Passive Solar Heating, like you described camju, is free and incredibly efficient when properly designed...and when coupled with a thermal mass (such as masonry and earth - think caves) to take advantage of thermal lag, and a properly sited building (depending on the local micro climate and topology) you can heat and cool a significant part of the year without any real supplemental energy usage. In the winter, the sun heats an interior thermal mass during the day via southern exposure, the mass then releases heat throughout the cool down stage during the night, maintaining a relatively steady temperature, when the sun comes back up, it just repeats. In the summer, the mass acts as a heat sink during the day, absorbing heat from the heated interior air, and releasing that heat during the night. Doesn't work in every climate, but Passive solar heating coupled with ventilate cooling, in a temperate climate similar to many of the upper United States, is a tried and true method that was discarded with the advent of cheap fossil fuel but remains a viable option for as far as I can see.
We should work with nature...not against it... living spaces on the leeward side - glazing along southern exposures with deep overhangs to mediate solar gain throughout the seasons, proper siting with cross ventilation contiguous with the prevailing breezes...Hopefully one day I can build my own place to try and synthesize all the interesting ideas that are out there.
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Today's Featured Article - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I’m handing him tools and he says, "give me that..." and I’ve already got it in his hand or "hand me that....."and I’ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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