Markool Heating Cooling Plumbing

Markool Heating & Cooling is a leading heating and air conditioning company based in Frederick, MD. Established in 2016, the company has over 20 years of industry experience and offers a wide range of residential and commercial services, including HVAC installation, repair, and maintenance, as well as plumbing and air duct cleaning. Markool Heating & Cooling is known for its professional team, top-rated Carrier products, and commitment to customer satisfaction.