A residential building is equipped with a split-system air conditioning unit. During the inspection, the inspector notices that the outdoor unit is installed on a concrete slab. What is the minimum clearance required between the outdoor unit and the slab, according to the 2024 International Residential Code?
- A6 inches
- 12 inches
- C18 inches
- D24 inches
Exam tip
Always check the minimum clearances for outdoor equipment to ensure proper installation and performance.
Why B is correct
According to Section M1503.1.2 of the 2024 International Residential Code, the minimum clearance between the outdoor unit and the slab or ground shall be 12 inches to allow for proper air flow and to prevent damage to the unit.