You need someone reliable to handle your heating maintenance in O’Fallon, MO, and the professionals at Jerry Kelly Heating & Air Conditioning can help you keep warm during the cold winter months. We know furnace malfunctions don’t happen on a schedule, so we offer 24/7 emergency services to get your unit running again, even if it’s outside of normal business hours. We’ve been servicing furnaces for more than 40 years and even offer an HVAC maintenance plan to make it easier to keep up with recommended servicing. If you’re in the market for a new furnace, or the one you have requires some unexpected repairs, we’ll be there to provide you with budget-friendly options to meet your needs.