King Heating, Cooling & Plumbing of Markham

King Heating, Cooling & Plumbing of Markham is an HVAC company in Markham, IL. The firm provides heating, air‑conditioning, plumbing and refrigeration services to residential and commercial customers throughout the Chicago area, Oak Forest and northwest Indiana. Its offerings include furnace repair, installation and tune‑ups, 24/7 emergency air‑conditioner service, water‑heater and pipe repairs, and water‑filtration system installation. With a rating of 4.70 based on thousands of reviews, the company emphasizes fast response times, upfront pricing and a 100 % satisfaction guarantee.

Founded in 1968 at the corner of 159th Street and Cicero Avenue in Oak Forest, the business has built a reputation for reliable, certified service. All technicians are NATE‑certified, and the team stresses transparent estimates and a commitment to completing jobs correctly the first time. Services extend beyond core HVAC work to include refrigeration system repair and replacement, as well as clean‑tasting water filtration solutions for home plumbing. The company highlights a tradition of “honest work for an honest buck,” a focus on community support, and a consistent record of prompt, courteous assistance around the clock.

With nearly six decades of experience, King Heating, Cooling & Plumbing of Markham combines certified expertise and a 24‑hour availability that keeps homes comfortable and functional throughout Markham and the surrounding Chicago region.