On the Mark Heating & Air is a professional HVAC company based in Schaumburg, IL, committed to delivering high-quality heating, cooling, and indoor air quality services. Our team of highly-trained and NATE certified technicians focuses on providing reliable and efficient HVAC solutions tailored to meet our customers' unique needs. We pride ourselves on our straightforward pricing, ensuring customers are informed of costs before any work begins, eliminating surprises or hidden fees. Our mission is to ensure maximum comfort in your home through our extensive range of services, including HVAC installations, maintenance, and repairs. We also specialize in advanced solutions like ductless AC units and heat pump systems to improve energy efficiency and enhance indoor air quality. Our commitment to excellent customer service is reflected in our numerous 5-star reviews from satisfied homeowners. We aim to respect your time and deliver service promptly, ensuring that our work is done right the first time. Additionally, On the Mark Heating & Air actively participates in community engagement and local events, demonstrating our commitment to the areas we serve. Schedule your appointment today and let us worry about your comfort. Your satisfaction is our priority!