Hollis Contractors Group   

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

Everything from Heating Services to Sheet Metal Work

Choose Hollis Contractors Group for a company that provides unparalleled HVAC work in the Genesee County area. In addition to our heating and cooling services, we also offer custom duct and sheet metal work to cover all of your HVAC service needs.


Name Brands We Work With

  • Goodman™ 
  • Magic Chef™
  • Lennox™ 
  • Carrier™
  • Armstrong™
  • Johnson™
  • Trane™
  • Magic Pak
  • and many,many more!

Contracts Include the Following

  • Free Advanced Training for Maintenance Personnel
  • 3 Free CFC Certification (EPA Requires This for Safe Handling of Refrigerants; Available for 3 Personnel a Year/Per Complex)
  • Convenient 24-Hour Emergency Service on All Units & Ducts
  • Excellent Prices on Heating & Cooling Parts & Supplies

Contact Hollis Contractors Group for all your heating and cooling needs.

Back orders for parts and equipment are subject to availability.

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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) 640-8108

866-286-5430

NEW!

Blemished Scratch and Dent

HWC UNITS

with 1 Year Warranty

Save $1000.00 each. 

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Hollis Contractors Group
8196 N. Dort Hwy
Mt. Morris, MI 48458
Toll Free: (866) 286-5430
Fax: (810) 640-8109