Uncovers the mysteries behind just about every major appliance and building element in your house. Clear, full-color drawings show you exactly how these things should be put together and how they function, including what to check if they don’t work. Covering topics such as electrical systems, heating and air conditioning, plumbing, major household appliances, foundation, framing, doors, and windows, this updated Second Edition has new chapters related to sustainability in and outside the house, as well as new topics, including clock thermostats, ventless gas heaters, moisture and mold, and passive solar heating.