System is running on arrival. Dan has no concerns with systems or airflow. Furnace is found in hallway closet. Thermostat is responsive and calling for heat. Disposable filter was filthy and needs to be replaced, Dan doesn’t have any but might be visiting the retail store to receive some nowadays. https://hvac-repair-services-in-e41851.mybloglicious.com/51260056/indicators-on-heating-installation-and-repair-in-roseville-you-should-know