Indirect Water Heater Ratings, A Repairman Reviews The Brands...

With our indirect water heater ratings, you can cut through all the sales hype and find value. We have researched the manufacturers' data and combined that information with our years of service experience in the hvac industry to provide our unique rating system. It truly is like taking a repairman with you while you shop.

These reviews are for domestic hot water storage systems that do not have a built in burner, element, or other device for heating the water. They are typically connected to a central heating boiler, geothermal heating system, or solar water heating system.

World's Best Basic Indirect Water Heater

Our top pick is the TRIANGLE TUBE brand which is a part of ACV GROUP. The SMART units feature tank in tank design which provides for great heat transfer and self cleaning of the tank. They are available in seven sizes and backed by a very good warranty.

World's Top Indirect Water Heater

The IBC brand offers a variety of sizes from 30 to 115 gallons in both compact and tall models to fit all kinds of installation conditions. They feature durable all stainless steel construction and are backed by a very good warranty.

Other Indirect Water Heater Ratings:

We continue our indirect water heater ratings with an alphabetical list of manufacturers and reviews of their products. If you are looking for a specific brand, you can enter its name in the search box at the top of the page.



These water heaters use standard tank technology and are made in Finland. They offer a variety of models but their website is not much help and does not have a stated guarantee for their products.


This brand is made in Turkey and is available in a wide variety of sizes. They use basic enameled tank technology and offer an optional backup electric element. Their website is not much help and does not have a stated warranty policy.


This brand is from KINGSPAN RENEWABLES LTD. and is made and sold in the U.K. The AEROCYL range features copper tanks for corrosion resistance and durability. They are designed for use with heat pumps and solar systems. The warranty on the tanks is just not very good.


The HYDROMAX models are available in two sizes (41 or 80 gallon) and feature digital controls. They have a built-in composite stand so that the units can be installed directly on any floor. The standard warranty is not very good but can be extended.


These tanks are made in Turkey. They offer both stainless steel and enameled tanks but their website is not much help and does not have a stated guarantee.


This brand is available in Europe and uses basic tank technology. They are available in seven sizes to match the needs of the home but the warranty on the tank is not very good when compared to other brands.


The AQUABRAVO models are available in a variety of sizes and feature durable stainless steel tanks.


These water heaters use basic tank technologies and the guarantee on the tanks is not very good when compared to other brands.

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