About Keeping Your Home Comfortable in All Seasons

Company History

All Seasons Heating, Cooling & Insulation is a family business owned and operated by Mark and Paul Kohtz. Jeff Kohtz began providing professional sales as well as heating and cooling system service and installation for the Great Lakes Bay Region in 1979. Mark added insulation to the services provided in 2007. We are the best source for information on heating, cooling, and insulation.

Products and Services

All Seasons Heating, Cooling & Insulation offers heating and cooling, indoor air quality, and insulation products and services. Our heating and cooling experts can evaluate your home and help you choose the most efficient heating and cooling system. We also offer part replacement or repair and complete full-service inspections of HVAC systems. Our Midland team can assist you in a whole house system to help improve and control the air quality in your home. For continued superior indoor air quality, All Seasons technicians complete air duct cleaning and pan treatments. Insulation plays a major role in the overall comfort of your home. An insulation evaluation can reduce the amount of time your heating or cooling system runs, maximizing comfort and minimizing utility bills.

We carry several lines of:

  • air cleaners
  • air conditioners
  • dehumidifiers
  • furnaces
  • heat pumps
  • humidifiers
  • mini-splits
  • water heaters

Our insulation products include cellulose blow-in for attics, spray foam for exposed walls. These quality products are from brand name manufacturers and accommodate many types and sizes of homes including manufactured or mobile homes.

Please call today at (989) 282-2959 or complete our online contact form for a no-obligation, free estimate or to learn more about our affordable financing.

Choose All Seasons For 
All The Right Reasons

Learn Why We're The Best Choice For Your Home
  • Honest Maintenance Plans
  • Properly Trained Staff
  • Up Front, Honest Pricing
  • 24 Hour Service Available
  • Satisfaction Guaranteed
  • Family Owned For 40 Years

Hear From Your Neighbors

Read Reviews
    Friendly Staff

    “Professional, down to earth, and left our furnace in great working order.”

    - Joseph G.
    Awesome Experience

    Truly a rewarding experience and I now have a team I will rely upon for all my heating and cooling needs.

    - Randy C.
    Great Experience

    “I’d recommend All Seasons and the two installers to anyone who might be in need of an AC or heating unit. real Pros. I’m a happy customer.”

    - Al B.
    Highly Recommend Them

    “The two guys who did the initial inspection, Cliff who explained our options on purchasing a new unit to Mark, and Chris who installed the unit all were extremely friendly and efficient.”

    - Jeff K.
    Thank You!

    “They did a very thorough job test and everything and cleaned up anything afterwards.”

    - Leo W.
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Contact Our Team

We're Available When You Need It
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