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The right time to perform maintenance on a furnace is typically before the start of the heating season, which is usually in the fall. This allows you to ensure that your furnace is in good working condition and ready to keep your home warm during the winter months. Here are some key maintenance tasks and considerations for your furnace:

Annual Professional Inspection: It’s a good idea to have a professional HVAC technician inspect and service your furnace at least once a year. This should be done before you start using it for the heating season.
Replace or Clean Filters: Dirty or clogged filters can reduce the efficiency of your furnace and affect indoor air quality. Check and replace or clean filters regularly, which may need to be done more frequently if you have pets or allergies.
Check the Thermostat: Make sure your thermostat is working correctly and is set to your desired temperature. Consider upgrading to a programmable or smart thermostat for better control and energy savings.
Clean Vents and Ducts: Ensure that air vents and ducts are clean and not blocked by furniture or other objects. Dirty or blocked vents can reduce airflow and heating efficiency.
Inspect and Lubricate Moving Parts: The blower motor and other moving parts should be inspected and, if necessary, lubricated for smooth operation.
Test Safety Features: Make sure safety features like the pilot light, gas pressure, and flame sensors are functioning correctly. Safety is a top priority when it comes to furnace maintenance.
Check for Carbon Monoxide Leaks: Install and regularly test carbon monoxide detectors in your home. Furnaces can produce carbon monoxide, which is a colorless, odorless gas that can be dangerous if not properly vented.
Seal Ducts and Insulate: Ensure that ducts are properly sealed and insulated to prevent heat loss. Leaky ducts can waste energy and reduce the effectiveness of your furnace.
Clean Around the Furnace: Keep the area around the furnace clean and free from clutter. Ensure there are no flammable materials nearby.
Consider a Maintenance Plan: Some HVAC companies offer maintenance plans that include regular check-ups and priority service. These plans can help ensure your furnace is well-maintained throughout the year.
It’s essential to perform these maintenance tasks regularly to ensure the safe and efficient operation of your furnace. Neglecting maintenance can lead to reduced efficiency, higher energy bills, and potential safety hazards. If you’re not comfortable performing these tasks yourself, it’s best to hire a professional HVAC technician to service your furnace.