Hi friends! I just wanted to write this here because I've been ignoring it for too long. If your HVAC system hasn't had the fan motor cleaned in a while, check this out:
https://greenductors.com/services/blower-motor-cleaning/. I had no idea that dirt buildup could make my heating system work harder, increasing my bills and increasing the risk of breakdown. After cleaning, my system runs quieter, faster, and the airflow? 10 times better. Highly recommended.