Passive Solar Water Heater Ratings part 4, A Repairman Reviews The Brands...

Passive solar water heater ratings part 4 continues our expert and unbiased reviews with a look at the Gaodele, Giordano, GMO, Goodsun, Haier, Helional, Heliotherm, Himin, Immergas, Itho, and Jaysolar brands.

BRAND-------------LOOP--------BATCH

GAODELE---------NA------------<1*

These units are made in China by ZHEJIANG GAODELE NEW ENERGY CO. LTD. They feature a stainless steel inner tank for durability and evacuated tube collectors for added efficiency. The manufacturer's website is not much help and does not have a stated warranty policy. gaodele.com

GIORDANO--------1*-------------NA

These systems are made in France. The manufacturer's website is not much help and does not have a stated warranty policy. giordano.fr

GMO--------------1*-------------NA

These water heaters are made in China and are available in two sizes (100 or 300 liters). They use basic enameled tank technology but have a backup electric element for heating the water when the sun is not out. Their website is not much help and does not have a stated guarantee for their products. gmohitech.com

GOODSUN-------NA------------<1*

This brand is made and sold in India. They offer systems in sizes from 100 to 500 liters/day and feature stainless steel tanks for durability. The manufacturer's website is not much help and does not have a stated warranty policy. goodsunindia.com

HAIER------------NA------------<1*

This brand is made in China and is available in the Middle East countries. The systems use the more efficient evacuated tube solar collectors. They have stainless steel tanks for durability and are available in sizes from 130 to 270 liters. haier.com

HELIONAL--------NA------------<1*

This brand offers a variety of systems but their warranty is not very good. helional.com

HELIOTHERM-----NA-------------<1*

These units are made in Greece by HELIOTHERM SA and are available throughout Europe. They offer systems for both flat and tile roofs and have capacities from 120 to 300 liters. The manufacturer's website is not much help and does not have a stated warranty policy. heliotherm.gr

HIMIN------------NA-------------<1*

These units are made in China. The HM210 is available in seven sizes from 150 to 385 liters and use evacuated tube collectors for efficiency. The manufacturer's website is not much help and does not have a stated warranty policy. himin.com

IMMERGAS-------NA-------------<1*

The NATURAL SOL solar water heaters are available in Europe and come in three sizes. The manufacturer's website is not much help and does not have a stated warranty policy. immergas.com

ITHO--------------NA-------------<1*

The SOLIOR water heaters have a unique design and are for flat roofs. Their website is not much help and the guarantee on the collectors is not very good when compared to other brands. ithodaalderop.com

JAYSOLAR--------NA-------------<1*

This brand is made and sold in India. They offer units with flat plate collectors as well as more efficient evacuated tube models. The warranty on the water heaters is not very good when compared to other brands. jaysolar.net

Other Passive Solar Water Heater Brand Ratings

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.

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