why does my furnace smell like cigarette smoke

why does my furnace smell like cigarette smoke Air conditioning was set to 70 on the thermostat. We started smelling a burning really bad. Opened up the panel and saw this. Should I have a tech come out or Why Is My Furnace Smoking?

Name: why does my furnace smell like cigarette smoke Air conditioning was set to 70 on the thermostat. We started smelling a burning really bad. Opened up the panel and saw this. Should I have a tech come out or Why Is My Furnace Smoking?
Brand: www.animoretus.be
SKU: 64783551653
Price: 27.16 USD
Availability: InStock
Rating: 4.665100000000001 (15 reviews)

SKU: 64783551653

4.7

USD27.16 USD73.16

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Description

Particular elements may be attributed to the raw material used for manufacturing both [mosquito coil and cigarette]. The maximum individual risk of health problem was found to be associated with chromium and minimum with lead in mosquito coil samples and cigarette samples though it was below the threshold levels