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What Your Furnace Should Look Like When It's Burning

When your furnace is burning properly, it will emit a consistent blue or slightly yellow flame. Watch for inconsistencies in the furnace flame as an indication of a something gone wrong, with help from an AC technician in this free video on heating and cooling the home.

About the Author

Airworx Heating and Air Conditioning is family owned and operated, with 30 years combined experience.