Low Cost Owner Installed Domestic Solar Water Heater Demonstration. Final Report

摘要

An owner installed and tested domestic solar water heating system is presented. The components of the system include: a solar collector, heat exchanger, storage tank, refrigerant, copper tubing, plumbing and electrical supplies, insulation for tubing and tanks, and building supplies. A cost breakdown for each of the components is provided. The total installation costs came to $2494. Daily water temperature readings were taken for the months of March through December. Test results show that the solar water heater provides $217 in savings per year with a payback period equal to 7.7 years. (ERA citation 10:041533)