AK HVAC Practice Questions - Alaska Mechanical Administrator HVAC License Exam

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What is the minimum thickness of insulation required on hot water piping in unconditioned spaces according to the International Energy Conservation Code as adopted in Alaska?

No insulation is required 1 inch for pipes up to 2 inches in diameter Only heat trace is required 1/2 inch for all pipe sizes

Correct Answer:

1 inch for pipes up to 2 inches in diameter

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