Arrived to conduct inspection of HVAC equipment and performance System is a 2013 Carrier, Furnace and A/C split system that is designed to produce 3.5 tons of cooling capacity and 88,000 BTUs of heating capacity. Ductwork is properly installed utilizing distribution boxes. System would benefit from a second filter and return plenum mounted opposite the current plenum. Blower wheel has a moderate level of dust due to the air velocity, causing filter offload, moving through the single filter. Photo attached Cooling : System is fully functional. Refrigerant pressures and temperatures are appropriate for both indoor and outdoor conditions. 19* temperature splits between return and supply. Diagnostics photos are attached Heating : System is fully functional. Removed blower housing and visually inspected heat exchanger. All components are operating as designed. Temperature rise of 59* is within manufacture specifications ( 30-60* ). System is on the high side of acceptable. Diagnostics an