PSI Michigan Unlimited Heating Service Exam Certification Package

The exam is 55 questions taken over 1 hour, with a minimum passing score of 70%. 

Unlimited heating service covers the diagnosis and servicing of heating equipment without restrictions concerning thermal capacity or fuels. Performed troubleshooting & service on heating equipment in both commercial and industrial applications from 40,000 to in excess of 1,000,000 BTU’S including forced air, boilers, roof top units, radiant tube heaters, wall furnaces and unit heaters utilizing natural, propane and fuel oil.

This is a CLOSED BOOK exam. 

all the following references are not allowed in the testing center:

2015 Michigan Mechanical Code

2015 Michigan Residential Code

Public Act 407 of 2016, Skilled Trades Regulation Act

Public Act 230 of 1972, as amended, State Construction Code Act