Passive Solar Water Heater Ratings part 2, A Repairman Reviews The Brands...

Passive solar water heater ratings part 2 continues our expert and unbiased reviews with a look at the Baymak, Benchmark, Beretta, Brasec, Calpak, Cascade, Chofu, Chromagen, Comisa, and Deli Solar brands.

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

BAYMAK--------------1*-------------NA

This brand is a part of BDR THERMEA and is made in Turkey. They offer a variety of units with all of the standard features and are available worldwide. The warranty on the units is not very good when compared to other brands. baymak.com.tr

BENCHMARK----------NA------------<1*

These water heaters are made and sold in India. They offer a variety of models/sizes with either evacuated tube or flat plate collectors. Their website is not much help and does not have a stated warranty policy. benchmarkagencies.com

BERETTA------------<1*------------NA

These water heaters are available in Europe, China, and South America. The NB-SOL systems are available in four sizes and offer an optional backup electric heater. Their website is not much help and does not have a stated warranty policy. berettaboilers.com

BRASEC--------------NA------------<1*

This brand is made and sold in Peru. They offer basic units with flat plate collectors but their website is not much help. macadinternational.com 

CALPAK--------------NA------------<1*

The MARK 4 systems are basic thermosyphon units. The systems are made and sold in Greece. Their website is not much help and does not have a stated warranty policy. calpak.gr

CASCADE-------------2*-------------NA

This brand is made and sold in India. They are available in 100 to 500 liter sizes and feature stainless steel tanks for durability. They are backed by a very good warranty. visitcascade.com

CHOFU--------------<1*------------<1*

These units are made and sold in Japan by CHOFU SEISAKUSHA CO. LTD. The SW1-231 models feature stainless steel tanks for durability. The manufacturer's website is not much help and does not have a stated warranty policy. chofu.co.jp

CHROMAGEN----------3*------------<1*

This brand is available internationally and offers a wide variety of system options. The thermosiphon batch systems have tanks from 80 to 300 liters in size and a backup electric element for the nights or cloudy days. The warranty on those units is not as good as many other brands. The loop systems have a better warranty when compared to other brands in that category that are on the market. chromagen.com

COMISA--------------NA------------<1*

These water heaters are available in three sizes and use basic enameled storage tanks. They have a backup electric element but their website is not much help and does not have a stated guarantee for their products. comisaenergy.it

DELI SOLAR-----------NA-------------3*

This brand is from CHINA SOLAR & CLEAN ENERGY SOLUTIONS. The systems use evacuated tube collectors for greater efficiency and are backed by a very good warranty. delisolar.com.cn

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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