Commercial HVAC in Florence, SC, and the Pee Dee
Protecting your facility. Reducing downtime. Extending equipment life.
Serving the Pee Dee since 2003
SC #M112570
BBB Accredited
Authorized Ruud and Trane dealer
Generac and Cummins generators
Quality Service Company, LLC provides commercial HVAC in Florence, SC, along with plumbing, electrical and generator work. We serve businesses across the Pee Dee region, including Darlington, Hartsville, Manning, Timmonsville, Effingham and Sumter.
Chris McDonald founded the company in 2003, and Chuck Polk joined as partner in 2011. The company is independently owned by Chris and Chuck, not a franchise and not private equity.
Our people live where we work, and our team includes 40+ technicians. We hold SC Mechanical Contractor Lic # M112570.
What types of facilities do we work with?
- Restaurants and food service
- Medical and dental offices
- Churches
- Retail and shopping centers
- Offices and professional buildings
- Property managers and multi-site operators
- Schools and nonprofits
What does each commercial trade cover?
HVAC, plumbing, electrical and generators. One company, one number.
- Commercial HVAC — Rooftop units, split systems, planned maintenance, repair and replacement. Authorized dealer for Ruud and Trane.
- Commercial plumbing — Water heaters, backflow testing, drain and sewer, grease and fixture work. Authorized Rheem dealer.
- Commercial electrical — Panels, lighting, circuits and repairs.
- Commercial generators — Backup power for operations that cannot lose electricity. Authorized dealer for Generac and Cummins.
How does a commercial service agreement work?
A service agreement places your equipment on a planned maintenance schedule. One agreement can cover a single site or every site you manage.
What happens after you request a site visit?
- You tell us about your locations, your equipment and any problems you are seeing now.
- We visit, inventory the equipment, and send a written quote before any work starts.
- You approve the quote, and we schedule the first service visit.
Request a site walk
Tell us about your locations. We’ll call you back during business hours.
Why do Florence facilities need steady cooling, water and power?
Florence averages 70.2 days a year at 90 degrees or higher, based on NOAA 1991–2020 normals for the regional airport. A normal July averages a high of 92.0 and a low of 72.4 degrees.
In December 2022, the City of Florence lost at least 20 million gallons of water. The loss followed a Christmas Day main break and leaks in homes, businesses and sprinkler systems. A system-wide boil advisory followed.
During Debby in August 2024, river flooding led the City of Florence to shut its water plant. System-wide low pressure and a boil advisory followed.
On January 26, 2004, NWS Wilmington reported power out countywide in Florence County after an ice storm.
The SC Department of Employment and Workforce publishes the 20 largest employers in Florence County. That list includes McLeod Health, MUSC Hospital Authority, American Honda, Nan Ya Plastics, QVC, Ruiz Food Products and McCall Farms. These are examples from the local economy, not a list of our customers.
State projections for 2022 to 2032 show health care as the Pee Dee’s largest job sector, at 20,777 jobs. Manufacturing follows at 20,564 jobs, and warehousing is projected to grow fastest, at 42.9%. Hospitals and warehouses both depend on steady HVAC and reliable backup power.
We offer HVAC service and replacement, planned maintenance and standby generator assessments for local businesses. Read how commercial service agreements work.
As of October 2026, South Carolina enforces the 2021 SC Mechanical, Plumbing and Fuel Gas codes, each with SC modifications. Electrical work falls under the 2020 National Electrical Code with SC modifications, and energy provisions follow the 2009 IECC.
Florence County Building Inspection requires a permit to alter or repair a building. The City of Florence trade permit form covers electrical, plumbing, mechanical and gas permits, with a line for generators.
