The Building Intelligence Center assists in decoding the age of mechanical appliances by providing a resource library of industry brands and sample serial numbers where the date of manufacture is often coded.

How to determine the date of manufacture, production or age of your furnace, air conditioner, heat pump, boiler, air handler. evaporator, cooler or other HVAC equipment.

Just click Quick Click buttons for either HVAC equipment or Water Heaters

Then choose the manufacturer name and it will pop up with examples.