Troy, Michigan HVAC Local Permit Ordinances and Codes
Troy, Michigan HVAC Permit Ordinances
In Troy, Michigan, HVAC installations, replacements, and significant repairs require a mechanical permit. These permits are typically obtained through the Oakland County Building Department. The City of Troy Building Department is the Authority Having Jurisdiction for these permits.
The City of Troy adopts by reference the Michigan Mechanical Code for governing the design and installation of HVAC systems within the city.
Permit Fees and Nuances
The minimum permit fee for mechanical work in Troy is $75.00. Fees for gas-burning equipment are based on the BTU output, with a range from $98.00 for systems up to 75,000 BTU to $180.00 for systems over 2,500,001 BTU. Oil burners have fees based on gallons per hour. There is also a contractor registration fee of $15.00. Extra inspections incur an additional fee of $90.00.
It is important to note that work started without a permit will result in a doubled permit fee.
While specific zoning nuances directly tied to HVAC permits were not detailed, general zoning fee schedules for Troy Township indicate various permit fees for structures and additions.
Inspections
Required inspections for HVAC work include a rough-in inspection before ductwork is concealed and a final inspection before the system is put into operation. Inspections should be scheduled with Oakland County 24-48 hours in advance.
Licensing and Other Requirements
Contractors performing HVAC work in Michigan must hold a Mechanical Contractor License through LARA (Licensing and Regulatory Affairs). This requires passing a PSI examination, providing proof of four years of experience or completing an approved apprenticeship program, and obtaining EPA 608 certification for refrigerant handling.
Violators of state construction code acts related to circumventing licensing requirements may be subject to civil fines.
The City of Troy Building Department can be reached at 500 W Big Beaver Rd, Troy MI 48084, or by phone at (248) 524-3344.
Resources to Learn More
Because Troy is located within Oakland County, the following broader county regulations may also apply to your project:
Michigan, Oakland County Hvac Permit Regulations and County Ordinances for Unincorporated Areas
Oakland County HVAC Permit Requirements
In Oakland County, Michigan, HVAC permit requirements are primarily handled at the local level by individual cities, townships, and villages. While the Michigan Department of Licensing and Regulatory Affairs (LARA) sets statewide requirements, the enforcement and issuance of permits are delegated to these local authorities. All 62 municipalities within Oakland County require permits for mechanical work, including HVAC installations and replacements, with the exception of self-contained window units.
For properties in unincorporated areas of Oakland County, general building permit requirements are determined by the specific township or local enforcing agency that serves that parcel. Unincorporated Oakland County does not operate as a single permitting jurisdiction for general building permits. However, for septic work, the Oakland County Health Division handles permitting through their Citizen Access Portal or at a county office.
County-Level Jurisdiction
- Oakland County's Building Safety Division focuses on building security and facility management for county-owned properties, not on issuing general building or HVAC permits for private residences or businesses.
- The Oakland County Water Resources Commissioner's office manages water and sewer connections and permits through their Citizen Self-Service Portal.
Rules for Properties in Unincorporated Areas
- Permitting for general building, electrical, plumbing, and mechanical work in unincorporated areas is managed by the township or the contracted enforcing agency for that specific parcel.
- Septic system permits for unincorporated areas are handled by the Oakland County Health Division.
Resources to Learn More
The following statewide building codes and regulations apply universally to all jurisdictions within Michigan:
Michigan Hvac Legislation, Codes, and Guidelines
Michigan HVAC Building Codes and Legislation
In Michigan, the regulation of heating, ventilation, and air conditioning (HVAC) systems is governed by a framework of state-adopted codes. The primary enabling legislation is the Stille-DeRossett-Hale Single State Construction Code Act (Public Act 230 of 1972), which authorizes the state to establish uniform construction standards.
For mechanical systems, Michigan has adopted the 2021 Michigan Mechanical Code, which is based on the 2021 International Mechanical Code (IMC) with specific Michigan amendments to address local climate, safety, and enforcement needs. For residential projects (one- and two-family dwellings), HVAC requirements are primarily contained within the Michigan Residential Code, which is based on the 2021 International Residential Code (IRC) with state-specific amendments.
These codes establish the minimum requirements for the design, installation, maintenance, alteration, and inspection of mechanical systems. Compliance with these standards is mandatory, and work typically requires a permit from the local Authority Having Jurisdiction (AHJ) and must be performed by a licensed mechanical contractor.
Primary State Agency
The Michigan Department of Licensing and Regulatory Affairs (LARA), specifically through its Bureau of Construction Codes (BCC), is the primary agency responsible for the adoption, administration, and enforcement of the statewide construction codes. The Bureau oversees the development of these codes, manages contractor licensing, and provides guidance on code compliance and permitting processes across the state.
Resources to Learn More