Arrived to do a performance maintenance. 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. Checked systems heat exchanger to ensure proper venting of flue gas. Verified operation of the humidifier. Relocated the ducting for the humidifier to enable the filter to be easily changed. Spoke with homeowner about recommendations. Suggested the maintenance plan to allow us to keep track of the systems performance. Furnace and humidifier are operational at this time.