10 Best Inground Pool Heater of December 2025

• 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)

SmartPool

• The Hayward Universal H-Series 400,000 BTU Natural Gas Heater delivers premium heating performance for years of reliable, long-lasting comfort
• A durable cupro nickel heat exchanger offers exceptional protection against corrosion and premature failure caused by unbalanced water chemistry
• Industry-leading hydraulic design reduces circulation pump run time to provide major energy savings
• Front-panel-only access and intuitive control pad provide easy operation, service and maintenance
• Low NOx emissions meet air quality standards in all low-NOx areas, ensuring low environmental impact

Hayward

• CONTINUOUS FLOW – Hot showers will never be interrupted again. Enjoy continuous, on-demand hot water with an unlimited supply, when you want it without wasting any energy when not needed.
• 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.
• SILENT OPERATION – One electronic flow sensor activates the noise free water heater. Digital temperature display is easy to read, while the powerful solid copper interior heating system does the work.
• TEMPRA 15 TREND – This specific model is 14.4kW, 240V9/208V, requires a min. recommended household electric service of 100 A, and offers an output water temperature of 86˚ 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.

Stiebel Eltron

• Heat your pool with a garden hose
• Save hundreds on your energy bill
• Easily connects to a standard 1 1/2" return fitting on above ground or in ground pools
• Increase the comfort and extend the swimming season of your pool
• Economical alternative to gas or electric heating

Beluga Pool Solutions

• 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

• The Hayward Universal H-Series 400,000 BTU Propane Heater delivers premium heating performance for years of reliable, long-lasting comfort
• A durable cupro nickel heat exchanger offers exceptional protection against corrosion and premature failure caused by unbalanced water chemistry
• Industry-leading hydraulic design reduces circulation pump run time to provide major energy savings
• Front-panel-only access and intuitive control pad provide easy operation, service and maintenance
• Low NOx emissions meet air quality standards in all low-NOx areas, ensuring low environmental impact

Hayward

• XtremepowerUS Panels are built from extremely high-grade materials that are proven to last in all types of weather
• Pools pump and filter system circulates pool water through the SOLAR PANELS when it is heated & then returned to your pool. Once installed, these panels are cost effective, produce no greenhouse gases, and need low to no maintenance. Extend your swimming this year at a low cost with the help from the sun!
• System is designed to be used on above-ground or in-ground pools. Each kit is made of - 2' x 20'ft panels. Each panel is made of lightweight, flexible, durable black polypropylene. The panel tube construction creates a larger surface area which optimizes heat transfer from the sun to your pool
• Quantity of these solar panels needed is dependent on the pool size and the location, which may estimate by some websites.
• Diverter kit may be required for pumps 1.5hp and greater. Sold separately under item number B01FNE41HA

XtremepowerUS

• Flow Activation
• Eco smart 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.
• Compatible with Eco smart Remote Control. Activation Flow - 12 +/- 2 GPM
• Can be used as an alternative to or booster to heat pump.
• wattage: 27000.0

Ecosmart US

• Whirlpool accessory
• Maintain constant water temperature
• Allows for longer, more relaxing soak
• All American Standard whirlpools are pre-plumbed at the factory making them ready to accept the heater
• Quick and easy two-step installation

American Standard

• FIT 3 FEET TO 15 FEET WIDE POOLS : Manual said 14 feet, actually also can fit 15 ft wide pool. Adjustment for width. This pool cover roller is suitable for 3 feet to 15 feet wide in-ground swimming pools. Include 7 section tube, you can use all of them or part of them, it depend on your pool width. If your pool is 15 feet, use all 7 section tube and the tube overlaps are 1.5 ft. If pool width 14 feet,also use 7 tube with 1.7ft overlaps. If your pool width less than 12 feet, 5 tube is enough.
• DURABLE, MAINTENANCE-FREE, RUST-FREE CONSTRUCTION. Excellent value when compared to other reels. 7-section aluminum pipe design, not easily droop. Grooved reel tube design to avoid strap fall off. The reel is well made and has a good weight. It's thick and relatively solid, the legs are stainless, the reel is aluminum.
• EASY TO ASSEMBLY & EASY TO USE: Embedded strap link design, making the pulling force bigger and more stable. Lockable telescopic tube can prevent shaking in the process of use. Because it is elevated it really works better than the normal ones that sit on the ground. This reel has a good balance and is easy enough for one person to roll up or out by themselves. What’s more, the reel itself large enough to allow the cover to easily roll off and on.
• ECO-FRIENDLY DESIGN. The swimming pool cover reel offers a unique design that allow for easy wheel barrow-style maneuverability to take your cover to or from the pool. With 1 Hand crank on one end for smooth operation helps in rolling and unrolling the cover and 2 wheels for easy portability. Has a mechanical lock to prevent rotation of roller when cover is rolled. Extra gift of a number of clips.
• WORRY-FREE GUARANTEE: We go above and beyond to provide the top quality product. This pool reel has one year warranty, if you have any questions or concerns about your order,please keep in touch with us, we’ll always provide you a timely and satisfying solution.

VINGLI