CORNWELL HVAC
Breathe Easy Year-Round
with Sumter’s Trusted HVAC Experts
Enjoy dependable comfort with certified heating and cooling professionals serving your home or business for over 25 years.
About Cornwell Heating & Cooling Services, LLC
With over two decades of dedicated service, Cornwell Heating & Cooling Services, LLC is Sumter, SC’s go-to choice for honest, high-quality HVAC solutions. Our NAFTA-certified team is committed to ensuring the comfort and safety of local families and businesses year-round. We pride ourselves on transparency, exceptional workmanship, and educating our clients on the best HVAC practices to help them make informed decisions.
OUR SERVICES
HVAC System Installation
We provide professional installation of new heating and cooling systems tailored to your space and budget. Our team assesses your property to recommend the most energy-efficient solutions, ensuring comfort and cost savings for years to come.
HVAC Repair & Troubleshooting
Is your system acting up? Our skilled technicians quickly diagnose issues and deliver effective, long-lasting repairs. We use high-quality parts and industry-leading techniques to restore your comfort—fast.
Preventative Maintenance
Regular tune-ups keep your HVAC running smoothly, reduce utility costs, and prevent costly breakdowns. We offer seasonal check-ups, filter changes, and comprehensive maintenance plans to extend the life of your system.
Indoor Air Quality Solutions
Breathe healthier air at home or in your business. We offer air purifiers, duct cleaning, humidity control, and other services to reduce allergens and improve indoor air quality.
Emergency HVAC Services
Problems don’t wait for business hours. That’s why our team is on call to handle urgent heating and cooling emergencies—help is just a phone call away, day or night.
Testimonials
Maria G.
“We called Cornwell during the hottest week of July, and they had our AC running the same day. The technician was friendly, knowledgeable, and didn’t leave a mess behind. Highly recommended!”
Brian T.
“After years of struggling with our old furnace, Cornwell’s team replaced it quickly and helped us understand how to keep it efficient. Professional, honest, and a pleasure to work with.”
Tina R.
“We rely on Cornwell for regular maintenance at our business. They always show up on time, explain everything clearly, and keep our office comfortable no matter the season.”
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Free estimate
No job is too small for professional HVAC services.
