Knight Castle Koolers provides professional HVAC services near Charleston, SC, serving homeowners throughout Charleston, Summerville, and the surrounding Lowcountry. Our licensed, insured, bonded, and EPA-certified team specializes in AC repair and installation, heating services, HVAC maintenance, system replacement, ductwork, and mini-split services. We also provide indoor air quality solutions, including filtration, purification, and humidity control. Whether you need a quick repair, seasonal tune-up, or complete HVAC system replacement, we focus on honest recommendations, quality workmanship, and dependable service.