The permit your installer should be pulling — and isn't

A mechanical permit for a new HVAC install exists so a county inspector verifies the system was sized, installed, and connected correctly — independent of the company that installed it. Skipping it is faster and cheaper for the installer. It’s a real risk for you, and it usually stays invisible until a home inspection during a sale flags unpermitted work.

What actually gets checked

An inspector verifies the equipment matches what was permitted, the electrical disconnect and refrigerant lines meet code, and the unit is properly secured and drained. It’s not a formality — it catches real installation errors before they become a warranty dispute or a safety issue years later.

What it costs you if it’s skipped

Unpermitted HVAC work can complicate a home sale, void manufacturer warranty claims tied to proper installation, and in some cases isn’t covered by homeowner’s insurance if it’s linked to a later claim. The permit fee itself is a small fraction of an install’s total cost — skipping it saves the installer time, not you money.

How to check before you sign

Ask directly whether the quote includes the permit and inspection, and ask for the permit number once it’s pulled — most counties let you look up the status online. A clear answer to that question tells you almost everything about how the rest of the job will go.