Buildings can be designed in harmony with the natural environment, and new techniques of "active" solar design exist to collect and use solar energy for space heating and cooling. Preservation and reuse of existing buildings and neighborhoods are other ways to conserve energy. (Author/MLF)

This document is the Massachusetts Energy Extension Service training manual for Residential Energy Auditors. This manual is part of a four-week program to train persons to perform home energy audits and was developed under the Energy Conservation Analysis Project (ECAP) at the University of Massachusetts. The chapter titles include: (1) Project…