Required Mechanical Permits
A permit is required for any installation or alterations to heating, ventilation, air-conditioning, hood systems, boilers, wood stoves, or other miscellaneous heat-producing appliances.
Work Exempt from Permit
- Portable heating appliance, ventilation equipment, cooling unit, or evaporative cooler
- Steam, hot or chilled water piping within any heating or cooling equipment regulated by this code
- Replacement of any part that does not alter its approval or make it unsafe
- Self-contained refrigeration system containing 10 pounds or less of refrigerant and actuated by motors of 1 horsepower or less.