In 1979, Roger Sherman and Laurence Doxsey retrofitted a conventional home into a passive solar home while retaining the character of the original structure. Here's how they did it.
Diagram indicates new features of the retrofitted passive solar home.
PHOTO: MOTHER EARTH NEWS STAFF
LEFT: The retrofitted passive solar home retains its original character and that of the surrounding neighborhood. TOP RIGHT: The vertical wall collector absorbs heat for transfer to remote rooms. BOTTOM RIGHT: Enclosed upper and lower porches increase the amount of west and south-facing window area.
MOTHER EARTH NEWS STAFF
LEFT: Water tubes and a masonry floor capture solar heat filtering through south-facing windows. RIGHT: Enlarged passageways permit the free flow of air and heat.