Lennox EL180DFE User's Information Manual
![Lennox EL180DFE manual cover](/images/3c5e9fbdd3f457e2854ec813/thumbs/thumb175x175.webp)
To change the air filter, turn off the furnace, locate the filter compartment, slide out the old filter, and replace it with a new one of the same size, ensuring the airflow arrows are pointing towards the furnace.
If your furnace is not heating, check the thermostat settings, ensure the power switch is on, inspect the circuit breaker, and verify that the gas supply is open. If issues persist, contact a professional technician.
It's recommended to have annual maintenance for your furnace to ensure optimal performance and efficiency. Consider scheduling maintenance before the heating season begins.
Unusual noises could be due to loose components, a dirty burner, or issues with the blower motor. Inspect the furnace for visible issues and tighten any loose parts. If the noise continues, consult a technician.
To reset your furnace, turn off the power at the circuit breaker, wait a few minutes, then turn it back on. You may also press the reset button on the unit if available.
For energy efficiency, set your thermostat to 68°F (20°C) when you're home and awake, and lower it when you are asleep or away. Consider using a programmable thermostat for automatic adjustments.
Yes, you can install a humidifier with your furnace. It is advisable to consult with a professional to ensure compatibility and proper installation.
Check the air filter for clogs, ensure the thermostat is functioning properly, and inspect the flame sensor for dirt or damage. If the problem persists, contact a certified technician.
Turn off the furnace and gas supply, remove the access panel, carefully take out the burners, and clean them using a brush or compressed air. Reinstall the burners and panels when done.
Regular maintenance, including cleaning and replacing air filters, sealing duct leaks, and ensuring adequate insulation, can improve furnace efficiency. Additionally, consider upgrading to a programmable thermostat.