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.
- 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.
WHAT OUR VALUED CUSTOMERS ARE SAYING!
I really can’t say enough good things about Gregg and GM Mechanical Services. I knew I was in good hands from start to finish – courteous, professional, and fair – more like I was ... Michael Greene, SC.
I have used GM Mechanical Services, Inc. for a number of years for all my HVAC and property repair needs. I have a rental property business where it is important to me to have repairs done on time ... Kate W. Spartanburg, SC.
Dear Gregg, It means so much to me that I can count on you, every spring, to check-out and repair my aging HVAC unit and keep it running another year! I appreciate your willingness to drive all the ... Nancy W. Greenville, SC
Gregg at GM Mechanical Services, Inc. has helped me several times over the years with my air conditioning systems and always does a great job. Since I can’t always be there to meet with him f ... David T. Clemson, SC
Never have I felt so comfortable around a contractor working in my home. My new tankless water heater installed by GM Mechanical Services, Inc. is fantastic and I was especially impressed with how ... Sue Anne P. Clemson, SC
My wife and I called several companies in the area for an estimate when our heating system died on the coldest day of the year. Choosing GM Mechanical Services, Inc. to replace our furnace was an e ... William S. Central, SC
My husband and I began calling on Gregg Merck and GM Mechanical Services, Inc. over seven years ago. Since then we’ve recommended GM Mechanical Services, Inc. to friends and family because we ... Kelly H. Anderson, SC