For over 25 years, Hill-Air Heating & Air Conditioning has provided reliable HVAC service to Fairfield and surrounding Ohio communities. Our expert technicians perform comprehensive heating and air conditioning repairs, maintenance, and installations for all makes and models. We offer 24/7 emergency repair services to restore your comfort quickly. Trust us for professional furnace and heat pump replacements, routine AC tune-ups, and efficient new system installations tailored to your home. As a locally owned and operated company at 3160 Cunagin Dr, we are committed to your complete satisfaction with straightforward pricing and quality workmanship on every job.

Fairfield-Hamilton Heating & Cooling provides expert HVAC services from its location at 6660 Dixie Hwy, Suite 302. Our certified technicians specialize in precise heating and air conditioning installation, using quality Trane and Lennox equipment. We offer comprehensive repair services for all systems and prioritize emergency repairs to restore your comfort quickly. Our maintenance plans are designed to improve efficiency and prevent costly breakdowns. We also provide indoor air quality solutions, including air purifiers and humidifiers, and are qualified for duct cleaning and sealing services. Trust us for all your HVAC needs in Fairfield, Hamilton, and the surrounding Ohio communities.

For over 30 years, Thomas & Galbraith Heating, Cooling & Plumbing has provided trusted HVAC service to Fairfield, OH, and surrounding areas. Our expert technicians offer comprehensive heating and cooling solutions, including precision installations of furnaces and air conditioners, routine maintenance to ensure efficiency, and 24/7 emergency repairs. We are Lennox Premier Dealers, providing high-efficiency, reliable equipment. Our team also specializes in indoor air quality services, installing air purifiers, humidifiers, and thermostats to optimize your home's comfort. Located at 9520 Le St Dr, we are committed to delivering quality workmanship and exceptional customer service on every call.