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  1. #1
    Join Date
    Aug 2007
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    Duct and warrenty question

    Does anyone know if carrier's 10 year parts and labor warrenty requires regular annual or semi annual servicing to stay in effect. also with carrier's infinity gas furnaces is the size of the ducts a super sensitive issue regarding the system working correcvtly or will almost all forced ais ducts do the job?. thanks for the help Live in an older 1930's house

  2. #2
    Join Date
    Dec 2006
    ont. canada
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    correct duct sizing is vital especialy with the new equiptment that is available i'm willing to bet that most retrofit units have badly undersized ducts,and yes if i'm not mistaken this furnace is sensitive to the duct size i'm sure the carrier guys out there could expand on this,we've just started using carrier recently as an alternate line to the york

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