Building and Product Standards

International Energy Conservation code (IECC)

The IECC sets model code regulations addressing the design of energy-efficient building envelopes and installation of energy-efficient mechanical, lighting, and power systems through requirements emphasizing performance.

ASHRAE Standard 90.1

The American Society of Heating, Refrigeration, and Air-Conditioning Engineers (ASHRAE) Standard 90.1 provides minimum requirements for energy-efficient design and construction of most buildings, except low-rise residential buildings. The standard applies to new systems and equipment in existing buildings and includes criteria for determining compliance with these requirements.

Federal Partner Resource


Find ENERGY STAR® products ranging from appliances to electronics and building products. Learn new ways to save energy and find tools to increase energy and water savings.

Federal Partner Resource

WaterSense Products

WaterSense, a voluntary partnership program sponsored by the U.S. Environmental Protection Agency (EPA), is both a label for water-efficient products and a resource for helping you save water. Use this website to find WaterSense products, such as water-efficient toilets, showerheads, and faucets. WaterSense labeled products are backed by independent, third-party certification and meet EPA's specifications for water efficiency.