There’s a certain moment every fall when you realize the house is getting a little chilly and it’s time to turn on the furnace. After sitting unused for several months, it’s not unusual for your heating system to sound or smell a little different during those first few minutes. The important thing is knowing what’s normal and what could be a sign that your furnace needs attention.
One of the most common things homeowners notice is a dusty or slightly musty smell when the furnace first kicks on. This can happen when dust that has settled inside the system or on nearby components gets heated. In most cases, the smell should disappear fairly quickly. If you notice a strong burning odor that doesn’t go away, however, turn off the furnace and have it checked by a professional.
You may also hear a few unfamiliar sounds as the system starts up. A brief click when the furnace ignites or the normal sound of air moving through the vents isn’t usually a concern. Persistent banging, rattling, squealing, grinding or screeching is another story. Unusual noises can indicate a loose component, motor problem or another issue that is better addressed before the furnace has to work around the clock.
Before turning on the heat for the season, take a quick look around your home. Make sure supply vents and return-air grilles aren’t blocked by furniture, rugs or other items, and replace the furnace filter if it is dirty. It’s also a good idea to test your thermostat and make sure your carbon monoxide detectors are working properly.
Pay attention to how your home heats once the furnace has been running for a while. If some rooms are noticeably colder than others, the system is cycling on and off frequently, airflow seems weak, or the furnace isn’t reaching the temperature you’ve set, don’t simply turn up the thermostat and hope for the best. These can be signs of an airflow problem, ductwork issue, thermostat problem or furnace that needs professional attention.
Finally, remember that your furnace is one of the most important appliances in your home when temperatures drop. If it has been several years since your last professional inspection, fall is a good time to have it checked before you really need it.
A few minutes of attention when you first turn on your furnace can help you catch small problems before they become bigger ones. And if something doesn’t look, smell or sound right, it’s always better to have it checked than to wait for a cold-weather breakdown.
If you have questions about your furnace or want to make sure your heating system is ready for the season, the experienced team at GMI Mechanical is here to help.
Before You Turn On the Heat: A Quick First-Furnace Checklist for Homeowners
- Replace a dirty furnace filter.
- Make sure vents and return-air grilles are clear.
- Test your thermostat.
- Check that smoke and carbon monoxide detectors are working.
- Listen for unusual noises when the furnace starts.
- Pay attention to unusual or persistent odors.
- Make sure every room is heating properly.
- If something seems wrong, don’t wait for a complete breakdown to have it checked.
Get In Touch With GMI Mechanical
Whether you’re scheduling seasonal HVAC maintenance, need a repair or want to make sure your system is ready for colder weather, the team at GMI Mechanical is ready to help.
GMI Mechanical
5516 W. 110th St.
Oak Lawn, IL 60453
Phone: (877) 421-3220
Office Hours: 8 a.m.–5 p.m.
24-Hour Service Available
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