![Energy-star-logo-vector](https://navien-production-3.s3-us-west-2.amazonaws.com/2017/10/10/20/29/03/2d1cc697-a37d-4775-ad30-85c79789d988/energy-star-logo-vector.png)
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![Ahr](https://navien-production-3.s3-us-west-2.amazonaws.com/2017/10/11/09/55/42/e01c33d9-652f-428f-9bc7-37a19a240ba1/AHR_.png)
Test and certify the performance of HVACR and water heating equipment.
for more information, please visit
http://www.ahrinet.org
Certified Products
NFB‑H, NCB‑H, NPE‑A2, NFC‑H, NPE‑S2, 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![Csa certification](https://navien-production-3.s3-us-west-2.amazonaws.com/2017/10/11/10/01/42/43fb576e-523e-49ac-9415-54ab2ee5892d/CSA Certification.png)
Test and certify products sold to the U.S.A. and Canada.
for more information, please visit
https://www.csagroup.org/
Certified Products
NCB‑H, NPE‑A2, NFB‑H, NFC‑H, NPE‑S2, NCB‑E, NFC, NHB, NFB, NHB‑H, NHW‑AI, NHW‑AE, NPN‑U, NHW‑SU, NHW‑SE, NPN‑E, NFB‑C, NPE‑A, NPE‑S![Nsf](https://navien-production-3.s3-us-west-2.amazonaws.com/2017/10/11/10/04/48/3a9f8dab-0960-4751-971d-1aad479742ba/NSF.png)
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, NPN‑U, NHW‑SU, NPN‑E, NHW‑SE, NPE‑A, NPE‑S![Asme](https://navien-production-3.s3-us-west-2.amazonaws.com/2017/10/11/10/05/50/13c7e5bf-d1e5-4671-8976-34ae8eae52c7/ASME.png)
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