Top 18 Solar Water Heater Brands in 2025

The most popular brands for Solar Water Heater Includes Solar, Vaillant, Buderus, Glow-Worm, Heatrae Sadia, Potterton, Baxi, Junkers, VEVOR, Rheem among many others.

1

Solar

Popular Brand

SEPCO has made a name as a pioneer in the solar lighting industry. The brand originated in 1979 when Steve Robbins realized the potential that solar energy had. It has been manufacturing commercial solar lighting and off-grid solar power systems for the last three decades. With products like the first solar street light and the solar lighting system for bus stops, SEPCO's extensive portfolio proves its dedication.

2

Vaillant

Popular Brand

Valliant provides comfortable solutions for people to tackle increasing carbon footprint without making a 360-degree change to their lifestyle. The company has worldwide operations in heating technologies and cooling systems with a vision to preserve nature against excessive carbon emissions. Various boilers like combi boilers, system boilers, and regular boilers are suited for every bathroom per the customer's needs and budget. Valliant also presents eco-friendly and renewable central heating options which have been innovated to provide comfort to people and mother nature. Customer service is prompt in response which gives utmost consumer satisfaction.

3

Buderus

Popular Brand

Buderus produces a wide range of solutions for energy-efficient systems. Being an internationally selling company, it has customized products as per your weather and requirement; be its cooling, heating or ventilation, Buderus has all of it. To face the difficulties of climate change, they employ cutting-edge technology. It includes, for example, our heat pumps and hybrid systems, which use renewable energy and minimize co2 emissions.

4

Glow-Worm

Best Brand
5

Heatrae Sadia

Best Brand

Heatrae Sadia is the industry leader when it comes to electric heating and hot water systems used at home or in commercial spaces. Their technology, combined with their expertise and work ethic, results in many years of working with clients who report complete satisfaction with their services. Their services also include drinking water solutions. As innovators, their Megaflo heating systems have won accolades and are one of their most reputed products.

6

Potterton

Best Brand

Potterton has been a prominent brand at the forefront of commercial boiler manufacture and research for nearly a century. It provides a complete selection of floor standing, wall hanging, and pressure jet boilers to fulfill your domestic and commercial hot water and heating demands. Their pressure jet series features a low-temperature hot water commercial boiler that is easy to install and runs efficiently. They partnered with Baxi to deliver dependable services to builders and specifiers.

7

Baxi

Best Brand

Baxi understands that a boiler is a significant investment for your home. It offers cost-effective and highly efficient boilers to help customers choose the best product for their families. From Combi and Heating Boilers to Light Commerical Boilers, Baxi has different products for different needs. Easy to install and use, Baxi promises to offer products that are convenient, energy-saving, and of unsurpassed quality. Baxi promotes and supports social, economic, and sustainable responsibilities, one product at a time.

8

Junkers

Best Brand

At Junkers, get the best of watches at great deals and offers. With Junkers, limited edition watches avail the best...

9

VEVOR

Vevor brings you all the equipment you’d need for day-to-day living, everything from the kitchen to your garden tools, at...

10

Rheem

Rheem Manufacturing Company is an American manufacturing company that produces residential and commercial water heaters and boilers, heating, ventilating, and...

11

Rinnai

Using heat to let people lead a comfortable life is when Rinnai comes into the picture. It provides home heating...

12

KUDOS

KUDOS is a company that sends enjoyable presents to your loved ones. They try to make gifting an experience worth...

13

Viessmann

Viessmann is a leading manufacturing company that produces innovative heating and refrigeration systems. The company has been in the market...

14

Oatey

Oatey plumbing solutions are known for their inventive and long-lasting efficiency in both business and residential settings. Oatey is committed...

15

Aquamax

Providing premium quality pool equipment to maintain your pools is Aquamax's goal. Over a decade of experience in manufacturing pool...

16

TMS

Light up your homes with the most up-to-date and cutting-edge lighting to make them feel brighter and more welcoming. TMS...

17

Robertshaw

Robertshaw takes care of multiple temperature settings for your house or commercial space. The company offers heating and cooling products...

18

Caleffi

Caleffi is a well-known and established company that provides high-quality components for air conditioning and heating. Both domestic and industrial...

Solar Water Heater Buying Guide

Solar water heaters are an excellent way to save money on your energy bills and reduce your carbon footprint. With numerous brands and models available on the market, choosing the right one can be challenging. In this guide, we'll explore the most important factors you should consider when buying a solar water heater.

Types of Solar Water Heaters

Solar water heaters come in different types, each with varied features, pros, and cons. They include:

  • Passive Solar Water Heaters: These systems are relatively simple and usually cheaper to install. They rely on the natural convection process to move heated water from the collector to the storage tank. However, they may not be as efficient in colder regions.
  • Active Solar Water Heaters: These systems use pumps or blowers to move heated water or a heat-transfer fluid from the collector to the storage tank. They are efficient in areas with fluctuating temperatures or during the winter. They are usually more expensive and require professional installation.
  • Direct Solar Water Heaters: These systems use water-filled collectors that heat the water directly. They are efficient in areas with high solar radiation levels but may be less effective in colder or cloudy regions.
  • Indirect Solar Water Heaters: These systems use a heat-transfer fluid such as antifreeze to absorb heat from the collectors and transfer it to the water in the storage tank. They are suitable for colder regions but may require more maintenance.

Size and Capacity

The size of the solar water heater you purchase should be based on your household's hot water usage, climate, and water temperature. A household of two people may require a 50- to 60-gallon solar water heater, while a household of four may need a 80- to 100-gallon system.

You should also consider the solar collector's size in relation to the storage tank. A larger collector can heat more water, but it may also require more roof space and be more expensive. Similarly, a larger storage tank can accommodate more heated water, but it may also be more costly and bulky.

Efficiency and Performance

The efficiency and performance of a solar water heater can determine its effectiveness and lifespan. The following factors affect a solar water heater's efficiency:

  • Solar Collector Efficiency: The collector should be able to absorb as much solar radiation as possible and transfer it to the water or heat-transfer fluid. An efficient collector can have an absorption rate of up to 95% and a heat loss rate of less than 6%.
  • Insulation: The storage tank should be adequately insulated to retain the heated water's temperature for longer. An insulation rating between R-12 to R-25 is standard.
  • Temperature and Climate: Solar water heaters are dependent on sunlight to generate heat, making their efficiency and performance reliant on the prevailing temperature and weather conditions. Colder or cloudier regions may require larger collectors or backup systems to supplement the hot water supply.
  • Quality and Durability: The quality of the solar water heater components can determine its durability, reliability, and effectiveness. Look for models with high-quality materials such as copper or aluminum for the collector and stainless steel or vitreous enamel for the storage tank.

Maintenance and Warranty

A solar water heater requires regular maintenance to ensure its optimal performance and longevity. Factors to consider include:

  • Cleaning and Flushing: The collector may collect dirt, debris, or mineral deposits, which can reduce its efficiency. Regular cleaning and flushing can prevent clogging and ensure the continuous flow of heated water.
  • Replacements and Repairs: The components of a solar water heater may wear out or fail over time. Consider the availability and cost of replacement parts and the complexity of repairs.
  • Warranty: A solar water heater's warranty can cover repairs, replacements, or labor costs in case of defects or malfunctions. A longer warranty period can indicate the manufacturer's confidence in the system's durability and quality.

Costs and Savings

The cost of a solar water heater can vary depending on the type, size, quality, and brand of the system. Installation costs may also vary depending on the complexity of the setup and the availability of professional installers. However, the long-term savings from using a solar water heater can offset the initial costs and provide significant benefits, including:

  • Energy Savings: A solar water heater can save up to 85% of the electricity or gas usually used for water heating. It can significantly reduce your energy bills and provide a return on investment within a few years.
  • Environmental Benefits: A solar water heater reduces your carbon footprint and minimizes greenhouse gas emissions. It is an excellent way to contribute to global efforts to combat climate change.
  • Home Value: A solar water heater can increase your home's value and attractiveness to potential buyers. It is a long-term investment that can provide significant returns when selling or renting your property.

Conclusion

Choosing the right solar water heater requires careful consideration of numerous factors, including the type, size, efficiency, performance, maintenance, and cost. A high-quality solar water heater can provide significant energy savings and environmental benefits while increasing your home's value and comfort. Consult a reputable installer or contractor to help you choose and install the best solar water heater for your needs.

Categories Similar to Solar Water Heater

Top similar topics to Solar Water Heater Includes among many others.