International Association of Certified Home Inspectors
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| Inspecting HVAC Systems Topics include heating, venting, and air conditioning inspections. |
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#1
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Have S# L1736Ga2G M# Tud100948HZ Age of unit?
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#2
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Never mind found my trane stuff, some of the worst serial #'s
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#3
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The first letter of the serial number gives the year of manufacture as follows:
9=2009 8=2008 7=2007 6=2006 5=2005 4=2004 3=2003 2=2002 Z=2001 R=2000 P=1999 N=1998 M=97 L=96 K=95 J=94 H=93 G=92 F=91 E=90 D=89 C=88 B=87 S=86 Y=85 X=84 W=83 U=82(seventh digit) T=81(seventh digit) O, A=80(seventh digit) |
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