Historical
ANSI/ASHRAE 90.2-2004
Energy-Efficient Design of Low-Rise Residential Buildings
This standard provides minimum energy efficiency requirements for the design and construction of (a) new residential dwelling units and their systems, and (b) where explicitly specified, 1. new portions of residential dwelling units and their systems, and 2. new systems and equipment in existing dwelling units.
Content Provider
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]