Before accessing or removing the air filter, it is crucial to turn off your HVAC system at the thermostat or the breaker box to prevent any accidental system startups while you are working on it.
Step 2 · Turn Off the HVAC System
Before accessing or removing the air filter, it is crucial to turn off your HVAC system at the thermostat or the breaker box to prevent any accidental system startups while you are working on it.
