By reducing the amount of heat that must be
provided by conventional water heating, solar water-heating systems directly
substitute renewable energy for conventional energy, reducing the use of
electricity or fossil fuels by as much as 80%.
Today's solar water-heating systems are proven
reliable when correctly matched to climate and load. The current market
consists of a relatively small number of manufacturers and installers that
provide reliable equipment and quality system design.
A quality assurance and performance-rating program
for solar water-heating systems, instituted by a voluntary association of the
solar industry and various consumer groups, makes it easier to select reliable
equipment with confidence.
Building owners should investigate installing solar
hot water-heating systems to reduce energy use. However, before sizing a solar
system, water-use reduction strategies should be put into practice.
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