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Experience EXTREME Quality in HVAC
Whether it’s installation, maintenance, repairs, or just an inspection, Mechanical Extremes has the solution to all of your residential and light commercial heating and cooling needs. We were one of the first ENERGY STAR® partners in the Southeast Michigan area, and with over 20 years of experience in HVAC installation and service, our experts provide quick and convenient assistance to all of our customers.
Serving Jackson, Lenawee and Hillsdale County

Offering Cost Savings
Feel safe and secure with an annual maintenance plan from Mechanical Extremes LLC. Our Extreme Comfort Agreement provides our customers with discounts on service calls, filters, accessories, and more.


Harold & Stacey Wilkes have led Mechanical Extremes Heating & Cooling, LLC as a team right from the start. Their philosophy is to lead by example with integrity, grit, and determination. Persistence has paid off as they now employee a team of outstanding individuals. Mechanical Extremes is ready to serve all of your HVAC needs!
The Latest In EXTREME News
Preparing for Warm Weather
Spring is here and we're getting some tantalizing hints of what's ahead. Warm can turn hot...
Solving the Furnace Filter Dilemma
Out of sight, out of mind. Changing a furnace filter is easy to forget. But a dirty one can...
Building and Remodeling Opportunities
When it’s time to remodel an existing home or build a new one, don’t neglect the opportunity to...