Help users save money and protect the environment through energy efficient products and practices.

for more information, please visit
http://www.energystar.gov

Test and certify the performance of HVACR and water heating equipment.

for more information, please visit
http://www.ahrinet.org

Test and certify products sold to the U.S.A. and Canada.

for more information, please visit
https://www.csagroup.org/

Certify products including food, water and consumer goods for public health and life.

for more information, please visit
http://www.nsf.org

Cover a breadth of topics, including pressure technology, nuclear plants, elevators / escalators, construction, engineering design, standardization, and performance testing.

for more information, please visit
http://www.asme.org/kb/standards/standards