New England Breeze Solar
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Residents and business-owners in Concord who are interested in solar energy have until April 30 to sign up for a community discount program offered by New England Breeze Solar...Read more.
Solar Water Heating Frequently Asked Questions
Q: What is solar "domestic" water heating?
A: We specialize in domestic water heating - solar hot water installations for laundry, bathing and dishes. There are other solar hot water systems that tie in with your heating system to provide space heating, however, at this time we install only domestic solar hot water systems. These systems require fewer solar collectors, a lower upfront investment and can provide 50-75% of your total hot water usage.
Q: What size system do I need?
A: We recommend two collectors (32 square feet each) and a 80 gallon storage tank for households of 4 or less people. For households with 4-6 people, we recommend three collectors and a 120 gallon storage tank.
Q: How much does it cost to heat water with solar?
A: Before rebates and incentives, a two collector system is approximately $10,000; a three collector system is about $12,000. A state rebate pays for about 10% of the system cost. Then the system is eligible for a federal tax credit in the amount of 30% of the total out-of-pocket cost. Bringing the net cost closer to $6,000- $7,000.
Q: What financing is available for solar hot water systems?
A: You may be eligible for a 0% interest loan for up to $15,000 for 7 years for a new solar water heating system. Start by scheduling a free home energy assessment by contacting www.MassSave.com at 866-527-7283 and ask about the HEAT loan.
Q: How hot does solar heated water get?
A: Water can be heated to about 150-160 degrees in the summer. Closer to 90-100 degrees in the winter.
Q: What happens when it isn't sunny?
A: Water is preheated in the solar collectors and stored in the large, well insulated solar storage tank. From there it passes through your existing storage tank for the final heating, if needed. There is always a 'backup' to solar water heating. If you have a one tank solar solution, the solar storage tank will have a back up electric heating element.
Q: Can the panels be installed flush to the roof?
A: Yes. In fact, more times than not, a flush mount installation is appropriate, particularly if the roof faces south. In other instances where the roof is not ideal, we have mounted the solar collectors in an attractive awning-style.
See photos of solar water heating installations
Learn about Solar Electric (Photovoltaic) Power