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A Highly Reflective White Roof Coating for Home Cooling 29 Jul 2013 | 08:22 pm
I've received reports from two people now who have applied a coating of reflective white hydrated lime to their roofs in order to lower attic and living space temperatures and reduce cooling costs. ...
DIY Solar Air Heating Collectors: Pop Can vs Screen Absorbers 24 Jul 2013 | 06:26 am
DIY solar air heating collectors are one of the better solar projects. They are easy to build, cheap to build, and offer a very quick payback on the cost of the materials to build them. They also offe...
Two new resources on the web for the DIY solar crowd 16 Jul 2013 | 12:32 am
A couple brand new resources available on the web for the DIY solar and renewable energy crowd: Ask the Renewable Engineer This is Nick Pine's new blog site. Nick is a long time solar and renewable ...
A Test of Reflective Surfaces In Front of Vertical Solar Collectors to Improve Performance 6 Jul 2013 | 07:58 pm
I like my 100 sqft vertical collector that is integrated with the south wall of the house. It provides our solar water heating and also some solar space heating. It provides excellent performance all...
malware 14 Jun 2013 | 02:59 am
The blog seems to have developed a malware problem -- people have been reporting, and I have seen unwanted redirects to other pages. I'm going to stop posting blog entries until I can find what is wr...
Using Reflectors to Improve Collector/Window Solar Gain 8 Jun 2013 | 07:08 pm
I've added a new section that covers using reflectors to improve the performance of solar collector or passive solar gain windows. The section covers: Design tables that allow you determine the ben...
A Design Challenge: Help ClubRust with Solar Heating Low Income Homes 4 Jun 2013 | 08:07 pm
ClubRust builds several low cost homes for families in northern Mexico each year. They would like to work out a way to insulate and solar heat these homes. The very small budget for these homes makes ...
Building a Solar Heated Well House 20 May 2013 | 02:32 am
This is a very nice and well documented project on the Alt. Build Blog that covers building a freeze resistant well house. The idea is to keep the well plumbing and tanks above freezing with a passiv...
A Simple and Inexpensive High Lift Solar Pumping Setup 13 May 2013 | 01:26 am
Stan was faced with a difficult garden watering problem in which he had to get water from a spring to a greenhouse that was located several hundred feet away and 50 ft uphill from the spring. The flow...
Waterbag Solar Water Heating Collector Using Inflatable Film Cover and Soap Bubble Insulation 4 May 2013 | 08:15 pm
This is an innovative new wrinkle on the Integral Collector Storage (ICS) design from Nick Pine. With ICS solar water heaters, the collector and the storage are combined into a single unit. Basically...
