Chris' Corner: How to Read the Tonnage on Your AC Unit...

How to Read the Tonnage on Your AC Unit...

Michael Thornton, Nashville TN area home inspector and Active Rain Blogger shares more information about air conditioners with us.  In this continuation of a previous article that I re-blogged, Michael shares how to find out the tonnage of an existing air conditioner. 

As always, I have disabled comments on this re-blog of Michael's post.  If you wish to leave Michael a question, please click on his link below.

How to Read the Tonnage on Your AC Unit...
     One of the questions that many folks asked on yesterday's post, was how does one know the tonnage of their air conditioning system. On the system's model number there will be a number: 18, 24, 30, 36, 42, 48, 60. Take this number and divide by 12. This will give the tonnage. i.e. 1.5, 2, 2.5, 3, 3.5, 4, 5.
     The only variation in this numbering scheme will be the newer Puron units. The manufacturers decided to make the evenly divisible numbers one more or one less. i.e. a 2 ton unit may have a model number that reads XXXX23 or XXXX25. Engineers, gotta luv 'em..

Typical model/serial number for AC unit

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Comment balloon 0 commentsChris Smith • August 11 2011 10:01AM