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  1. Thread: Reversing Valves

    by adamk
    Replies
    16
    Views
    1,262

    Which Amana heat pump models does the recall...

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

    by adamk
    Replies
    16
    Views
    1,262

    What makes them physically stick ? Adam

    What makes them physically stick ?

    Adam
  3. Thread: Reversing Valves

    by adamk
    Replies
    16
    Views
    1,262

    :pop:

    :pop:
  4. ttt

    ttt
  5. 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...
  6. 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...
  7. 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...
  8. Replies
    26
    Views
    2,270

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

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

    Anyone under 35 will not understand...
  9. 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
  10. Replies
    5
    Views
    557

    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...
  11. Replies
    81
    Views
    3,126

    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...
  12. Replies
    1
    Views
    674

    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...
  13. Replies
    60
    Views
    3,211

    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...
  14. Replies
    60
    Views
    3,211

    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...
  15. Replies
    60
    Views
    3,211

    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...
  16. 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
  17. Replies
    19
    Views
    1,164

    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.
  18. Replies
    19
    Views
    1,164

    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...
  19. Replies
    19
    Views
    1,164

    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...
  20. 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...
  21. Replies
    45
    Views
    1,723

    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...
  22. Replies
    2
    Views
    368

    > 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...
  23. Replies
    2
    Views
    368

    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...
  24. Replies
    15
    Views
    3,999

    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...
  25. Replies
    37
    Views
    2,311

    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...
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