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

Reblogger Roy Kelley
Industry Observer with Retired

Brentwood, Tennessee professional home inspector and well known ActiveRain blogger Michael Thornton like to provide tips for real estate professionals and home owners.  In this post, he explains how to read the tonnage information on you air conditioning unit. 

After you read this post, my might agree with me in thinking that the engineers that create these codes need to work on their communications skills.

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Original content by TeamCHI - Complete Home Inspections, Inc. TN Lic#050

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..
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Typical model/serial number for AC unit

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Posted by

Roy Kelley, Retired, Former Associate Broker, RE/MAX Realty Group

Gaithersburg, Maryland  

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