How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manfuactured and modular homes
How can I tell the age of a CAC/BDP or BDP air conditioner or furnace from the serial number?
Saturday, June 23, 2018
There are two variations of the serial numbers for CAC/BDP, which is a Carrier brand. These systems are usually dark brown and do not have a logo medallion or sticker. The only manufacturer identification is at the bottom corner of the data plate, as shown above. Older models may also only be identified by BDP Company. The second two numbers in the serial number are the year of manufacture, so the serial number below indicates the condenser was manufactured in 1995, and below that is 1981.
Carrier entered a joint marketing agreement in 2017 with Midea, a Chinese company, to market their HVAC systems with the CAC/BDP name. All serial numbers for these units begin with a “V” and the first two numbers are the year of manufacture. So the serial number below indicates 2019.
Also, see our blog post How can I tell the size in tons of a CAC/BDP air conditioner or heat pump from the model number? For the age of another brand or manufacturer, go to our blog post How do I determine the age of my air conditioner?
And to figure out what all the other numbers listed on the condenser data plate mean, go to our blog post How do I understand the air conditioner or heat pump condenser label (data plate)?
To determine other key specs of your HVAC system, see one of these other blog posts:
To find the age of other home components, go to How can I find out the age of a roof? and How do I determine the age of an electrical panel? and How do I determine the age of my water heater? For life expectancies, visit What is the average life expectancy of the components of a house?
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To learn more about heating and air conditioning systems, see these other blog posts:
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