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HVAC Maintenance

Furnace MaintenanceJust like your car, air conditioners and furnaces need regular tune-ups to stay in working condition. Unmaintained heating and cooling systems waste energy and need more frequent repairs.

We provide comprehensive HVAC maintenance for any make or model of heating and cooling system. We're available 24/7 for emergency service and offer certified workmanship with a price match guarantee.  Heating and air conditioning maintenance for your home or business will lead to improved comfort, lower energy costs, and reduced risk for system failure.

Some of the services performed in our regular heating and air conditioner maintenance appointments include:

  • Comprehensive Inspections
  • Replacing Filters
  • Washing Condenser Coils
  • Blow Outs and Cleaning
  • Freon Measuring and Filling
  • Replacement Parts (As Needed)
  • Tightening Electrical Connections
  • And Much More



Having a professional perform regular maintenance on your heating and cooling systems is an essential step in keeping them running efficiently, as well as avoiding unexpected breakdowns. HVAC experts recommend that you have your system serviced at least twice a year, but older systems benefit from more frequent maintenance.

When it comes to choosing a heating and cooling maintenance provider, you want only the most well trained, trustworthy, and reliable technicians in the business. At Alison Mechanical of South Lyon MI, we’ve been performing expert AC and furnace maintenance to Southeast Michigan for over 21 years. We’ve built our reputation on building long-lasting relationships with our customers, and they trust us to provide friendly, quality service to their home or business. Our work is always guaranteed and backed by full manufacturer’s warranties.

Contact us today to schedule your preventative HVAC maintenance or to learn more about our wide range of professional heating and cooling services.