Top 10 Best Diy Pool Heater [2024]

NoProductScoreAction
1SolarPoolSupply - Highest Performing Design - SwimEasy Solar Pool Heater System DIY Kit - 15-20 Year Life Expectancy (4-4x12 / 2" I.D. Header)9.8Buy On Amazon
2EcoSmart ECO 18 Electric Tankless Water Heater9.8Buy On Amazon
3Gesail 1500W Electric Immersion Heater9.8Buy On Amazon
4Hayward W3H400FDN Universal H-Series 4009.6Buy On Amazon
5SolarPoolSupply Industrial Grade DIY Solar Pool Heater System Kit - Lifetime Limited Warranty - Roof Friendly & Freeze Resistant (4-4'x10.5' / 168 Square Feet)9.2Buy On Amazon
6Coleman SaluSpa Inflatable Hot Tub - Portable Hot Tub W/ Heated Water System & Bubble Jets - Fits up to 6 People9Buy On Amazon
7Koehler Enterprises KE4SS Hose Clamp Blister Pack8.8Buy On Amazon
8How Your House Works: A Visual Guide to Understanding and Maintaining Your Home (RSMeans)8.4Buy On Amazon
9The Compost-Powered Water Heater: How to heat your greenhouse8.4Buy On Amazon
10Pentair 42002-0007S Control Board Kit Replacement NA and LP Series Pool/Spa Heater Electrical Systems8.4Buy On Amazon
Disclaimer: As An Amazon Associate I Earn From Qualifying Purchases.

1. SolarPoolSupply - Highest Performing Design – SwimEasy Solar Pool Heater System DIY Kit – 15-20 Year Life Expectancy (4-4×12 / 2″ I.D. Header)

  • SUPERIOR MANUFACTURING: Made from precompounded polypropylene, a process which increases the materials resistance to UV light (lengthens service life substantially).
  • QUALITY ASSURANCE: Manufactured from high-grade materials proven to last in all types of weather and withstand the harsh conditions of a rooftop for up to 15-20 years.
  • SATISFACTION GUARANTEED: Each panel is guaranteed to be free from manufacturer defects, withstand the effects of freezing weather and will not fail from corrosion or scale deposits in the walls of its water passages (10-year limited warranty).
  • HIGHEST PERFORMING DESIGN: Constructed in a tube-and-web design allowing for normal expansion and contraction as the panel heats up and cools down, extending service life.
  • DO IT YOURSELF: Includes everything you need to mount the solar panels to a roof or rack, secure with hold down strapping, make connections to and from each solar panel, complete water connections to the system’s supply and return plumbing lines, and the parts necessary to allow for automatic gravity drainage of the panels and piping.

2. EcoSmart ECO 18 Electric Tankless Water Heater

  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Amperage (amps): 75.
  • The product works and is compatible with 2 X 40 AMP (DP) breakers and 2 X 8 AWG wire
  • Lifetime warranty for residential use
  • Save up to 60% on your water heating costs with the most advanced, self modulating technology available.
  • Never run out of hot water with an ECOSMART tankless water heater.
  • Save up to 12 cubic feet of storage space.
  • Digital temperature control in 1-degree increments gives users complete control of hot water
  • 75 A

3. Gesail 1500W Electric Immersion Heater

  • High Power: 1500W, 120V (MUST USE 15A OUTLET, THE HEATER IS 12.
  • Thermostat and Auto Shut off – The middle stainless steel tube contains a thermal overload safety switch, when water reaches a certain temperature(about 180-194 degrees F), immersion heater for water can automatically cycle on and off to maintain water temperature.
  • 304 Stainless-steel Guard – The heavy duty 304 stainless-steel guard on the electric bucket heater protects the heating element from directly contacting persons or animals.
  • Simple Operation – Immerse in water at proper level.
  • UL-Listed against to the US safety standards, 12-month warranty.

4. Hayward W3H400FDN Universal H-Series 400

  • BEST FOR: In-ground pools and spas with a surface area up to 1,200 ft.
  • PREMIUM PERFORMANCE: The Hayward Universal H-Series 400,000 BTU Natural Gas Heater delivers fast premium heating performance for years of reliable, long-lasting comfort.
  • CORROSION PROTECTION: The Universal H-Series boasts exceptional protection against corrosion and premature failure caused by unbalanced water chemistry.
  • ENERGY SAVINGS: The efficient, industry-leading design reduces circulation pump run time to provide energy savings.
  • EASY-TO-USE: Intuitive front control panel provides easy operation, service and maintenance.

5. SolarPoolSupply Industrial Grade DIY Solar Pool Heater System Kit - Lifetime Limited Warranty - Roof Friendly & Freeze Resistant (4-4’x10.5′ / 168 Square Feet)

  • TOP-OF-THE-LINE MANUFACTURING: The unique square header shape maximizes flow and increases efficiency.
  • LEADING ATTACHMENT METHOD: Features an innovative clamping system with a proven record of being the best industry method for connecting panels together and to PVC plumbing.
  • SPECIALIZED STRAPLESS MOUNTING: Superior mounting method allows for strapless flush mounting to any roof type while also minimizing roof penetrations.
  • ROOF FRIENDLY DESIGN: Mounting pad & rail system minimizes roof connections – making it one of the most roof-friendly systems available! SwimJoy’s separated tube design allows the roof to breathe, preventing moisture buildup and virtually eliminates wind loads.
  • PREMIER PURCHASE PROTECTION: SwimJoy solar pool heater panels are protected by an industry leading 12-year limited warranty that includes a bonus lifetime limited warranty and freeze protection; the longest – most comprehensive warranty coverage in the industry.

6. Coleman SaluSpa Inflatable Hot Tub - Portable Hot Tub W/ Heated Water System & Bubble Jets - Fits up to 6 People

  • ENJOY THE ULTIMATE SPA EXPERIENCE: Nothing beats the feeling of sinking into a warm, bubbling Jacuzzi after a long, hard day while jets project bubbles to massage your back, neck, and shoulders.
  • EASY TO OPERATE: The digital control panel lets you dictate the water temperature (up to 104 degrees Fahrenheit) and pressure of the jets.
  • DURABLE & INNOVATIVE CONSTRUCTION: The spa’s durable PVC material and I-beam construction offer superior strength and stability while ensuring your hot tub never loses its shape.
  • SIMPLE SETUP & MAINTENANCE: No extra tools are needed to setup This portable spa.
  • BENEFITS OF A PORTABLE HOT TUB: With lift handles, the spa can be moved around with ease.

7. Koehler Enterprises KE4SS Hose Clamp Blister Pack

  • 300 series stainless steel band provides maximum corrosion resistance to salt and most chemicals
  • Micro size 4, clamping range from 1/4 inch to 5/8 inch (0,56 to 1,59 cm)
  • Ideal for installation in tight-fitting or hard to reach places
  • Suitable for a variety of applications for home, auto and industrial use
  • Versatile and easy to use and maintain

8. How Your House Works: A Visual Guide to Understanding and Maintaining Your Home (RSMeans)

9. The Compost-Powered Water Heater: How to heat your greenhouse

  • Countryman Press

10. Pentair 42002-0007S Control Board Kit Replacement NA and LP Series Pool/Spa Heater Electrical Systems

  • Control board kit replacement
  • Fits Pentair MasterTemp NA and LP Series Pool and Spa Heater Electrical Systems
  • Also fits Pentair Sta-Rite Max-E-Therm NA and LP-Series pool and spa heater electrical systems
  • Measures 6-inch length by 6-inch height by 6-inch width