Mechanical contractor bond requirements
While there is no state license required for mechanical contractors, businesses must file a $25,000 mechanical contractor bond with DLI in order to contract to perform gas, heating, ventilation, cooling, air conditioning, fuel burning or refrigeration work.
The bond must be on the form approved by DLI and written by a surety company licensed to do business in Minnesota. Your insurance agent can help you obtain a bond from a licensed surety company.
There are additional application forms required to submit a mechanical contractor bond available in this packet.
The fee for filing a bond with DLI is $100 and the filing is valid for two years.
The renewal fee for a bond filing is $100.
Make sure the bond from your insurance agent is properly signed and notarized.
Your bond filing can be submitted online or mailed to DLI with a check payable to the State of Minnesota for the $100 fee.
In addition to filing a bond with DLI, mechanical contractors must comply with local licensing requirements.
Individuals performing mechanical work
Minnesota also has no state license requirement for individual employees of mechanical contractors. However, cities may require licensure or a competency card for workers performing mechanical work. These licenses, or “comp cards,” are not issued by DLI. Questions about individual licenses or comp cards should be directed to the city requiring them.
Mechanical bond forms
Minnesota's Bookstore sells mechanical codes, including:
Minnesota State Mechanical Code (Chapter 1346)
International Mechanical Code
International Fuel Gas Code
Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations (NFPA 96)
Minnesota State Mechanical, Fuel Gas and Plumbing Code
The Minnesota State Building Code is the standard for construction statewide, however, the code is enforced by certain cities and townships.
About the Minnesota Mechanical Code
This chapter of the state building code governs the installation and maintenance of heating, ventilating, cooling, and refrigeration systems or so-called "HVAC" systems. Examples of subjects regulated include, furnaces, ductwork, hot water heat, commercial kitchen ventilation, gas piping, exhaust ventilation, etc. The Minnesota Mechanical Code consists of the 2012 International Mechanical & International Fuel Gas Codes and the amendments to these documents located in chapter 1346.
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