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    so which ones are the one to get, the ones with...

    so which ones are the one to get, the ones with metal @ merv 4 or ones without the metal?
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    http://i39.tinypic.com/33xu5ci.jpg pressure @...

    http://i39.tinypic.com/33xu5ci.jpg
    pressure @ -50 pa = 1349? is that the static pressure or just the total air flow?
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    Thanks Udarrell, i get the results of some energy...

    Thanks Udarrell, i get the results of some energy audit sometime this week, hopefully it will have the static pressure any other relative information within the report.
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    anyone know if these filters are any good? about...

    anyone know if these filters are any good? about to stock up before we're slammed with heat.
    ...
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    sorry this is for an HVAC specifically a tam7 air...

    sorry this is for an HVAC specifically a tam7 air handler 3.5 tons.
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    where to buy 22x20 filter online?

    Anyone know where i can buy a 22x20 filter online? I can't find these instores and want to try and load up but i'm scared of getting a coffee filter type..

    google leads me to this website...
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    there is one spot where the return air actually...

    there is one spot where the return air actually comes in, i think it's a 30x20 but unsure how much it would stick out?

    also is the TCONT803 themostat accurate? I find it varying alot especially...
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    Best filters to use for a Tam 7 Air handler?

    Contractor who installed gave us a reusable/washable 20x22x1 filter. Our family does not have any allergies.

    Anyone know what the best types of filters to use for a tam7 air handler? Merv/pleated...
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    Sorry i misunderstood the lineset question. ...

    Sorry i misunderstood the lineset question.

    I'm thinking it's approximately 60 ft. 10ft/each floor + 15-20 ft to the closet +10-20 ft miscellaneous. so approximately 50-60ft?

    i do not know off...
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    What size do you have now? - Trane XE1000 4 ton...

    What size do you have now?
    - Trane XE1000 4 ton system

    What size is recommended for the 4 ton Carrier Performance 16 and for the 3 1/2 ton XL15i?

    - His heatload was calling for about 40.3k...
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    How do you stage the heat strip? is it just a...

    How do you stage the heat strip? is it just a modification on the thermostat or is it a different part altogether?

    1. Any ductwork modifications required going to the larger two stg Carrier...
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    Trane XL15i or Carrier Performance 16?

    So my dilema is a single stage 3.5 ton Trane XL15i heat pump or going with a 4.0 ton Carrier Performance 16 2-stage heat pump. the cost is $ more for the XL15i. with that being said what would the...
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    anyone know which model number for the IAQ would...

    anyone know which model number for the IAQ would work well with the xl15i and tam7?

    i see three models for the IAQ.

    YTH9421C1010
    YTH9421C1002
    TH9421C1004
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    Thanks Tiger! I was just curious as to why...

    Thanks Tiger!

    I was just curious as to why trees and shade were not counted since i believe that would help the heatload. I've been reading threads on this forum and am trying not to oversize as...
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    heat load - worst case scenario?

    is the heat load not supposed to take into account shading and trees? or did my contractor not want to factor that portion in?
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    The contractors i was speaking about is not the...

    The contractors i was speaking about is not the current one. The current contractor said he could do whatever we wanted but agreed that a return downstairs would be the most appropriate. He's going...
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    how hard is it to get a return downstairs? one...

    how hard is it to get a return downstairs? one contractor prior said to just install the returns in the adjacent rooms to where the air handler cabinet was. 2 12x12 returns one on each side. Is this...
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    most likely because it's downstairs and they were...

    most likely because it's downstairs and they were too lazy to put something down there when they designed/built the house. not sure how we would get something down there as the common walls are...
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    yes only one return on the 2nd story next to the...

    yes only one return on the 2nd story next to the air handler
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    Can anyone also let me know if the return is...

    Can anyone also let me know if the return is adequate? 31"x20"
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    I think that dining room is the one with a...

    I think that dining room is the one with a standard sliding glass door that gets a couple hours of sunlight in the morning. i will have to check with the contractor on that one. Does it make sense?...
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    is the 2-stage AS Heritage 16 the same as the...

    is the 2-stage AS Heritage 16 the same as the XL16i where it can not dehumidify on demand?

    so due to the hot long summers, EER is the most important factor to look for instead of SEER?

    If I...
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    Unfortunately in my search, i was not able to...

    Unfortunately in my search, i was not able to find a Nordyne installer or any of the rebranded manufacturers in this area.

    I do want to go with this contractor as he is one of the only ones i...
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    Thanks baldloonie and Tigerdunes. Unfortunately...

    Thanks baldloonie and Tigerdunes. Unfortunately the only system in 2 stage equipment for the 4ton load that Trane/AS qualifies for a tax credit would be the xl20i with the tam7 air handler so its...
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    Please help me choose a Heat Pump

    Heat loads are in the following links.

    Current House Heat Load

    Upgraded to R49 heat load


    Austin, TX
    All electric home, 2 stories approximately 2400 sq ft.
    Design Specs
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