Guides
Practical guides for HVAC shops navigating permits, inspections, and the business side of the trade.
Georgia
Georgia HVAC Permits
Licensing, the 2024 IMC transition, and the AHJ-by-AHJ pitfalls that cost real money.
Read the guide →North Carolina
North Carolina HVAC Permits
H-Group licensing, the 2018 NC Code in effect through 2026, the load-calc rule on every changeout, and the five metros where most NC HVAC work happens.
Read the guide →Tennessee
Tennessee HVAC Permit Guide (2026)
When permits are required, how timelines work, and what trips up most shops.
Read the guide →Contractor Practice
What HVAC Contractors Get Wrong About Permits
Four exposure vectors most contractors don't see until it's too late — license, real-estate disclosure, manufacturer warranty, lien rights.
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