10 Best Solar Water Heater of 2025

Tested and Reviewed: Top 10 Solar Water Heater deals with expert ratings from 8.1 to a perfect 10

July 2025 Edition

Editor's Choice

9.7

Heliatos

2 Panel Standard SW-38 Hybrid Solar Water Heater Kit- Single Row Installation

Editor's bottom line:

“This solar water heater is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Heats water for your house or cabin using the sun
Connects to your existing electric or gas water heater
Hybrid System - Never be without hot water even on cloudy days
Slash your electric or gas bill

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Picked by 262 people today

9.5

Aukivon

Aukivon 2025 Upgraded Solar Pool Heater with Adjustable Support Feet, Inground Pool Solar Heater, Above Ground Pool Heater, Solar Water Heater, Pool Heater for Above Ground Pool（2 Set）

Main Highlights

Eco-friendly Solar HeatingHarness the sun's energy for a green and energy-efficient pool heating solution for a sustainable and cost-effective way to keep your pool warm, allowing you to enjoy a luxurious swim without harming the environment.
Sun-Kissed EfficiencyCurved design maximizes sunlight exposure, enhancing heating efficiency for a warmer and cozier pool. The included plumber's tape reinforces the connection between the pipes and the heater, making it less prone to leaks.
Premium HDPE MaterialEnjoy superior insulation and heating performance with our high-quality HDPE solar pool heater that will hold up against frequent exposure to the sun and outdoor elements. Besides, the upgraded hose has a thickened design to avoid water leakage.
Extended Swim SeasonThe curve solar pool heater has been designed for above-ground and most inground pools. Dive into a prolonged swimming season with our upgraded solar pool heater.
Easy InstallationOur solar pool heater includes the complete set of accessories, ensuring you spend less time on setup. Feel free to contact our online customer service if you have any questions.
NOTEPlease avoid moving the heating plate during use to prevent potential damage. To avoid leaks, try to wrap several layers of tape around the connection and tighten the hose clamps.

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9.5

Kirumie

Kirumie Solar Pool Heater for Above Ground Pool, Inground Pool Warmer, Solar Water Heater with 4 Adapters, 4 Hoses & Clamps, 4 Plumbers Tape, and Telescopic Legs (2 Set)

Main Highlights

Exceptional Solar Pool Heater: Harness natural solar power without any additional costs, significantly reducing or even eliminating pool heating expenses compared to gas or electric heaterssaving you extra cash.
High-Quality Materials: Our pool solar heater is constructed from thick HDPE material and features a clear cover for superior impact and heat resistance. The streamlined, curved structure maximizes heat absorption, accelerating heat collection. The transparent cover retains heat, preventing rapid heat loss. Upgraded, reinforced hoses ensure dependable performance by preventing leakage.
Compact and Flexible: With its compact design, our solar pool heater efficiently maximizes heat output within limited spaces. It can be easily positioned on the ground or any area receiving direct sunlight, allowing you to extend your swimming season.
Universal Pool Heating Solution: Designed to suit swimming pools of various sizes, whether above-ground or in-ground. The pool heater comes equipped with hose connectors and plumber's tape, making it compatible with joints ranging from 1.25'' to 1.6''. For larger pools, we recommend purchasing multiple units to enable series or parallel connections, ensuring optimal heating efficiency.
Easy Installation: The simple installation process allows you to set up the solar pool heater quickly and effortlessly. The included telescopic leg stand adjusts to four positions in height, helping you position the heater at the optimal angle to receive maximum sunlight exposure.

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9.2

Goplus

Goplus 2.5FT x 10FT/ 20FT Solar Pool Heater for Above Ground Pool Inground Pools, Swimming Pool Solar Panel Heating System, Weatherproof Pool Warmer (2.5FT x 10FT)

Main Highlights

High-Efficiency Heating The 2 pieces of solar collector panels in the package can be connected together, with the total 10 length and 2.5 width. And the tube on web design allows to capture the most sun possible and convert it into heat. it can heat water up to 3408 gallons with high efficiency. This system can raise the water temperature by 10.8 and extend your pool season by weeks!
All-Weather PE Material The solar pool heater is made of built-to-last PE which can still work well in the lowest -20°C (-1)and highest 90°C (194), and withstand the harsh conditions of a rooftop. Also, the PE material features outstanding heat absorption, which makes full use of solar energy for optimal heating effects.
Energy Efficient Solar Panel With no electricity or gas connection needed, our pool heater absorbs and magnifies the solar rays within its streamlined housing and heats the water in your swimming pool thoroughly and quickly, which is eco-friendly and also economical.
Roll-up Design for Multiple Places With a roll-up design, the heating collectors are easy to be carried anywhere. And you can use the heating panels for both aboveground and inground pools. Plus, multiple places are ideal for installation, such as the ground, an inclined frame or a roof. Noted: Water pump is not included which power rate is not less than 0.75HP and pressure does not exceed 1.5bal(21 PSI)
Complete Connecting Kits Coming with multiple connecting accessories including end caps, hose clamps, connector hoses, elbow connectors and hose adapters, the solar pool heater can be firmly connected to your water hose.

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9.0

Save 10%

4Patriots

4Patriots Sun Kettle: Portable Solar Water Heater For Hunting & Emergencies - 16.9 oz Capacity

10% OffFree Shipping

Main Highlights

BOIL WATER: The Sun Kettle uses solar power to boil your water. It traps sunlight & focuses it on the tempered glass tube in the middle of your solar flask. Your water heats up to 212°F in about 45 minutes depending on your weather conditions. With the Sun Kettle, you can create boiling water without hassle.
PORTABLE & LIGHTWEIGHT: The Sun Kettle weighs 2.65 lbs. It's light enough to pack in a backpack, Bug-Out Bag or in a handbag. It's made from durable ABS plastic to stand up to bumps & drops. And the inside is "shatter-resistant" tempered glass. It's durable & can resist a few tumbles wherever you travel.
16.9 FLUID OUNCES: Each Sun Kettle holds up to 16.9 fluid oz of water. It's a great solar cooker for MRE meals, a couple of hotdogs or coffee for 2. Or use the water for an easy clean-up while camping. Perfect for campers looking for hot food & drinks in a "no burn" zone. Or a survival situation where you need a personal water heater.
FREE FROM GAS, ELECTRICITY & FUEL: You won't need gas, electricity or fuel with the Sun Kettle. All you need in sunlight to create boiling water. The Sun Kettle also doesn't produce smoke, so you won't be coughing up a lung when you use it. It's great for campers who need a portable water heater that doesn't use gas or electricity.
PERFECT FOR: Campers, Hikers, Fishers, Hunters, Backpackers & anyone that enjoys the outdoors. Works great at a campsite, tailgate, in survival situations, while RVing, & at home. The portable frame makes it great for travel. You can use this personal solar flask anywhere you have sun. And with a 100% money-back promise, there's no risk to you.

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8.8

Save 11%

Intex

Solar Mat Water Heater - Black Bundled w/Wall-Mounted Automatic Skimmer

11% Off

Main Highlights

Bundle Includes: Solar Mat Water Heater - Black & Wall-Mounted Automatic Skimmer
Intex Solar Mat Above Ground Swimming Pool Heater | 28685E
Features solar technology
Increases temperature of the pool water by approx. 5 to 9 degrees depending on weather
Simple hook up and you're ready to take the heat

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8.6

ADVANCED ELEMENTS

Advanced Elements 5 Gallon Summer Shower / Solar Shower,Silver/Black

Free Shipping

Main Highlights

Construction - 4-ply construction with reflector panel and insulator panel for optimized heat retention and performance
Capacity - This summer shower has a large 5-gallon capacity and is designed to heat water fast in the warm sun
Temperature guage- Easy-to-read temperature gauge to know when your shower is warm. The shower can heat up to 110 degrees in under 3 hours in direct sunlight
Convenience- Integrated toiletry pouch can hold a razor, mirror or travel shampoo bottles and Velcro straps for wash cloth

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8.3

Save 9%

Lakkzoom

Immersion Water Heater,with 304 Stainless Steel Cover Intelligent Temperature Control and Digital LCD Thermometer Portable Bucket Heater Heat 5 Gallons of Water in Minutes

9% OffFree Shipping

Main Highlights

Safety design: UL certified instant water heater with high-quality stainless steel protective cover, effectively prevent heating elements from direct contact with humans or animals, rust resistant and durable. Our immersion water heaters are designed with intelligent temperature control and automatically cut off the power when the water temperature reaches 75 ° C (165°F).WARNING:When using, first put the water heater into the water, be sure to ensure that the water heater is fully immersed in water, and then plug in the socket. Determine the operation sequence to effectively prevent fire.
Fast Heating:1500W high-power electric water heater can heat up to 5 gallons of water in minutes. Heat dissipates to the water faster by flowing through the holes in the guard. The heater needs to be completely immersed in water in working condition. Please take out the immersion water heater before touching the water! WARNING: It is recommended not to use more than one hour, you need to quickly heat a lot of water can use more than one water heater at the same time, But never plug two water heaters into the same socket to avoid causing a fire.
Wide Range Of Applications:Our portable pool heater suitable for portable bathtub,mini pool(Using more than one),sink, bucket, washbasin,etc.Make sure the container can hold hot water when using it.This immersion heater is handy and super lightweight, making it perfect for travels and road trips.Note, it is not suitable for using in big swimming pool .WARNINGEnvironmental problems: The use of the Immersion Water Heater did not operate this appliance within 3 ft (1 m) of any structure,combustible material, or other gas cylinders which increase the risk of fire.
Easy To Use :Take Electric Submersible water heater immerse in water at proper level,Plug into any grounded 110V AC outlet. with a digital LCD thermometer, easy to measure water temperature. Check power indicator light to make sure immersion water heater is working .Please note: people and animal can't be in the water while the heater is working.WARNING: Always make sure that the Water Heater is completely immersed in water when using, do not let part of it exposed to the air, which can cause a fire.
Satisfactory Service: Lakkzoom immersion heater provides replacement service, when you encounter product quality problems and use problems, please contact us in time, we will provide you with professional and satisfactory service. Our portable water heater contains 1* water heater, 1* digital thermometer, 1* stainless steel cleaning ball, 1* instruction manual, This is a gift for friends and family.

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8.1

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

Free Shipping

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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Best Value

8.1

Save 40%

DkOvn

DkOvn 1/2/4 Pack Solar Shower Bag, 5 Gallons/20L Camping Shower Bag, Portable Shower Bag with Removable Hose and On-Off Switchable Shower Head for Camping Beach Swimming Outdoor Traveling(2 Pack)

40% OffFree Shipping

Main Highlights

Large Capacity- You will get 2 pack solar shower bags with a large water capacity of 5 gallons/20L, enough for about 2 or 3 showers. The water flow is fine and gentle, bringing you a better shower experience!
Easy to Use- It is designed with an on/off adjustable switch to control the water flow. The hanging hook sling can be easily hung on a tree or shower tent to wash your body, your face, hands, or wash dishes, food, cars, etc.
Camping to Glamping- It allows you to enjoy a refreshing and pleasant shower during rafting, camping, fishing or hunting. You can also take it to the beach in summer and wash off the salt and sand after swimming.
Durable Material- The solar shower uses a sturdy handle belt and a reinforced plastic tube, and is made of durable PVC material, which is non-toxic and environmentally friendly, durable and not easily deformed.
Heat Absorption Design- Under direct sunlight, the camping shower bag can heat water to 105°F (40°C) in just 3 hours. No need for gas or electricity to enjoy a warm shower outdoors!

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Our Best Overall Choice

Best Choice

9.7

Heliatos

2 Panel Standard SW-38 Hybrid Solar Water Heater Kit- Single Row Installation

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Heats water for your house or cabin using the sun
Connects to your existing electric or gas water heater
Hybrid System - Never be without hot water even on cloudy days
Slash your electric or gas bill

Show Price

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