Welcome to Mr Heat and Cool's web site.

Hi I'm Mark R Grant. Let me tell you a little about me. I was born and raised right here in Muskegon, Michigan. Went thru school in Whitehall for a few years and then on to Reeth’s Puffer graduating in the top  65 of 365 in my class in 1983. I went to Muskegon Community College for a couple years and decided it would be better serve my country and joined the Navy in 1985. Jan of 1989 I was honorably discharged from the Navy.  I worked for Ace Heating and Cooling Company for 21.5 years right out of the Navy. My father who worked for Ace Heating and Cooling for 46 years.  He too is a US Navy Veteran prior to settling down in Muskegon Michigan and working 46 long years at Ace Heating, building the reputation we both enjoy, as hard working honest Men of integrity and quality workmanship and an impeccable word.

I am a licensed Mechanical contractor with these classifications; 1 Hydronic Heating / Cooling and Process piping, 2 HVAC Equipment,3 Ductwork,5 Limited Heating Service, 7 Limited Refrigeration and AC Service and A Specialty Solar I also have a State of Michigan Boiler Installer's License Category 1 B

My work brought me to President the board of directors of Michigan Air Conditioning Contractors of America.

With God as my guide in the work I love to support my wonderful Wife and family I am eager to serve you and your family.

We are also committed to saving our customers energy, money, and protecting the environment.  I welcome your questions and inquiries into the wonderful world of HVAC and how best to save you’re Green with Green Technology.

Green technology and Energy savings are my biggest passion with Indoor air quality a close second.

Feel free to call or email me with you questions regarding your system or system design questions. Please call  231-955-8780.