Knight Castle Koolers

Knight Castle Koolers delivers dependable HVAC solutions to homeowners and property owners in Charleston, SC, Summerville, and nearby Lowcountry communities. Our licensed, insured, bonded, and EPA-certified technicians handle a wide range of heating and cooling needs, including AC installation and repairs, heating services, routine HVAC maintenance, system replacements, ductwork, and mini-split systems. We also offer indoor air quality solutions such as filtration, air purification, and humidity management to support a more comfortable indoor environment. Whether you need seasonal HVAC maintenance, a timely repair, or a new system installation, we focus on quality workmanship, honest recommendations, and reliable customer service.