System is running upon arrival. Dan has no concerns with systems or airflow. Furnace is located in hallway closet. Thermostat is responsive and calling for heat. Disposable filter was dirty and has to be replaced, Dan doesn’t have any but will be visiting the retail outlet to have some currently. https://collinqnkge.bluxeblog.com/62668041/indicators-on-heating-installation-and-repair-in-roseville-you-should-know