About Us

Professional Services With A Personal Touch

From repair and maintenance on all brands, to custom Trane system installations for new construction or home comfort upgrades, the GM Mechanical Services team has what it takes to make sure every project achieves outstanding results.

What sets us apart is a commitment to excellence carried out by professionals with a strong work ethic and high integrity. Led by owner Gregg Merck and his deep Christian values, we’re always ready to give you our full knowledge, skill, and support to deliver the satisfaction and peace of mind you deserve on every project.

We Offer:

  • New heating and air conditioning systems
  • Service and repair of all makes and models
  • Equipment replacement and system design
  • Indoor air quality systems
  • Free estimates on new equipment

We’ve been trusted heating and cooling contractors in greater Clemson, South Carolina since 2000 for one simple reason: We put customer relationships ahead of profits and bring you the best in service and savings.

GM Mechanical Services would love to be your A/C company for many years to come. Try us soon and experience the difference.

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WHAT OUR VALUED CUSTOMERS ARE SAYING!