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Help users save money and protect the environment through energy efficient products and practices.
for more information, please visit
http://www.energystar.gov
Certified Products
NCB‑H, NPE‑A2, NFB‑H, NPE‑S2, NFC‑H, NCB‑E, NFC, NHB, NFB, NHB‑H, NFB‑C, NPE‑A, NPE‑S
Test and certify the performance of HVACR and water heating equipment.
for more information, please visit
http://www.ahrinet.org
Certified Products
NCB‑H, NPE‑A2, NFB‑H, NPE‑S2, NFC‑H, NCB‑E, NFC, NHB, NFB, NHB‑H, NHW‑AI, NHW‑AE, NPN‑U, NHW‑SU, NPN‑E, NHW‑SE, NFB‑C, NPE‑A, NPE‑S, NPF
Test and certify products sold to the U.S.A. and Canada.
for more information, please visit
https://www.csagroup.org/
Certified Products
NFB‑H, NPE‑A2, NCB‑H, NPE‑S2, NFC‑H, NCB‑E, NFC, NHB, NFB, NHB‑H, NHW‑AI, NHW‑AE, NHW‑SU, NPN‑U, NHW‑SE, NPN‑E, NFB‑C, NPE‑A, NPE‑S
Certify products including food, water and consumer goods for public health and life.
for more information, please visit
http://www.nsf.org
Certified Products
NPE‑A2, NPE‑S2, NHW‑AI, NHW‑AE, NHW‑SU, NPN‑U, NHW‑SE, NPN‑E, NPE‑A, NPE‑S
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