Back to school is a constant pursuit for Home Inspectors, and every home is a unique set of systems. HVAC systems are always changing or needing maintenance.
Clue: Did you know an infrared camera can detect a clogged A/C Condenser?
All condensers create heat which can be detected by IR Camera. The following picture is a Condenser running normally (left) and one with miss wired motor (right).
Note current thermostat setting
Set thermostat to lower temperature
Go outside and scan the Condenser unit
Cold in the middle indicates clogged coils
What Other uses for Infra-Red?
Electrical Panels: Hot breakers are either overloaded or shorted
Water Presence: Water is usually colder than environment
Insulation Presence: Hot Ceiling where joists are visible = Deficient Insulation
Air Infiltration: Bad seals around doors, cold outlets = deficient wall insulation
Temperature: Water Temp, Oven Temp, Dish Washer temp