10/22/2026
Just closed on a house in Springfield and inherited a furnace or AC of unknown age? Do not assume it needs replacing, and do not assume it will make it through winter either.
Start here:
1. Find the model and serial numbers on the outdoor unit and the furnace or air handler. They tell a technician the real age.
2. Run both heating and cooling while the weather is mild. Note rooms that lag, long run times, short cycling, new noises, or water around the indoor unit.
3. Check the filter yourself. Do not assume the previous owner changed it.
4. Book a whole-system evaluation: equipment, airflow, ductwork, controls and drainage. Uneven rooms are often a duct problem, not an equipment problem.
If replacement does turn out to be the answer, size it for the house you own now, not the one the last owner had. Max HVAC Systems is a Lennox Premier Dealer with 30+ years in Springfield. Call (571) 462-8820.