Arrived to do a performance maintenance. Homeowner mentioned that the mini split system in the garage was not cooling. Performed diagnostic and found that the unit just needed cleaning. Rinsed coil and verified units operation. Found that the blower wheel for the mini split system is heavily coated in debris. Started inspection with the basement system. Set up for combustion analysis temperature split and static pressure tests. Verified operation of all mechanical and electronic components of the furnace. Checked blower for cleanliness and to see if there is any play in the bearings. Found that the blower wheel is coated in dust debris. Checked systems heat exchanger to ensure proper venting of flue gas. Verified operation of the humidifier. Moved inspection to the air handler. Verified operation of the heat strips and the heat pump function. Measured a temperature split. Opened the air handler up and checked for cleanliness. Found that the fan is beginning to collect dust. Furnace and