Top 10 Best pool heat exchanger in 2026

Last Updated - 6/12/2026

🏆Best Choice

Intex

Intex 28685E 47 Inch x 47 Inch Solar Pool Water Heater Mat for 8,000 Gallon Above Ground Swimming Pool with Hose Attachment and Adaptors, Black

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Solar heater mat uses solar technology to increase the temperature of the pool water by approximately 5 to 9 degrees depending on the weather
•Features an 11-square-foot surface to absorb the sun's rays to heat up above-ground pools; Dimensions (L x W): 47.25 x 47.25 inches (flat)
•Simple and economical to use, compatible with filter pumps with up to 1/3 HP or a pump flow rate less than 2,000 GPH; Weight: 6.41 pounds
•Includes a 1.25-inch hose attachment point, a bypass valve, 1 adaptor A, and 1 adaptor B for a 1.50-inch hose connection
•Constructed of heavy-duty UV stabilized PVC; Suitable for above-ground pools up to 8000 gallons; Folds for compact winter storage

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$27.95

$31.03

-10%

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Hayward

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

9.6

ChoiceComparer.com Score

9.6

/ 10

Outstanding

Main highlights

•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

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$1039.00

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AB Pool Heat Exchanger 300 kBtu Stainless Steel 316L Same Side Ports 2" & 1 1/2" FPT for 23,800 Gallon PoolSpa/Swimming/Solar Heating

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Pool Heating Capacity: up to 23,800 gallon 300 kBtu/hr fresh pool based on 60°C (140°F) temperature difference between incoming heating and heated water
•Fully made of stainless steel 316L for swimming pool, spa, hot tub with chemical treatment, corrosion tolerant
•1 year warranty
•2" FPT same side for pool water and 1 1/2" FPT for hot water
•Various Applications: Pool/Spa/Hot tub heating, outdoor wood furnaces, hydronic heating, forced air heating, floor radiant heating, snow melting, solar water heating

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$284.99

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Hayward

Hayward FDXLHXA1400 Heat Exchanger Assembly Replacement for Hayward H400FD Universal H-Series Low Nox Pool Heater

9.3

ChoiceComparer.com Score

9.3

/ 10

Excellent

Main highlights

•Heat Exchanger Assembly
•Fits Hayward Universal H-Series Low NOx Pool Heater Model H400Fd
•2Inch X 2 1/2 Inch Civic Union Plumbing Connections; Weight 48.5 Pounds
•Country Of Origin: United States

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$1250.00

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DNYSYSJ

DNYSYSJ 1"+ 1 1/2" FPT Pool Heat Exchanger,95K SS304 Same Side,Stainless Steel Tube Shell Heat Exchanger for Spa,Solar Hot Tubs Heat Exchanger for Swimming Pool

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•👍👍【Constant Temp】-- The salt pond heat exchanger adopts an innovative spiral winding design to ensure a continuous constant temperature and indirectly transfer heat between any hot water circuit, steam circuit and any swimming pool or spa facility.
•👍👍【Rapid Heating】-- The shell-and-tube heat exchanger can provide a fresh pool at a rate of 95 kBtu/hr according to the 60°C (140°F) temperature difference between the input hot water and hot water. It gets hot immediately without waiting.
•👍👍【1/2" FPT】-- Which has the characteristics of anti-rust and salt water resistance,suitable for chlorine or salt water swimming pools and spas. 1 1/2" FPT is used on one side of the swimming pool water, and 1" FPT is used for hot water.
•👍👍【Working Principle】-- This kind of heat exchanger is a very safe, reliable, efficient and cost-effective way to heat swimming pools or spas through any hydraulic system.
•👍👍【Wide Use】-- The heat recovery pool heater is very suitable for swimming pools, spas, hot tubs, solar, hydraulic heating, oil cooling, heat recovery, snow melting, etc.

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$62.59

$65.89

-5%

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Jiabailie

Jiabailie 200KBTU Swimming Pool Heat Exchanger,Pool Heat Exchanger 304 Stainless Steel Shell 1"+1 1/2" FPT,Heat Transfer Area 4.8 Square feet for Swimming Pools,Hot Tubs,Solar

9.0

ChoiceComparer.com Score

9.0

/ 10

Great

Main highlights

•【DURABILITY】: The heat exchanger is made of 304 stainless steel, which is durable and has a long service time.
•【ENSURING CONSTANT TEMPERATURE】: The heat exchanger can ensure constant temperature, transferring heat indirectly between any hot water circuit, steam circuit, and any pool or spa facility.
•【FAST HEATING】: It is based on a temperature difference of 60°C (140°F) between incoming water and hot water, providing 200 kBtu/hr of freshwater. Therefore, it can heat the pool by transferring heat in a short time, so you don't have to wait very long.
•【SAFE TO USE】: It is safe to use because it does not catch fire, leak, burn during operation, which brings great reassurance to you.
•【MORE WATER-SAVING】: It does not waste water during operation and tries to make the best use of every drop of water, so it is more water-saving.

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$62.99

$89.99

-30%

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Hayward

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

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•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

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$989.00

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XtremepowerUS

XtremepowerUS Pool Heater up to 4,000 Gallons Above Ground Pool, Titanium Heat Exchanger Pool Heat Pump 14,800BTU/hr, 115V/60Hz

8.7

ChoiceComparer.com Score

8.7

/ 10

Good

Main highlights

•Ideal Choice for Above Ground Pools - Pool heat pump is specially designed for above ground pools. Can operate at outdoor temperatures of 40ºF to 105 ºF, while the swimming pool can be heated up to 100ºF (Depend local temperatures)
•Economic Operating - Absorbing energy from the air to heat the pool is the working principle behind the heat pumps. With energy efficiency reaching COP 5.5, its operating cost is only 1/5 of electric or gas heating systems
•A Better Way to Extend Your Swim Season - Nothing beats a warm swimming pool for your kids and the whole family! What you’ll need is a highly efficient, low operating cost heating system an XtremepowerUS pool heat pump for your pool to extend the fun for a few more months!
•Easy and Simple to Install - The heat pump pool heater allowing fast & easy hookup without professional installation. Just hook up several quick connectors, then plug and play. No need professional tools. No need a plumber!!
•Powerful Compressor - The pool heat pump equipped with powerful compressor, outputs a capacity of 14800BTU/hr. The pure titanium heat exchanger can resist any corrosion from pool water. Intelligent control system maintains the pool temperature at a consistent level. Once it starts operating, you don’t need to adjust any settings, just enjoy a warm and heated swimming pool!

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$468.00

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KinHall

KinHall Pool Heat Exchanger - 200kBtu Stainless Steel 304 Same Side Ports 1 1/2,for use in Spa,Swimming Pool, Solar, Outdoor Wood Boiler, Spa Heat Exchanger Applications

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•【OUTSTANDING RELIABILITY】 - Made in EU. Cutting-edge technology and durable titanium material makes our titanium heat exchangers resistant to environments. They can be used with all types of pool water – either treated or salt.
•【HIGH PERFORMANCE】 - Special construction of our heat exchangers boosts heat transfer and delivers better utilization of heat source. Equipped with straight tubes all of the models ensure low pressure loss, thus saving energy. Corrugated straight tubes promote turbulent flow which further intensifies heat exchange and helps reducing deposits.
•【COMPATIBLE with all types of heating】 - Our heat exchangers work with boiler, heat pump, geothermal or solar heating systems.
•【EASY INSTALATION】 - Opposite ports. Connections: Tube (Hot) side - 1.5” MPT; Shell (Pool) side - 1.5” FPT. Vertical or horizontal position to be chosen.
•【COMPACT SIZE AND COMPATIBLE】- with all types of pool installations. Wide range of models and sizes will fit most swimming pools, hot tubs, whirlpools and similar recreational water venues.

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$93.99

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