Discount Goods Go Green With a Solar Hot Water ... - HOME - FC2

Many people in the U.S. can produce more than half their domestic hot water needs with a solar hot-water system. In Arizona and other southern regions of the US this can be more than 80% savings. Solar hot-water systems can be either active or passive. Most solar hot-water systems use a pump to move fluid through one or two collectors. Thermosiphon systems, suitable for simple domestic hot water systems in frost-free climates, rely on natural convection to move water.A solar hot-water system is cheaper than a solar space heating system but still costs considerably more than a than conventional water heater, typically between $6,000 and $9,000. Homeowners should budget for regular maintenance, including periodic checks on the pH of the system's glycol solution.An electric resistance or gas water heater should never be used as the only tank in a solar hot-water system. In a solar storage tank, water stratifies by temperature; cool water from the bottom of the tank is pulled up to the collectors to be heated and is returned to the top of the tank. The colder the incoming water, the higher the solar collector's efficiency. In a single tank system, the electric element or gas flame keeps the stored water hot, leaving no cold water available to send to the solar collectors.In most cases, credits or rebates can defray some of the cost of installing a solar water heater and are available from local utilities or state and federal governments. Solar systems offer stability and predictability when it comes to energy costs and supply. That's not something that any system running on fossil fuels can match.
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Jim Holt is a Builder and Construction Consultant by trade. To find additional information on Jim and his company, Erus Builders, please view his blog http://jimiholt.com/blog and the company website http://erusbuilders.com We are here to offer free assistance with building and construction related issues. Our background covers all aspects of commercial and residential construction to include: home improvement, new custom homes, commercial building, land development, remodels, additions, updating, tenant improvement, building maintenance, condo, apartment, hospitality, medical, industrial, site work and utilities, and more. You can find additional free information and videos from Jim by searching for him on the web.

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