Every day, everyone of us at CJS Heating and Air is dedicated to earning your heating and cooling services trust. Our furnace and air conditioner specialists bring years of experience to keeping your family comfortable in Springfield, Donnelsville, South Vienna, Lawrenceville and Yellow Springs. They’re clean, screened, trained and timely, providing furnace and air conditioner maintenance, air conditioner repair service, and HVAC Installations. You call. We come. It’s fixed. Guaranteed. High quality HVAC service is how we earn five-star local reviews. We’d like to earn the next one from you.