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A well-maintained furnace runs more efficiently, potentially lowering your heating bills and ensures your system will perform optimally during the coldest months, helping to avoid inconvenient breakdowns.
1. Inspection
- Check the heat exchanger: Inspect for any cracks or signs of damage that could lead to carbon monoxide leaks.
- Inspect the burner: Check for proper ignition and flame pattern, which can affect both safety and efficiency.
- Examine the blower motor: Assess motor operation, lubricate moving parts if needed, and check for unusual noises.
- Check safety controls: Test limit switches and other safety controls to ensure they are functioning properly.
- Thermostat inspection: Ensure the thermostat is calibrated correctly and communicating with the furnace.
2. Cleaning
- Clean the blower: Dust buildup on the blower can cause inefficiency, so it’s cleaned to improve airflow.
- Remove debris from the burner area: Clean dust and dirt from the burner to ensure proper combustion.
- Clean or replace air filter: A dirty filter restricts airflow, causing the furnace to work harder. This step is essential for efficiency.
- Inspect and clean flue pipe: Ensure the venting system is clear of blockages, which can prevent harmful gases from being safely expelled.
3. Testing
- Check gas pressure and connections: Make sure gas pressure is correct, and connections are secure to prevent gas leaks.
- Test ignition system: Ensure that the igniter or pilot is working reliably.
- Monitor carbon monoxide levels: Perform a CO test to detect any dangerous leaks.
4. Adjustments and Tune-ups
- Lubricate moving parts: Helps reduce friction in motors and other moving components, extending their life.
- Calibrate thermostat settings: Ensure accurate temperature settings for energy efficiency and comfort.
- Tighten electrical connections: Loose connections can lead to malfunctions or short circuits, so all electrical components are checked.