Knights Castle Koolers

Knight Castle Koolers is a trusted HVAC company serving Charleston, SC, Summerville, and communities throughout the surrounding Lowcountry. Our licensed, insured, bonded, and EPA-certified professionals provide complete heating and cooling solutions for homeowners, including air conditioning repair and installation, heating services, HVAC maintenance, system replacement, ductwork, and mini-split systems. We also help improve indoor comfort with air filtration, purification, and humidity-control solutions. From routine seasonal maintenance to urgent repairs and full system replacements, our team is committed to honest guidance, dependable service, and quality workmanship.