- Dirty or Clogged Air Filters: One of the most common problems is a dirty or clogged air filter, which can restrict airflow, causing the furnace to work harder. This not only decreases efficiency but can also lead to the furnace overheating.
- Ignition or Pilot Light Issues: Problems with the ignition system or pilot light can prevent the furnace from firing up and producing heat. This could be due to a faulty ignition system, a dirty pilot light, or even thermocouple problems in older furnaces.
- Wear and Tear on Components: Over time, normal wear and tear can affect the furnace's performance. Components like belts and bearings may wear out, leading to airflow problems, overheating, or mechanical failures.
- Thermostat Malfunctions: The thermostat controls the temperature setting and communicates with the furnace. If it's malfunctioning, it can lead to no heat, intermittent heat, or problems with the fan.
- Frequent Cycling: A furnace that cycles on and off more frequently than normal might be signaling a problem. This could be caused by a bad thermostat setting, improper airflow, or a clogged filter.
- Blower Continuously Running: If the blower fan won't turn off, it could be due to a problem with the limit switch, which a professional will need to replace.
- Noisy Operation: Strange noises like rattling, squeaking, or banging can indicate various problems, from a mechanical issue to airflow reductions or a clogged burner.
- Heating Inadequacy or Inefficiency: If the furnace isn't heating enough or seems to be working harder to maintain the same level of warmth, it might be due to issues like a clogged filter, improper size for the space, or duct problems.
- Cracked Heat Exchanger: This is a serious issue that can lead to dangerous carbon monoxide leaks. It's often the result of long-term wear and tear or overheating.
- Gas Leaks: Though not an issue with the furnace's operation, a gas leak in or around the furnace is extremely dangerous and requires immediate attention.
At Prime Air Solutions, our specialty is Furnace Service in San Diego. No matter what your HVAC, we guarantee we can fix it for you. Our technicians have been trained to handle specialty commercial appliances repair and we have big experience in HVAC repair.
Regular maintenance should be done every 6 months to make sure it’s properly working until the next service. A normal maintenance appointment includes cleaning, tune-ups, and performance quality-checks.