Inspect for signs of theft, vandalism, or other disturbance

Check that all windows and entryways are secure

Check security system is set and working properly (if applicable) 

Visual inspection of all HVAC serviced areas for signs of pest or unusual insect activity 

Note any unusual odors

Visual inspection of walls, ceilings, windows, tubs, and showers for evidence of water damage, leakage, mold/mildew

Flush all toilets, run faucets, add cleaning agent (if applicable)

Check that temperature & humidity are within acceptable range

Check that freezers, refrigerators, and disposals are functioning

Visual check of hot water heater and AC pans

Add cleaning agent to AC drain line, change filter (if applicable)

Check fuse box for tripped breakers or evidence of power surge