Heating & Furnace FAQs

Cold air from your furnace may indicate a dirty filter, pilot light issues, thermostat problems, or a failing ignition system. Check your filter and thermostat first. If the problem continues, call for service.

We recommend annual furnace maintenance, ideally in fall before heating season. Regular service ensures safe operation and can prevent breakdowns.

Frequent cycling may indicate a dirty filter restricting airflow, a faulty thermostat, overheating issues, or flame sensor problems. This should be diagnosed by a professional.

Yes! Annual tune-ups ensure safe operation, improve efficiency by 10-20%, prevent 95% of breakdowns, and maintain your warranty. The cost is far less than emergency repairs.

For Bay Area homes, we recommend 95%+ AFUE high-efficiency furnaces. The energy savings typically pay for the higher upfront cost within a few years.

A burning smell when first turning on your furnace is often dust burning off and is normal. If the smell persists, it could indicate a clogged filter, electrical issues, or a cracked heat exchanger - call for service.

Annual professional inspections check for safety issues including cracked heat exchangers, gas leaks, and proper venting. Also ensure your carbon monoxide detectors are working.

Consider replacement if your furnace is 15-20 years old, requires frequent repairs, has a cracked heat exchanger, or your energy bills are increasing despite normal use.