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Mechanical minor label program

About mechanical minor labels

The mechanical minor label program allows contractors to perform certain common mechanical installations under a minor label permit. This program also incorporates remote inspection technology that can be downloaded onto a mobile device and used for inspection services.

Access information about purchasing and using mechanical minor labels.

License requirements

Contractors holding a valid Construction Contractors Board (CCB) license and who are not in violation of the minor label requirements in Oregon Administrative Rules Chapter 918, Divisions 100 and 440.

Participating jurisdictions

Mechanical minor labels are available for use statewide.

Mechanical Minor Label Login

Resources

Type of work allowed

Mechanical minor labels can be used for the following:

  • Moving or replacing ductwork not involving fire dampers or penetrations of firewalls, fire assemblies, or floors
  • Relocating grilles and air distribution inlets or outlets
  • Replacing existing heating, cooling, and ventilation equipment, including minor alterations of fuel piping or appliance connectors downstream of the appliance shutoff valve
  • Adding a central air-conditioning unit to existing ductwork in one and two-family dwellings
  • Installing new mini-split heat pumps in one and two-family dwellings
  • Installing a mechanical exhaust fan for radon mitigation systems in one and two-family dwellings

Type of work excluded

Mechanical minor labels cannot be used for the following:

  • Mechanical replacements where the fuel type changes
  • Replacement of fuel-burning equipment which requires replacement of the existing venting system
  • Replacement of commercial systems or equipment that:
    • Exceeds 2,000 cubic feet per minute of air movement capability
    • Weighs more than 400 pounds, except packaged rooftop equipment up to 5-ton cooling capacity being replaced with packaged rooftop equipment not exceeding the existing unit’s cooling capacity
    • Exceeds 5-ton cooling capacity