A blog about personal experience in green technologies.
Friday, February 25, 2011
Periodically over the last few months, I've been checking the temperature on the solar hot water tank. It hasn't been over 80 degrees since the beginning of December. When I checked last weekend, it was 84. Here's why:
This picture was taken around noon last Wed. looking south from the west side of the house. The sun is over the redwood trees now, which means the solar thermal collector on the northeast side of the roof is getting more than 4 hours of sun a day.