Solar water heater ratings part 8 continues our expert and unbiased reviews with a look at the Harreither, HTP, Heliatos, Heliodyne, Helional, Hewalex, and Hoval brands.
The SOLAR STAR systems are made in Austria and are sold throughout Europe. The panels can be in-roof or on-roof mounted and they offer all of the parts of a system but not in an easy package. Their website is not much help and does not have a stated guarantee for their products.
This brand is available in the U.S. and features evacuated tube collectors for efficient operation. This brand also features stainless steel tanks for a long life. The PHOENIX solar water heater includes an integrated high efficiency gas fired backup heater with load matching modulation. The SUPERSTOR models feature either an integrated electric backup heater or a second heat exchanger for a backup boiler. HTP does not make the collectors or parts other than the tank/backup heater and the warranty on other parts of the system is not very good when compared to other brands. Their products are available in Canada as well as the USA but only through their dealer network.
These systems are kits for the do it yourself homeowner and are to be added to an existing water heater. The systems are available in Australia as well as the USA and Canada. They can be purchased directly from their website but it does not have a stated guarantee for them.
This brand offers several different packages to meet the needs of various areas and sizes of homes. The systems can be easily added to existing storage water heaters.
Their HELIOKIT systems contain everything in a simple package but the guarantee is not very good. They use basic flat plate collectors but are available in six sizes to match the needs of most homes.
These water heating systems are made in Poland and are sold throughout Europe. They offer systems with evacuated tube or flat plate collectors but their website is not much help and does not have a stated warranty policy.
HOVAL---------- hoval-solar.com --<1*
This brand is available in Europe. The SOLCOMPACT systems are available in water heating only or water heating with central heating backup. They offer simple plug and play installation but their website is not much help and they do not have a stated warranty policy.
You can continue to browse our alphabetical list of manufacturers but, if you are looking for a specific brand, you can enter its name in the search box at the top of the page.