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  1. Replies
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    Nobody from the Dallas/Plano side of the...

    Nobody from the Dallas/Plano side of the metroplex ?
  2. Replies
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    I'll keep his name, but he is more than an hour...

    I'll keep his name, but he is more than an hour away. A long trip for a job, especially if done twice.
  3. Replies
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    Thanks, but you might bring the wrong parts...

    Thanks, but you might bring the wrong parts...
  4. Replies
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    387

    Looking for company/tech in DFW

    One that does proper nitrogen flow during brazing.
    I have a Heat pump that needs service.
    NE DFW area.

    Thanks.
  5. Thread: Reversing Valves

    by adamk
    Replies
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    1,558

    Which Amana heat pump models does the recall...

    Which Amana heat pump models does the recall cover ?
  6. Thread: Reversing Valves

    by adamk
    Replies
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    1,558

    What makes them physically stick ? Adam

    What makes them physically stick ?

    Adam
  7. Thread: Reversing Valves

    by adamk
    Replies
    16
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    1,558

    :pop:

    :pop:
  8. ttt

    ttt
  9. Looking for AC co. in Plano TX for Heat pump eval.

    Hello;

    I'm looking for recommendations for AC company around Plano (North Dallas) area.
    I have a goodman heat pump that heats very well, but doesn't cool.

    Looking for company that properly...
  10. Sealing sheetrock is definitely required. In...

    Sealing sheetrock is definitely required.

    In this house the prior owner had the plumbing fixed in a few areas.
    They left holes in the sheetrock in the attached garage. I found out that
    there was...
  11. Did they seal returns to the return chase in the walls?

    I was in my attic and noticed that one of my return (hard) pipes moved a bit at the base.
    I pulled the insulation back and noticed that the metal plate flexes a bit, allowing the pipe
    attached to...
  12. Replies
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    2,696

    I'll be calling that phone number (BR-549)... ...

    I'll be calling that phone number (BR-549)...

    Anyone under 35 will not understand...
  13. Key; I guess your blower runs off of 120v. The...

    Key;

    I guess your blower runs off of 120v. The kill-a-watt systems only work to 120v, 15a.
    Interesting setup... Wish I could do that for my old 220v system.

    Adam
  14. Replies
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    When we moved into a house with old carpets, we...

    When we moved into a house with old carpets, we would sprinkler baking power on
    the carpet and let it sit a while. Then we would vacuum it up. It would reduce the odors
    from the carpet...

    If you...
  15. Replies
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    Assuming you're using some software to assist you...

    Assuming you're using some software to assist you in doing the Manual J procedure,
    how long does it take for a ~ 2000 sf house ?

    I had one company do one (don't know if it was complete) and I...
  16. Replies
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    Which Vision pro 8000 --- TH8320, 8321, or other...

    Which Vision pro 8000 --- TH8320, 8321, or other ?

    These two perform the lockout of the heat pump. The TH8321 can lock out the auxiliary
    until 30 degrees. The TH8320 will only lock it out down...
  17. Replies
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    3,843

    Yes, solar insolance does have an effect on...

    Yes, solar insolance does have an effect on heating and cooling...
    Its about 1kw/m2

    Having a small solar panel would allow you to measure its effect.
    Wind is another variable - though the...
  18. Replies
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    3,843

    Pstu - Pick the closest wunderground site. The...

    Pstu - Pick the closest wunderground site. The data comes from the weather units
    at the location and should be closer to your temp than some air port miles away...

    I've got a site 2 miles up the...
  19. Replies
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    3,843

    If you are going to have warm weather like Dallas...

    If you are going to have warm weather like Dallas for the next two days, do this:

    1. Shut off the heat/AC for 2 days.
    2. Read the E meter after you shut it off and 24 hrs later and 24 hrs later...
  20. Not knowing where you live in texas (profile...

    Not knowing where you live in texas (profile empty) its hard to say if last year was hotter/colder than this year.

    Where I live (Dallas) it was colder this year in December than last.

    Adam
  21. Replies
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    Well it is odd; I can buy that they are hard...

    Well it is odd;

    I can buy that they are hard to correlate. Thanks.
  22. Replies
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    1,555

    What I'm trying to do is see how accurate the...

    What I'm trying to do is see how accurate the heat loss calculation is. The heat loss per hour should somehow correlate to a temperature difference in one hour.

    Since I know the outside...
  23. Replies
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    1,555

    heat loss (calc) vs. temp drop

    I want to be able to see if there is a correlation between the temperature drop in my upstairs bedroom (1 system) and the heat loss calculation I did for that part of the house.

    Is there a way to...
  24. Kleen-Air in Plano says they can do blower door...

    Kleen-Air in Plano says they can do blower door tests...
    Not too far from McKinney...
  25. Replies
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    Daltex; While not addressing the machine...

    Daltex;

    While not addressing the machine combinations;

    Is the 20kw a single stage ? You may want to do a heat loss analysis. You may
    not need all 4 5kw elements. If the heat loss analysis...
  26. Replies
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    451

    > Damage... Yes, I know - contactors burn out...

    > Damage...

    Yes, I know - contactors burn out and weld shut... and it goes downhill
    from there...

    It has stopped, possibly due to the few degrees increase in temp.

    I'll call the installer...
  27. Replies
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    451

    Chattering contactor on HP on cold morning

    I was waking my daughter when I heard someone sending morse code. I went out to the heat pump and it sounds like the contactor is chattering. It has not done this up to this time, and when it started...
  28. Replies
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    Interesting post about lightning... Those are...

    Interesting post about lightning...

    Those are good observations. The electrons actually come from the ground and move to the sky. That's why grounded things are usually 'struck'. They are ground...
  29. Replies
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    Don't know which vision pro 8000 thermstat you...

    Don't know which vision pro 8000 thermstat you have, but the 8320 allows an aux lockout down to 40 degrees. The 8321 allows an aux lockout down to 5? degrees.

    You would only need the outdoor...
  30. Its easy to tell if the trunk, ducts or boots...

    Its easy to tell if the trunk, ducts or boots leak - feel for air leaks. If you feel air blowing
    out around one of the pieces, they haven't sealed it well. Same for returns, though its
    hard to feel...
  31. Replies
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    The public link only said it was a wireless...

    The public link only said it was a wireless outdoor temp sensor.
    Is it really that much work for a HVAC technician to install a wire from the outside
    to the tstat ?

    I though it might be a...
  32. Replies
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    1,488

    Is this true ? > The YTH9421 can go down to 5F ...

    Is this true ?
    > The YTH9421 can go down to 5F [lockout of aux heat]

    I bought the wrong one then... Would have liked to lock it out until 25 degrees, not 40.
  33. Replies
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    > Then it means that in 16 years he never read...

    > Then it means that in 16 years he never read the installation instructions...

    So true...

    I guess the HVAC companies don't practice continuing education. This is the next thing to ask for when...
  34. Replies
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    Interesting - I've been looking into this but...

    Interesting - I've been looking into this but haven't found anything that says OnCor does this.

    Would love to get the phone #.

    10 hrs for 100 bucks. Great price - sure beats climbing around the...
  35. Replies
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    I see; So it depends on how the installer...

    I see;

    So it depends on how the installer hooked it up.

    Thanks.

    Adam
  36. Replies
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    Which heat is run during heatpump defrost ?

    I've got the TH8320 honeywell tstat.

    Which heat is run, aux or emergency when the heat pump (Amana ASZ140361) begins its defrost cycle ?

    The tstat is setup as 3heat/2cool (though there isn't 2...
  37. Replies
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    Where is this house located ? It would be...

    Where is this house located ? It would be interesting to see.

    Adam
  38. Thx.

    Thx.
  39. I'll make sure to ask how low the temperature is...

    I'll make sure to ask how low the temperature is set to.

    Can the th8320 stat run 2 emergency heat stages, or only one when on the heat pump settings ?

    Thanks.

    Adam
  40. The AC only system has 3 or 4 strips. This was...

    The AC only system has 3 or 4 strips. This was the system the contractor was reviewing.
    The heat pump system has a 15kw heater option. I don't know if the emergency heat
    is setup in 2 stages once...
  41. One system is a heat pump. One system isn't...

    One system is a heat pump.
    One system isn't (straight AC)
  42. Timer controlled 2nd heat stage vs. Thermostat controlled.

    Is one better than the other ?

    The TH8320 thermostats I have can do 2 stages of heat. One contractor suggested reviewing the heater coils. The handler has a timed second stage.

    Thanks.

    ...
  43. Replies
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    uninsulated ducts or duct leak ?

    I was measuring temps on the supplies with my temp logger. I found that a few registers
    will supply air 10 degrees colder than others (for the same length of time running). By this I mean one...
  44. > Solar radiation. This is primarily why I put...

    > Solar radiation.

    This is primarily why I put RB in the attic. I've read that if you don't have a good venting
    of air RB is not very effective, but it would seem that dispensing with 97% of...
  45. You can get an 14 seer Amana heat pump with a...

    You can get an 14 seer Amana heat pump with a variable speed blower.
    Definitely get a cost analysis of higher seer systems vs. lower. It may not be worth
    the money.

    Do you have nat. gas there ?...
  46. Replies
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    Don't you hate it when they won't answer the...

    Don't you hate it when they won't answer the questions you ask. :(


    Adam
  47. Replies
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    1,735

    When I was looking for return air leaks, I used...

    When I was looking for return air leaks, I used incense sticks. The smoke quite easily
    pulled into any leaking point. It was easy to see as well. Worked well on the supply
    sides too.

    When all...
  48. Replies
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    1,735

    How did they check for leaks, by hand ? With...

    How did they check for leaks, by hand ?

    With the AC running and feeling for air flow - hopefully.

    May need to check for leaks through the ceiling. If you suspect the walls are missing...
  49. Replies
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    2,491

    Good jobs that fill the walls with cellulose...

    Good jobs that fill the walls with cellulose should be doing two fills.
    One midway up to fill the lower half and then a second fill, close to the top
    to fill it up the rest of the way. Foaming...
  50. Replies
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    1,184

    Yes, I wish the Honeywell professional...

    Yes, I wish the Honeywell professional thermostats TH832x series would record run times.... hint hint hint Honeywell.

    Adam
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