The National Fireplace Institute® is the professional certification division of the Hearth, Patio & Barbecue Education Foundation (HPBEF), a 501(c)3 non-profit educational organization for the hearth industry.

NFI's objective is to increase public safety by establishing meaningful credentials for professionals involved in planning and installing residential hearth appliances and venting systems.

NFI certifies planners and installers in three hearth product categories based on fuel type:

- NFI Gas Specialist
- NFI Woodburning Specialist
- NFI Pellet Specialist

NFI also recognizes individuals who have successfully gained all three NFI Certifications as Master Hearth Professionals. These individuals have reached the highest level of certification in the hearth industry.

http://www.nficertified.org/pages_industry/industry-2.html