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  1. Looking for Houston, Texas Service recommendations

    I need a licensed service tech that is familiar with a 4 zone XCI zone controller. I have one damper that is stuck shut and probably needs to be replaced. It supplys two rooms that are not getting...
  2. Thread: Zoning question

    by aw
    Replies
    5
    Views
    642

    Don't know about the load calc, I doubt it. House...

    Don't know about the load calc, I doubt it. House is located in Houston, Texas

    Are the two stage systems the condenser or air handler?
  3. Thread: Zoning question

    by aw
    Replies
    5
    Views
    642

    Zoning question

    Is there a way to increase run times on a single condensing unit with two zones (upstairs/downstairs)?

    Our house is two stories, with electric zoning equipment and two thermostats. In what I call...
  4. Replies
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    the vent on this unit was kind of an amber...

    the vent on this unit was kind of an amber colored plastic that was almost clear
  5. Replies
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    1,100

    What is this vent pipe called?

    Is the plastic section of vent pipe in this picture the high temperature plastic vent pipe that was recalled years ago? I have never seen a section of plastic vent like this.

    This furnace is a...
  6. Replies
    7
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    893

    I live in Houston, TX..the humidity capital of...

    I live in Houston, TX..the humidity capital of the world.

    It does feel stagnant in both the winter and summer.
  7. Replies
    7
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    893

    Fresh air options for a tight house?

    Our house was built in 2006...one 4 ton Lennox system for a 2400 sq ft, 2 story house. The air in the house always feels stagnant and stuffy. Would a fresh air intake added to the system help?
  8. Replies
    1
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    314

    compressor protection on zoned system

    Is there a way on a single unit with two zones (t-stats) to protect the compressor from starting right after one zone turns it off. i.e. if the down stairs is cool, the t-stat tells the unit to turn...
  9. Replies
    4
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    545

    options for cooling one bedroom

    Need options for cooling one large bedroom. The bedroom was added on to the house. without adequate provisions for heating/cooling. Bedroom is about 350 sq. feet

    Current options we are...
  10. Replies
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    3,046

    Thank you everyone for your help.

    Thank you everyone for your help.
  11. Replies
    9
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    3,046

    not sure what you mean...I'm just trying to get...

    not sure what you mean...I'm just trying to get the age and manufacturer of this unit.
  12. Replies
    9
    Views
    3,046

    need help with age of evaporator coil

    see attached picture....also, what brand is this?


    model number

    GH36S H242 48

    serial #

    4/7-1884
  13. Replies
    18
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    899

    Blower speed and zoning question

    I have a multi-speed air handler on a two zone system. Is there an advantage to have the installer slow the air speed down when only one zone it called for?
  14. Replies
    11
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    5,423

    i forgot to mention an important detail....my...

    i forgot to mention an important detail....my system is a zoned system in a two story house...i.e. one unit (condenser and evap) covers both floors, a t-stat on both floors. I swear I will never buy...
  15. Replies
    11
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    5,423

    Indoor humidity in Houston, TX

    Is is possible to get indoor humidity below 50% in Houston during the summertime using conventional equipment (no add on dehumidifier or dual stage fans).

    I'm in Houston with a current outdoor...
  16. Replies
    5
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    670

    Physical size of Lennox condensing units?

    Looking at the Lennox Merit 14ACX series of condensers, does anyone know why a 3 1/2 ton housing is physically smaller than the 2 1/2 & 3 ton units? With all things being equal from the same line,...
  17. Replies
    2
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    345

    question about re-circulated water units

    How long should it take before you should start to feel the heat from a 4 pipe re-circulated water unit in a condo? I should add that the cool setting was on for about 2 hours before switching over...
  18. Replies
    20
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    1,120

    nothing is wrong...just trying to determine the...

    nothing is wrong...just trying to determine the age of the equipment.
  19. Replies
    20
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    1,120

    Need help with age of Rheem furnace

    Mn: GGPH-07EAUER

    SN: FD5D302FL50209460
  20. Replies
    43
    Views
    6,015

    I'm not sure what a California Economizer system...

    I'm not sure what a California Economizer system is.

    What are the options for this type of setup? We do not have any dehumidification equipment, just a 4 ton system, media filter and two zones.
    ...
  21. how do you keep return ducts clean with media filter

    I have been told that running a pre-filter creates an air restriction.

    What are the return ducts going to look like in a couple of years without one?

    How about the cheap fiberglass filters?
  22. Replies
    43
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    6,015

    Thank you for posting the article...it is an...

    Thank you for posting the article...it is an excellent find. I can see why you recommend the stand alone dehumidifier..it is the most bang for the buck.

    To answer your question on the HVAC...
  23. Replies
    43
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    6,015

    not sure how to tell how it is split up, any...

    not sure how to tell how it is split up, any suggestions to look for?
  24. Replies
    43
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    6,015

    Nope; one system for upstairs and downstairs.

    Nope; one system for upstairs and downstairs.
  25. Can you provide more info or point me in a...

    Can you provide more info or point me in a direction for the difference between series 1 & 2? Is it the SEER rating that is different?
  26. Replies
    43
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    6,015

    System does not run much at all. The house is a...

    System does not run much at all. The house is a 2 story ~2400 sq feet with a 4 ton Lennox set up on two zones. The air handler/furance is the signature series I believe (not sure if it is...
  27. Almost identical model #'s; different physical size?

    Is it possible to have two carrier units with similar model #'s but different physical sizes of condensing units?

    Carrier models #'s

    24ABA442A320

    24ABA442A310

    Both units were made in '07
  28. Replies
    43
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    6,015

    yes, the window frames are caulked around the...

    yes, the window frames are caulked around the exterior where they meet the siding.

    The window manufacturer has been out and blames it on high humidity in the house.

    When there is not much of a...
  29. Replies
    43
    Views
    6,015

    The window frames themselves sweat...not actually...

    The window frames themselves sweat...not actually the glass. Our supply registers are facing the windows.

    The sweating seems to last about 24 hours then stop once the weather has stabilized.
  30. Replies
    43
    Views
    6,015

    By windows, do you mean replacing them? Not an...

    By windows, do you mean replacing them?

    Not an option right now on a 1 year old house
  31. Replies
    43
    Views
    6,015

    OUtside temps usually in the 40s..inside 69-70. ...

    OUtside temps usually in the 40s..inside 69-70. Indoor humidity ~50%
  32. Replies
    43
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    6,015

    Yes, we have blinds that are usually closed and...

    Yes, we have blinds that are usually closed and always down.

    No humidifier is used in the home. Houston has enough humidity.

    No fresh-air intake/make-up air on HVAC system.
  33. Replies
    43
    Views
    6,015

    advice for sweating windows

    When the temps drop in Houston, our window frames sweat heavily for the first day or so. I have mopped up puddles from some window sills.

    I understand that indoor humidty has a role to play in...
  34. Replies
    16
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    2,241

    does not matter if system is on or off...position...

    does not matter if system is on or off...position of weight is the same
  35. Replies
    16
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    2,241

    pretty sure it is backwards. The weighted arm is...

    pretty sure it is backwards. The weighted arm is in line with the duct whether the system is operatering or not. The only way to move the arm is 90 degrees to the right or towards the roof.
  36. Replies
    16
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    2,241

    is there any harm with it being open all the...

    is there any harm with it being open all the time. Mine seems to be installed backwards.
  37. Replies
    16
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    2,241

    yes, it is zoned. Is it safe to assume when the...

    yes, it is zoned. Is it safe to assume when the system is off, the weighted portion should close off this duct?
  38. Replies
    16
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    2,241

    weighted damper on return duct?a

    What is the purpose of a weighted damper on a section of duct coming from the supply plenum back to the return air side?
  39. Replies
    2
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    509

    Flex duct below stairs?

    Are there any code restrictions to running flex duct below a wood framed enclosed interior stairway?
  40. Replies
    3
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    533

    thank you for the quick replys. This is not a...

    thank you for the quick replys. This is not a heat pump system...
  41. Replies
    3
    Views
    533

    Check light lit on T-stat

    Check light LED is lit on Honeywell T-stat...2004 vintage..non-touch screen.

    IS this a generic message to check the filter or more like a check engine light that needs diagnosis?
  42. Replies
    3
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    1,477

    thank you

    thank you
  43. Replies
    3
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    1,477

    help with age of magic chef

    Trying to figure out how old this magic chef furnace is:

    MN: G83-100D2C4-2

    SN: A14967JAB
  44. Replies
    5
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    996

    Remedy for p-trap sweating below sink?

    The evap. primary drain line ties into the bathroom vanity sink tail piece above the p-trap. The trap and a section of the drain line are sweating below the sink.

    Is there a fix for this (the...
  45. Thread: damper size

    by aw
    Replies
    4
    Views
    517

    not replacing the damper, trying to isolate an...

    not replacing the damper, trying to isolate an issue. I think the dampers in our unit are undersized for the duct work. When the upper thermostat is on (the lower turned off) we get conditioned...
  46. Thread: damper size

    by aw
    Replies
    4
    Views
    517

    damper size

    Is there a way to know the size of an electric damper without detaching the duct from the supply plenum?
  47. Replies
    5
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    969

    the house was built in '78 so it may very well be...

    the house was built in '78 so it may very well be the original unit.

    Anyway to nail down the exact date?
  48. Replies
    5
    Views
    969

    Condenser and Evap age needed

    Condenser:

    G.E.
    MN: BGTA848R1D01
    SN: 266236631

    Evap:

    Refrigerant (was the only name listed on unit)
    MN: BH1x2248
  49. Replies
    17
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    1,661

    Are two sets of filters needed?

    We have a new house with a media air filter in attic and fiberglass filters at return air vents. Are both sets of filters needed? It seems like running both would create a flow restriction.
  50. Replies
    2
    Views
    639

    We are building a new house and wanted to get...

    We are building a new house and wanted to get some info on this coil that the builder has installed.

    Coil will be with a Lennox 4 ton condensing unit

    ADP

    MN: HD20460D245B2603AP

    SN: ...
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