System and method for evaluating changes in the efficiency of an HVAC system | Patent Number 08423322

US 08423322 B2
Application Number13230610
Publication NumberUS 20120065935 A1
Pendency1 year, 7 months, 7 days
Filled DateSep 12, 2011
Priority DateSep 17, 2007
Publication DateMar 15, 2012
Expiration DateSep 16, 2027
Inventor/ApplicantsScott Douglas Hublou
John Douglas Steinberg
ExaminesKUNDU, SUJOY K
Art Unit2857
Technology Center2800
Assignments
Trane
Current
Ecofactor Inc.Trane
Original
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