About Us

QSC trucks and shop.

Quality Service Company, LLC is a locally owned and operated HVAC company. Chris McDonald started Quality Service Company in 2003 after working with other local HVAC companies for around 10 years. In 2011, Chuck Polk joined in partnership with Chris. Chuck had been working in the HVAC industry for over two decades with local HVAC companies, then as a Trane employee, and then owning his own business. The two merged their companies together under the name, Quality Service Company, LLC.

Our Mission Statement is “Through great employees, we will continue to grow our trusted name by delivering exceptional service through honesty and integrity.” We believe in always doing the right thing for our customers, and our employees. We believe in having pride in the products we provide; that teamwork is the source of our strength; and upholding the highest level of confidentiality for our customers.

Before and After a PM.
QSC Office Staff.
QSC Installation Technicians.
QSC Service Technicians.

Need HVAC Service?

Contact the experts at Quality Service Company.

Call us at 843-773-2550!


Quality Service Company services Florence, Darlington, Hartsville, Lamar, Marion, Pamplico, Timmonsville, and the surrounding South Carolina communities with their heating and cooling needs. Visit our service area page for more coverage details, call us at 843-773-2550, or request service online today.