Tech is out to perform an inspection checked entire system out. Reason for being here today is a check up on system and also airflow in master bedroom and in living room. Customer has showed me one of the vents in the master bedroom stated that there is no airflow coming out. Confirm that it is a return vent. Living room has high ceilings . Causes in heat to rise in the open space to upstairs causing it to be hotter. Customer was interested in zoning the home. Let customer know that system is a one stage and would need to be a variable speed system would have to replace system to add damper and complete zoning . The following the tech has came across. Gas pressures are not set correctly. Gas pressures are supposed to be set to 3.2. Yours is reading 3.6. This is too high for your system. No wet switch and drain pan. There is a safeguard, but this will only shut system off when drain pan is full of water. Recommend clearing drain line to verify there is no clogs. Secondary hole where a