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Mechanical Inspections

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What Is It?

We inspect all city-permitted commercial HVAC systems and residential refrigeration installations (heat pumps, air conditioners, and mini splits systems) to ensure they comply with the Seattle Mechanical Code, Seattle Energy Code, and the International Fuel Gas Code.

We also conduct refrigeration operating permit annual site inspections (see Seattle Mechanical Code Chapter 1 Section 122 for requirements). These types of inspections are initiated and scheduled by our inspectors based on the expiration date of the permit.

Note: Heating-only furnace installations are inspected by your building inspector

When to Schedule

In general you should request an inspection after your system is “roughed in,” but before any part of that system is covered. If you have a unique situation or need help, contact your district inspector or call our customer support team.

How to Schedule

  • Request an inspection online
  • Call our 24-hour automated inspection request line at (206) 684-8900 with your permit number, name, and phone number. If you call before 7:00 a.m., we usually inspect your project the same day. If you call after 7:00 a.m., we schedule your inspection for the following workday. Don’t use a cell phone to schedule an inspection. Your call may drop out before you complete it.
  • Contact Customer Support at (206) 684-8950 during business hours
  • If you need to cancel a scheduled inspection call (206) 684-8950

Our inspectors can be reached between 7:30 - 8:30 a.m. By contacting your inspector, you can work out the details and timing of your inspection.

What Do You Want To Do?


Still Need Help?


 Ask Us

  • Call us at (206) 684-8950