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  1. #1
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    34,243

    How to twin furnaces

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    Sent from my HTC VLE_U using Tapatalk 2

  2. #2
    Join Date
    Mar 2004
    Location
    SE Michigan
    Posts
    17,995
    Scary!
    Behind the ostensible government sits enthroned an invisible government owing no allegiance and acknowledging no responsibility to the people.

    Theodore Roosevelt

  3. #3
    Join Date
    Jun 2011
    Location
    Central Indiana
    Posts
    615
    How did this hack get a hold of trane equipment
    The only true knowledge is the pursuit of knowledge

  4. #4
    Join Date
    Jan 2011
    Posts
    610
    Trane will sell to about anyone it seems. I see plenty of hacked in trane stuff.

  5. #5
    Join Date
    Feb 2009
    Location
    Tallahassee, FL
    Posts
    6,051
    Are those going into masonry chimney? Flues look rusted out.

  6. #6
    Join Date
    Jul 2007
    Location
    Chicagoland
    Posts
    479
    Ive only seen a few twin systems. Is it only the return that is done wrong or am I missing something?

  7. #7
    Join Date
    Apr 2012
    Location
    winnipeg
    Posts
    1,330
    the thing looks like a complete disaster
    it was working.... played with it.... now its broke.... whats the going hourly rate for HVAC repair

  8. #8
    Join Date
    Jul 2008
    Location
    Rochester NY
    Posts
    4,736
    160,000 btu w 3 ton of airflow? Wonder what esp was on THAT!

    Short cycling, hitting limit, and/or wet basement?
    Which makes more sense to you?
    CONSERVATION - turning your thermostat back and being uncomfortable. Maybe saving 5-10%
    ENERGY EFFICIENCY - leaving your thermostat where everyone is comfortable. Saving 30-70%

    DO THE NUMBERS! Step on a HOMESCALE.
    What is comfort? Well, it AIN'T just TEMPERATURE!

    Energy Obese? An audit is the next step - go to BPI.org, or RESNET, and find an auditor near you.

  9. #9
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    34,243
    3 furnaces run a combined horizontal flue to a chimney. 3.5 ton drives, 100K furnaces 7.5 ton Trane A/C on some ancient coil above both furnaces. Return air comes in the right furnace. 1 small filter. The Tranes are so rusty from the A/C constantly freezing up. Little damp basement room where they store pool chemicals. The techs condemned a 24 year old Ruud 60% that sits to the left of the twins. Cracked, impressive it lasted that long.

  10. #10
    Join Date
    Feb 2009
    Location
    Tallahassee, FL
    Posts
    6,051
    Are you guys replacing all 3 and fixing everything or just replacing what is inoperable.

  11. #11
    Join Date
    Jul 2008
    Location
    Rochester NY
    Posts
    4,736
    The energy bills will be your friend here if you need help. You should be able to save 50% even before looking at problems with the building enclosure.
    Which makes more sense to you?
    CONSERVATION - turning your thermostat back and being uncomfortable. Maybe saving 5-10%
    ENERGY EFFICIENCY - leaving your thermostat where everyone is comfortable. Saving 30-70%

    DO THE NUMBERS! Step on a HOMESCALE.
    What is comfort? Well, it AIN'T just TEMPERATURE!

    Energy Obese? An audit is the next step - go to BPI.org, or RESNET, and find an auditor near you.

  12. #12
    Join Date
    Jun 2011
    Location
    Central Indiana
    Posts
    615
    Quote Originally Posted by jimmyed View Post
    Trane will sell to about anyone it seems. I see plenty of hacked in trane stuff.
    Around here they wont sell to you unless your a Trane authorized dealer, and they have been known to drop your dealer status if you get to many complaints. Maybe its different where you are.
    The only true knowledge is the pursuit of knowledge

  13. #13
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    34,243
    At the moment, probably just changing the split open Ruud not in the picture. The Tranes are so rusty, won't be long for them. I think a lot is from coil leaks and freezeups. Both outdoor units are on old coils. The 20 year old Bryant A/C on the single furnace has the original early 70s evap. We'll see if we have any luck getting them to change the A/C. But it never causes any trouble.

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