By Ethan BrooksUpdated November 2026
If you want to heat your pool without paying for a full installation crew, a do it yourself pool heater solar kit is the most practical route. These kits bundle collector panels, fittings and mounting hardware so you can plumb them into an existing filter loop. The five picks below were compared on the criteria that matter most for DIY work: how well each kit matches common pump flow rates, how it mounts to a roof or ground frame, how it handles freezing temperatures, and whether it suits above-ground or inground pools. Specifications come from manufacturer listings and commonly reported owner experience, not from any testing of our own.
Our top picks at a glance
- 1
TOP CHOICEBest overallDoheny's Solar Heating Systems for Above Ground Swimming Pools (2.5' x 20' Collector Kit)View on Amazon - 2
TOP CHOICEBest for small backyard poolsGoplus 2.5FT x 16.5FT Solar Pool Heater for Above Ground Pool Inground PoolsView on Amazon - 3
TOP CHOICEBest for cold climatesIndustrial Grade Solar Pool Heater DIY Kit – Superior High-Wind Strapless Mounting SystemView on Amazon - 4
Best for Intex owners28685E Energy-Efficient Heating Solar Pool Water Heater Mat for Intex PoolsView on Amazon - 5
Best budget pickGoFloats V2 Inflatable Solar Pool Heaters 3 PackView on Amazon
Our Top Picks
Quick Comparison
| Product | Best for | Key feature |
|---|---|---|
| Doheny’s Solar Heating Systems for Above Ground Swimming Pools (2.5′ x 20′ Collector Kit) | Above-ground pools with a standard filter pump | Long collector run in a tube-style panel |
| Goplus 2.5FT x 16.5FT Solar Pool Heater | Small backyard pools | Compact footprint that is easy to mount |
| Industrial Grade Solar Pool Heater DIY Kit | Cold climates and windy sites | Strapless high-wind mounting and freeze resistance |
| 28685E Energy-Efficient Heating Solar Pool Water Heater Mat | Intex pools on a pump up to 2,000 GPH | Mat design sized to Intex frames |
| GoFloats V2 Inflatable Solar Pool Heaters | Shoppers wanting a low-commitment starter setup | Floating units that need no roof mounting |
Doheny’s Solar Heating Systems for Above Ground Swimming Pools (2.5′ x 20′ Collector Kit)
Doheny's Solar Heating Systems for Above Ground Swimming Pools (2.5' x 20' Collector Kit)
Best for: Above-ground pools that want a full-length collector kit with a conventional filter pump.
This kit suits owners with a ground-level or raised-wall pool who can mount panels on a rack, roof or sloped ground frame. It is a traditional DIY route: you connect the collector to the return line and let the pump push water through the panel.
Key specs:
- Collector size: 2.5 ft wide by 20 ft long (per listing name)
- Designed for above-ground pool filter loops
- Works with standard pool pump return plumbing
Pros:
- Long collector length gives a large heating surface for its footprint.
- Straightforward connection to a standard return line.
- Well suited to owners who already have space for a mounted panel.
Cons:
- Mounting and plumbing take real time and basic tools.
- Output depends heavily on sun exposure and pump flow.
Bottom line: A sensible first choice for an above-ground pool owner who has a sunny, open mounting spot and is comfortable with basic plumbing.
Goplus 2.5FT x 16.5FT Solar Pool Heater for Above Ground Pool Inground Pools
Goplus 2.5FT x 16.5FT Solar Pool Heater for Above Ground Pool Inground Pools, Swimming Pool Solar Panel Heating System, Weatherproof Pool Warmer (2.5FT x 16.5FT)
Best for: Small backyard pools where space and mounting area are limited.
This shorter collector suits owners with compact pools or a tight equipment area. Its 16.5-foot length keeps the footprint manageable while still adding meaningful heat during sunny days.
Key specs:
- Collector size: 2.5 ft by 16.5 ft (per listing name)
- Suitable for above-ground and inground pools
- Weatherproof panel construction
Pros:
- Compact size fits narrow side-yard or fence-line mounting.
- Lighter overall load than longer collectors.
- Works for both above-ground and inground pool plumbing.
Cons:
- Shorter collector means less heat gain on cloudy or cool days.
- Not ideal for large pools that need faster temperature rise.
Bottom line: Good for owners of smaller pools who want a modest, space-friendly DIY setup.
Industrial Grade Solar Pool Heater DIY Kit – Superior High-Wind Strapless Mounting System
Industrial Grade Solar Pool Heater DIY Kit – Superior High-Wind Strapless Mounting System & Maximum Freeze Resistance (2-4'x6.5' / 52 Square Feet)
Best for: Cold climates and exposed sites where wind and freezing are the main concerns.
This kit is aimed at owners in windy or cold regions. Its strapless mounting system is designed to reduce the strap and anchor work typically needed to keep panels down in gusts, and the listing emphasizes freeze resistance.
Key specs:
- Coverage: 2 to 4 ft by 6.5 ft, about 52 square feet (per listing name)
- Strapless high-wind mounting system
- Marketed for maximum freeze resistance
Pros:
- Mounting design suits windy sites better than basic strap systems.
- Freeze resistance is a stated priority, useful in cold seasons.
- Substantial collector area for its size.
Cons:
- Mounting requirements can still be demanding on uneven roofs.
- Freeze protection still requires draining or winterizing in hard freezes.
Bottom line: The pick for owners in windy or cold areas who want a sturdier, weather-focused DIY system.
28685E Energy-Efficient Heating Solar Pool Water Heater Mat for Intex Pools
28685E – Energy-Efficient Heating – Designed to work with INTEX Filter Pumps up to 2,000 GPH, 47.25" x 47.25" INTEX Solar Pool Water Heater Mat for Above Ground Swimming Pools
Best for: Owners of Intex above-ground pools who want a simple mat-style heater.
This mat is sized for Intex frame pools and is designed to work with Intex filter pumps up to 2,000 gallons per hour. It lies flat, which removes most roof-mounting work.
Key specs:
- Mat size: 47.25 x 47.25 inches (per listing name)
- Designed for Intex filter pumps up to 2,000 GPH
- Lay-flat mat format for ground placement
Pros:
- Easy to place on the ground or pool deck with no roof work.
- Matched to Intex flow rates, reducing sizing guesswork.
- Low-complexity installation.
Cons:
- Limited heating area compared with full collector kits.
- Only practical for smaller pools.
Bottom line: A straightforward choice for Intex owners who want a flat, low-effort heater and accept a modest temperature gain.
GoFloats V2 Inflatable Solar Pool Heaters 3 Pack
GoFloats V2 Inflatable Solar Pool Heaters for Affordable Pool Heating and Insulation – 3 Pack
Best for: Shoppers who want a low-commitment starter setup with no plumbing or roof mounting.
These floating units sit on the water surface and absorb sunlight directly. They suit owners who want to test whether solar heating works for their pool before committing to plumbed panels.
Key specs:
- Sold as a 3-pack (per listing name)
- Inflatable floating design
- No roof or rack mounting required
Pros:
- Very simple setup: inflate and float.
- No plumbing changes to the filter system.
- Also helps reduce evaporation and heat loss at the surface.
Cons:
- Heat gain is generally smaller than plumbed collectors.
- Needs to be moved, stored and kept free of debris.
Bottom line: Best for budget-minded owners or anyone wanting a light, reversible way to add some warmth.
Buying Guide
Match the collector to your pump flow rate
Solar collectors work best when the pump moves enough water through them without overloading the system. Check your pump’s rated GPH and the manufacturer’s recommended flow range before buying. Many Intex-compatible products list a 2,000 GPH ceiling, and running a weaker or stronger pump outside that band can reduce efficiency or strain the pump.
Good picks for this: 28685E Energy-Efficient Heating Solar Pool Water Heater Mat, Doheny’s Solar Heating Systems
Check collector size against pool volume and surface area
Bigger pools need more collector area to see a noticeable temperature rise. A short collector on a large inground pool will take much longer to warm the water, while a long collector on a small pool may overshoot your needs on sunny days. Compare the collector square footage to your pool’s gallons and surface area.
Good picks for this: Goplus 2.5FT x 16.5FT Solar Pool Heater, Industrial Grade Solar Pool Heater DIY Kit
Plan the mounting location and sun exposure
Panels should face the sun with minimal shade from trees or structures for most of the day. In the Northern Hemisphere, a south-facing or near-south exposure generally works best. Mounting height and roof pitch affect both sun angle and how much wind load the panels take.
Good picks for this: Industrial Grade Solar Pool Heater DIY Kit, Doheny’s Solar Heating Systems
Look at wind resistance and mounting hardware
Windy sites are hard on loose or poorly anchored panels. Strapless and high-wind systems reduce the number of straps and anchor points you need to manage. Confirm what hardware is included and whether you need extra brackets, screws or rated fasteners for your roof type.
Good picks for this: Industrial Grade Solar Pool Heater DIY Kit, Goplus 2.5FT x 16.5FT Solar Pool Heater
Consider freeze protection and climate
If your pool sees hard freezes, check whether the collector is rated for freeze resistance and plan to drain or winterize the panels. Freezing water inside a collector can crack the housing. Owners in mild climates may not need this and can focus on heat gain instead.
Good picks for this: Industrial Grade Solar Pool Heater DIY Kit, GoFloats V2 Inflatable Solar Pool Heaters
Decide between plumbed and floating heaters
Plumbed collectors move water through the panel and generally deliver more heat. Floating heaters need no plumbing and are easier to remove, but they add less energy to the pool. If you are unsure whether your pool will use solar heat consistently, a floating unit is a lower-risk first step.
Good picks for this: GoFloats V2 Inflatable Solar Pool Heaters, Doheny’s Solar Heating Systems
Think about maintenance and durability
Check the seams, fittings and UV-resistant materials, and plan to rinse debris and check for leaks at the start of each season. Plan for periodic inspection of the plumbing connections, especially at unions and valves.
Good picks for this: Goplus 2.5FT x 16.5FT Solar Pool Heater, 28685E Energy-Efficient Heating Solar Pool Water Heater Mat
FAQ
Can I install a do it yourself pool heater solar kit myself?
Most owners with basic plumbing and roof or rack experience can install a plumbed kit. Work on the pump line and any roof mounting carries risk, so if you are unsure about electrical, pressure or structural loads, consult a licensed professional.
How much heat can a solar pool heater add?
Results depend on sun exposure, air temperature, pump flow and pool size. Plumbed collectors generally add more heat than floating units. Expect a gradual rise over sunny days rather than a fast jump.
Do I need a bypass valve or check valve?
Many DIY setups use a diverter or bypass valve so you can send water through the collector only when you want heat. A check valve or vacuum relief arrangement helps prevent backflow and protects the pump, which is worth reviewing in the installation instructions.
Will a solar pool heater work with my existing pump?
It can, provided the pump’s flow rate falls within the collector manufacturer’s recommended range. Check your pump’s GPH rating and compare it against the kit’s specifications before buying.
How do I protect a solar collector in winter?
In freezing areas, drain the collector and the connecting lines before a hard freeze, or use a freeze-resistant design and follow the manufacturer’s winterizing steps. Never leave water trapped in panels when temperatures drop below freezing.
Are floating solar pool heaters as effective as plumbed panels?
Generally no. Floating heaters add modest heat and also reduce evaporation, but plumbed collectors move a larger volume of water through a larger heating surface. They are a lower-effort option rather than a full replacement.
Conclusion
For most above-ground owners, Doheny’s Solar Heating Systems offers the most straightforward plumbed route for a sunny site. Owners of small pools may prefer the Goplus 2.5FT x 16.5FT for its compact footprint. If wind and freezing are your main concerns, the Industrial Grade Solar Pool Heater DIY Kit is built around those conditions. Intex owners should look at the 28685E mat for flow-matched simplicity, and anyone wanting a low-commitment start can try the GoFloats V2 floating units. Match the pick to your pump flow, pool size and climate before you buy.
Sources
- Federal guidance on solar water heating basics, system types and efficiency considerations (energy.gov)
- Research on solar thermal performance, collector design and climate effects (nrel.gov)
- Consumer safety information on pool equipment, electrical hazards and drowning prevention (cpsc.gov)
Related reading
- 6 Best Do It Yourself Solar Pool Heater Kits (2026)
- Xtremepowerus Solar Pool Heater: Setup, Sizing and Common Mistakes
- What Is a Solar Pool Heater Vacuum Breaker and Why Does It Matter?
About Ethan Brooks
Ethan Brooks is part of our editorial team and reviews and edits our solar water systems guides, checking product details against manufacturer specifications and owner feedback.
