Michigan, Iron County HVAC Permit Regulations and County Ordinances for Unincorporated Areas
Iron County HVAC Permit Requirements
In Iron County, Michigan, HVAC permit requirements are primarily handled by the county's Construction Code office, which oversees building, electrical, plumbing, and mechanical inspections for all cities and townships within the county. For mechanical and plumbing inspections specifically, the State of Michigan provides these services. Applications for mechanical and plumbing permits can be found through the State of Michigan's Bureau of Construction Codes.
For properties in unincorporated areas, the Iron County Construction Code office is the point of contact for obtaining building permits, which would encompass HVAC work. It is essential to contact the local zoning official for a Zoning Permit (Land Use Permit) before applying for a building permit. Additionally, depending on the location of the property, a Soil Erosion Permit may be required if within 500 feet of a body of water, and Septic Tank and Water Well Permits from the Dickinson-Iron Health Department might also be necessary.
Generally, mechanical work cannot begin until a permit has been issued. All installations must comply with the Michigan Mechanical Code, and work cannot be concealed until it has been inspected and approved.
When Permits May Not Be Required:
- Portable gas heating appliances with inputs of less than 30,000 BTU's per hour.
- Portable ventilation appliances and equipment.
- Portable cooling units.
- Steam, hot water, or chilled water piping within heating or cooling equipment.
- Replacement of minor parts that do not alter the equipment's approval or make it unsafe.
- Portable evaporative coolers.
- Self-contained refrigeration systems with 10 pounds or less of refrigerant, or those actuated by motors of 1 horsepower or less.
- Portable fuel cell appliances not connected to a fixed piping system or power grid.
- Oil burners that do not require a flue connection.
- Gas piping limited to 10 feet in length with no more than 6 fittings when changing or relocating a gas meter or regulator.
- Geothermal vertical closed loops installed under the supervision of a licensed HVAC contractor.
- For one- and two-family dwellings, plans are not required if the total heating/cooling system input rating is 375,000 Btu's or less.