Hollis Contractors Group
Call Us in Mt. Morris, Michigan, at (810) 640-8108
or toll-free at (866) 286-5430

About Us


Thank You For Visiting! 



Brien Hollis has been in the HVAC/R Industry for over 29 years.  To his credit he has patented furnace designs and has created several innovations in the design of air conditioning equipment. Mr. Hollis was inducted as an associate member of the American Society of Mechanical Engineers. He is a former Contractor of record for the Flint Community School District. As Facilities Director for the Genesee Job Corps. he worked with the Dept. of Labor and helped the Job Corp. to receive thousands of dollars from the Federal Government in emergency funds based on his evaluations. 

Today he continues to challenge other contractors to step up to the plate when it comes to promoting safety and education.  He has taught his craft at Delta College, GM, Ford and Chrysler.  "Designing a program for apartment maintenance personnel has been quite a challenge, but challenges are my driving force"   


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30 Years of Experience

Proudly Serving Michigan
Lower Peninsula

Parts and Equipment Sales:
Monday – Friday,
8:00 a.m. – 5:00 p.m. E.S.T. 

24-Hour Emergency Heating Services Available in Genesee County  

Call (810) 618-6274