This overview of residential energy efficiency is appropriate for future auditors, would-be retrofitters, and anyone else who lives in a house. It starts with the basics of heat, air, and moisture flow. Common building performance problems and their solutions are outlined. Condensation, indoor air quality, and combustion safety are briefly covered. Come and get the knowledge you need to understand the lingo, to prepare for more detailed sessions, or to make the right decisions about your own home.