How Well Do You Really Know Your HVAC System? Take the Quiz!
Before performing any maintenance on an HVAC unit, what’s the first thing you should do?
80%
Correct!
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Always cut off power at the breaker or disconnect switch before touching any internal components to prevent shock.
Before performing any maintenance on an HVAC unit, what’s the first thing you should do?
Shut off electrical power
Open the access panel
Remove the air filter
Disconnect the thermostat
80%
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