Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 48 · column 4 of 6 · from the scan, no model involved

thermostats. Another alternative is to have a dual fuel or hybrid system, using two fuel sources.
Localize heating for tile floors in bathrooms keeps the area warm without heating the whole house (http:ZAvww.suntouch.net)
* Consider tankless hot water systems that heat water on demand (http://www.cpotanklesswaterheaters.com/?ref=goog
aw8820). Hot water on demand is created as the water heats by flowing through heating coils, resulting in an energy savings of up to 50 percent.
Human Comfort
* Use products that do not support the growth of mold, lb prevent moisture from trapping in wall cavities, lyvek is a house wrapping material used as a moisture harrier when professionally installed. (http^/www2.dupont.com/iyvek _Construction/en_US^)
* Use products that are low in volatile organic compounds (VOC). VOCs are chemical compounds which have a chemical reaction induced by light. They affect air quality. Water-based paints and polyurethane finishes
69.7%