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  1. #1
    Join Date
    Feb 2009
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    CFM ratings for trane?

    Can someone tell me where to find the cfm ratings for trane single stage furnaces? I cant seem to find it on their site.

  2. #2
    Join Date
    Jan 2009
    Location
    Keokuk, IA
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    Are you looking for the data sheets like Carrier posts on their site??? I found them on the Trane Commercial website. Try searching by the specific furnace model number.

  3. #3
    Join Date
    Feb 2009
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    im lookin for the amount of cfm per ton. the info needed to properly size the furnace

  4. #4
    Join Date
    Jan 2009
    Location
    Keokuk, IA
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    400 CFM per ton of cooling capacity on the highest fan speed is standard air flow for almost all brands. So a 3 ton blower will deliver 1200CFM. A single stage furnace will have a basic 3 or 4 speed blower, so the datasheet that comes with hte furnace will tell you which speed is best for the cooling capacity installed.

    You do know that a furnace output (BTU) should not be sized for blower capacity. Although some furnaces sizes are available in different cabinet widths/blower sizes. For example some 80k BTU furnaces can come in a 3 Ton or 4 Ton blower.

    Trane furnaces model numbers generally have a number at the end that indicates the blower capacity (2,3,4 or 5).

    You might try asking this question in the professional forums.

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