Solar Water Heating

Indirect circulation systems (Closed-loop active systems)

Pumps circulate a non-freezing, heat-transfer fluid through the collectors and a heat exchanger. This heats the water that then flows into the home. 

Benefits:

a)  Not susceptible to freeze damage in our geographical area

b)  Very little heat loss or thermosiphoning 

c)  No calcification inside collectors due to glycol/distilled water mixture

d)  OG-300 rated and therefore eligible for CSI-Thermal rebate as well as 26% Federal Tax Credit!

PV-Powered HYBRID SOLAR WATER HEATING SYSTEMS

PV-powered solar water heating systems are hybrid systems where (1) heating element is powered by 4-8f solar electric panels and a 2nd heating element is connected to the grid and serves as a booster when there is lack of sufficient solar power to heat the water to the desired temperature.

The solar panels are NOT connected to the grid and, therefore, do not fall within the limits of the service panel and operate during power outages.

 

There are 2 system currently on the market:

SunBandit,  Colorado

SunWater - by Sunearth, Inc. - Fontana, CA 

Integral collector-storage passive systems (ICS)
These work best in areas where temperatures rarely fall below freezing. They also work well in households with significant daytime and evening hot-water needs.

Replaces the well-loved "Servamatic" dome-type systems from the 80s.

Copperheart ICS -  by Sunearth, Inc., Fontana, CA

HICS - by Heliodyne, Richmond, CA

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