Your Trusted Heating & Cooling Experts in Sumter, SC

When you want the best go-to professionals for all things heating and air conditioning in Sumter, SC, you should call Cornwell Heating & Cooling Service LLC. We specialize in top-notch air conditioning repair, hvac installation, and furnace repair, helping you keep comfortable all year long.

Why Choose Cornwell Heating & Cooling Service LLC?

  • Over a decade of experience in HVAC services, from AC repair or replacement to routine maintenance. 
  • Locally owned and operated, serving Sumter, SC, no outsourcing or contract crews. 
  • Skilled HVAC technicians who treat our customers with the respect and care they deserve.
(803) 464-1937

Residential & Commercial Solutions Tailored to You

We offer full service for residential air conditioning and commercial HVAC solutions, including air conditioning installation, furnace repair, and replacement service. We also offer maintenance services, diagnostics and emergency repair services for those times in between. 

Contact Us for Reliable Heating & Cooling Services

Don’t wait to address your heating or cooling issues. Call us at (803) 464-1937 for expert HVAC repair and more.

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