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HVAC Maintenance - Most Homeowners Fail This Quiz, Can You Pass?
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When turning on the heater for the first time in autumn, homeowners often smell a burning odor. What is the most common cause?
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Hint
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⚖️
50-50
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👥
Audience
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A
A major electrical fire in the walls
B
The furnace blower is completely broken
C
Accumulated dust burning off the heat exchanger
D
A severely clogged condensate drain line
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