HVAC guide
How often should you schedule a furnace tune-up in Denver
A look at how often Denver-area homeowners should schedule furnace maintenance and what a tune-up actually covers.
Denver winters put a real workload on a furnace, and that workload adds up over a season of cold mornings in neighborhoods from Washington Park to Stapleton. Most manufacturers recommend a furnace tune-up once a year, and fall is the natural time to schedule it, before the system has to run every day. Homeowners in Aurora and Lakewood ask us the same question every October: is a yearly check really necessary if the furnace seems to be working fine. The honest answer is that a furnace can run and still be losing efficiency, burning more fuel than it should, or straining a component that is close to failing.
A tune-up is not just a quick look and a signature on a form. Our technicians clean and inspect the burners, check the heat exchanger for cracks, test the ignition system, and measure airflow through the ductwork. We also check the thermostat calibration, since a thermostat that is reading temperature wrong will make a furnace run longer than it needs to. Loose electrical connections, a dirty flame sensor, and a clogged filter are common problems we find during these visits, and each one on its own can knock down efficiency or shorten the life of the equipment.
Homes in Littleton and across the metro area often have furnaces paired with an AC system that shares the same ductwork, so airflow problems tend to show up in both heating and cooling season. If a furnace tune-up turns up weak airflow, it is worth having the same technician look at duct connections and return vents rather than treating it as two separate issues. Heat pump owners have a similar maintenance need, since coils, refrigerant levels, and defrost cycles all affect how well the system holds comfort during a Denver cold spell.
If your furnace has not been serviced in the last year, or if you have noticed uneven heat, a burning smell on startup, or higher gas bills than last winter, it is a good time to have it checked before the coldest stretch of the season arrives. A maintenance plan takes the guesswork out of scheduling and keeps this on a regular cycle instead of something that gets put off. Summit Heating and Air services furnaces and heat pumps throughout Denver, Aurora, Lakewood, and Littleton, and we are glad to answer questions about what your specific system needs.