HVAC Service Quiz: Do You Know When HVAC Service Is Needed?

Question 10 / 20 1 Minute Reveal 0%
10

A musty smell appears when the HVAC system runs. This most commonly signals what problem?

A musty smell appears when the HVAC system runs. This most commonly signals what problem?

Explanation

Musty smells often mean moisture where it shouldn’t be. HVAC systems can trap moisture and affect indoor air quality.