How Well Do You Really Know Your HVAC System? Take the Quiz!

Question 16 / 20 3 Minute Reveal 0%
16

Before performing any maintenance on an HVAC unit, what’s the first thing you should do?

Before performing any maintenance on an HVAC unit, what’s the first thing you should do?

Explanation

Always cut off power at the breaker or disconnect switch before touching any internal components to prevent shock.

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