Andersen Plumbing, Heating and AC Repair proudly delivers expert furnace repair services in Montgomery, IL and nearby cities including Aurora, Oswego, Yorkville, Naperville, Sugar Grove, North Aurora, Plainfield, and Bolingbrook. Since 1985, our locally owned and operated company has provided reliable heating solutions to keep homes warm and safe during cold Illinois winters. We offer 24/7 emergency furnace repair, seasonal maintenance, complete system replacements, and energy-efficient upgrades for all makes and models. In addition, our skilled team provides professional plumbing and AC repair services, ensuring dependable comfort, safety, and performance year-round.