How can I tell the age of a Thermal Zone air conditioner from the serial number?
Wednesday, July 4, 2018
The third and fourth numbers after the single letter in the serial number indicate the year of manufacture. It is also noted in the upper right of the manufacturer’s data plate, and the one shown below indicates the unit was manufactured in 2014.
To find out the size of you Thermal Zone system in tons, go to our blog post How many tons is my Thermal Zone heat pump or air conditioner? For the age of another brand or manufacturer, go to our blog post How do I determine the age of my air conditioner?
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?
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
To learn more about heating and air conditioning systems, see these other blog posts:
of Blog Posts
Top 5 results given instantly.
Click on magnifying glass
for all search results.
How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manfuactured and modular homes