The answer to 'inspection making noise' is that a noisy HVAC inspection can be caused by a few common issues. Worn bearings in the blower motor or compressor, loose components, or debris buildup can all lead to rattling, grinding, or other unwanted sounds during an inspection. These noises may indicate the need for repair or maintenance.
If the noises are intermittent or mild, it may be possible to address the issue through DIY cleaning and tightening. However, if the noises are persistent, loud, or accompanied by other symptoms like reduced airflow or odd odors, it's best to call in a professional HVAC technician to diagnose and fix the problem. Attempting complex repairs without the right expertise can lead to further damage or safety issues.