PhoneEnergy_page_39

PhoneEnergy | page 39 | https://thedailydialectics.com/pdfs/tesla/PhoneEnergy/PhoneEnergy.pdf

important for your situation, free solar heating in the winter or keeping the hot sun out in the summer. If you are building a new home or plan to upgrade your furnace within a few years, choosing the right windows can allow you to get a smaller, less costly HVAC system. A somewhat cheaper…