAVIOLET, anti-corrosion, anti-seismic pressure, safe and environmental protection. Also it is very convenient to use and store. When you not swim, only need to cover this pool cover, it can prevent dust and debris falling in it, reduce cleaning times and maintenance costs.
  • 【Protect the Natatorium】There are disinfectants and other water treatment chemicals in the swimming pool. They evaporate at any time. Cover with the swimming pool heaters when not in use at night, which can reduce the evaporation of water and chemical components in the pool. While maintaining the high efficiency and durability of the swimming pool disinfectant. More importantly, it will also improve the air environment of the swimming pool and reduce the corrosion of the equipment.
  • 【Extend The Life of Pool】As the heat is maintained and the number of cleaning and maintenance of the swimming pool is reduced, the pool can be used for a longer time, this inground pool covers can bring you more benefit and happiness.

1300W 120V Titanium Fully Submersible Portable Electric Immersion Water Heater, 100% Waterproof immersion heater, Thermostat, Auto shutoff, Overheating Prevention, Bucket Water Heater, Easy to Use

$158.90  in stock
Amazon.com
as of May 8, 2022 7:59 am

Features

  • Completely submersed in water, sea water, underground water, solutions, chemicals
  • Effectively and conveniently heat liquids
  • High degree of efficiency as the heat is quickly dissipated directly into the liquid
  • Automatic thermostat and overheating prevention
  • Excellent durability and outstanding performance

Hayward FDXLHXA1250 Heat Exchanger Assembly Replacement for Hayward H250FD Universal H-Series Low Nox Pool Heater

$899.99  in stock
2 new from $879.00
1 used from $1,149.00
Amazon.com
as of May 8, 2022 7:59 am

Features

  • Heat exchanger assembly
  • Fits hayward universal h-series low nox pool heater model h250fd
  • Weight 48.5 pounds. Low NOx Emissions - Meets Clean Air Quality Standards
  • 2 inch x 2 1/2 inch CPVC Union Plumbing Connections

Stiebel Eltron Tankless Heater – Tempra 12 Plus – Electric, On Demand Hot Water, Eco, White

$528.00  in stock
10 new from $528.00
Free shipping
Amazon.com
as of May 8, 2022 7:59 am

Features

  • CONTINUOUS FLOW – Advanced Flow Control patented technology invented by Stiebel Eltron, automatically maintains water temperature for constant comfort. It’ll reduce flow slightly if hot water demand exceeds capacity. Hot showers will never be interrupted again
  • SPACE & ENERGY SAVER – Its small, sleek white design saves space yet still provides endless hot water for your whole house, and no venting is required. Eco friendly unit saves energy with auto-modulation and the ability to electronically control water flow. Savings monitor even shows how much you save on energy costs
  • EASY OPERATION – Electronic switch activates the hot water heater and it’s noise free while in use. Has a digital temperature display and preset temperature and memory buttons, while the interior solid copper heating system does all the power work
  • TEMPRA 12 PLUS – This specific model is 12kW, 240V, requires a min recommended electric service of 100 A, and offers an output water temperature of 68° to 140°F. Check our guides below to compare features of our various Trend and Plus models, each available in different kW levels
  • WARRANTIES INCLUDED – Stiebel Eltron’s top-rated electric tankless water heaters perform with the highest standards for comfort and reliability. Our 7-Year Leakage and 3-Year Parts Warranties are included with purchase

Smart Pool S601 Inground Pool Solar Heating System, Includes Two 2’ x 20’ Panels (80 sq. ft.) – Made of Durable Polypropylene, Raises Temperature Up to 15°F – S601P, Pack of 1, Black

$289.00
$256.60
 in stock
4 new from $254.68
1 used from $182.78
Free shipping
Amazon.com
as of May 8, 2022 7:59 am

Features

  • Keep your pool warm with a polypropylene heat collector. Direct Flow System - One Header Hole for Each Heating Tube
  • Solar heater features 80 square feet of solar panels
  • Pool accessory is perfect for heating any in-ground swimming pool
  • Panel array measures 4 feet wide x 20 feet long. Raises Pool Water Temperature 6-10°F (4-6°C)
  • Installation kit required (Sold Separately)

Hayward FDXLHXA1200 Heat Exchanger Assembly Replacement for Hayward H200FD Universal H-Series Low Nox Pool Heater

$799.00  in stock
5 new from $799.00
Free shipping
Amazon.com
as of May 8, 2022 7:59 am

Features

  • Heat exchanger assembly
  • Fits hayward universal h-series low nox pool heater model h200fd
  • Weight 33 pounds
  • Up to 18% Savings by Reducing Pump Run-Time

Memoryee Immersion Water Heater Portable Electric Stainless-steel Heaters with Guard CoverSubmersible Home Instant Water Heater with and for Travel Camping Hot Bathtub Mini Inflatable Pool

$34.99
$28.04
 in stock
Amazon.com
as of May 8, 2022 7:59 am

Features

  • Instant Immersion Water Heater: submersible electric heater runs on a more powerful and energy-saving motor. It will boil 5 gallon of the water in minutes and it will not consume too much power. All you need to do is just put the heater in to the water then connect the 120V power supply, easy to use. Gifts: digital thermometer.
  • High quality and safety:With ABS outer and anti-rust stainless steel guard to effectively prevent the heating element is in direct contact with the human body and heat dissipates to the water faster by flowing through the holes in the guard, safer to use and minimize accidents. High performance heating element which has been strictly tested and with over 10,000 hours service time, sturdy structure and fine workmanship to ensure the superior quality, durable and reusable.
  • Warning: The heater needs to be completely immersed in water in working condition. It takes about 2 hours to heat 25 gallons of water from 0 °F to 104 °F. please do not use it for more than 3 hours continuously! If the capacity of your bathtub or small swimming pool is large and more than 2 water heaters are needed for heating at the same time, please do not plug the two heaters into the same outlet to avoid fire hazards. Please take out the heater before touching the water!
  • Easy to use and safe: Just Immerse in water at proper level. Plug into any grounded wall outlet.Come with a digital LCD thermometer, easy to measure water temperature. Each of our bucket heater has been strictly tested. Your satisfaction is our first priority. If you have any problems after receiving this product, please feel free to contact us, we will try to help you at anytime.
  • Wide Application: The electric immersion heating element can be used in water, especially fit for heating water in large size container like bucket, basin, bath tub, mini inflatable swimming pool, etc.This immersion heater is handy and super lightweight, making it perfect for travels and road trips.

Hayward GLC-2P-A Solar Pool Heating Control System with 3-Way Valve, Actuator and 2 PC Sensors

$361.68  in stock
2 new from $361.68
1 used from $649.99
Free shipping
Amazon.com
as of May 8, 2022 7:59 am

Features

  • Solar pool heating control system comes with 2 by 2-1/2-inch 3-way valve, actuator and 2 PC sensors
  • Automatically maximizes solar heat collection by actuating a 24V valve when there is solar heat available
  • Includes LED indicators that shows status of system operations
  • This system provides recirculation freeze protection and installer-programmable features for any-system adaptability
  • Quick, accurate, easy-to-set desired temperature controls

Hayward FDXLCNK0001 NA to LP Conversion Replacement Kit for Hayward Universal H-Series Low Nox Pool Heater

$160.99  in stock
8 new from $160.99
Free shipping
Amazon.com
as of May 8, 2022 7:59 am

Features

  • Na to lp conversion kit
  • Fits hayward universal h-series low nox pool heater models h150fdn, h150fdp, h200fdn, h200fdp, h250fdn, h250fdp
  • Also fits hayward universal h-series low nox pool heater models h300fdn, h300fdp, h350fdn, h350fdp, h400fdn, h400fdp
  • Weight 24.4 pounds

Hayward HAXCPA1932 Control Bezel Assembly Replacement for Hayward Pool Heater

$542.00  in stock
9 new from $542.00
1 used from $499.99
Free shipping
Amazon.com
as of May 8, 2022 7:59 am

Features

  • Control bezel assembly replacement. Common Union for Installation or Service, Adapts to Larger Plumbing Recommended for Greater Efficiencies
  • Fits hayward h-series electronic ed2 style pool heater
  • Weighs 40.5 lbs
  • Refer the user guide available under "Technical specifications" for installation and any other queries