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  1. Replies
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    not sure of the duct size but it is undersized so...

    not sure of the duct size but it is undersized so I saw no need in seeing just how bad.
  2. Replies
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    went to a new install due to no cooling checked...

    went to a new install due to no cooling checked air flow and found it super low. I pulled off the the blower door and the installers had installed the blower assembly in backwards. I did not think...
  3. Replies
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    994

    Evap. goes where?

    Say this at a rental Friday. The reason I was there was the landlord replaced the thermostat and it was set up for heat pump not gas and ac, and now the unit shuts down after 20 minutes of run...
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    685

    5791386 Is the AHRI ref #. All you have to do is...

    5791386 Is the AHRI ref #. All you have to do is go to https://www.ahridirectory.org/ahridi...ultSearch.aspx copy your outdoor model number from your first post and paste it in outdoor unit model...
  5. I had a 90+% last winter that the intake sucked...

    I had a 90+% last winter that the intake sucked in hot humid exhaust and formed ice in the intake restricting intake air. could not see it from the outside with out shining a flash light in to the...
  6. Replies
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    2,658

    went to one thursday 4 75,000 btu trane gas paks...

    went to one thursday 4 75,000 btu trane gas paks and 1 3 ton hp wit 15kw of heat for an interior meeting room mainly for a/c. 2 units down with open glow coils. the temp. on one unit was 70 the...
  7. Replies
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    685

    Looks like with your furnace and outdoor unit the...

    Looks like with your furnace and outdoor unit the best you can do is

    seer - 15.5

    hspf - 8.5

    eer - 11

    cfm - 1590
  8. Replies
    19
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    685

    you can put your furnace model and heat pump...

    you can put your furnace model and heat pump model numbers in here and leave out the coil to see if you can find it your self.
    ...
  9. Replies
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    685

    When I give a proposal I always include a print...

    When I give a proposal I always include a print out of the AHRI ratings of what I am quoting.
  10. Replies
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    337

    back in the 80's I do not remember anything about...

    back in the 80's I do not remember anything about sub cooling until the mid 90's. super heat just barely in the 80's mainly beer can cold as i remember taping temperature probe to suction line with...
  11. Replies
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    211

    compressors generally (every brand I know of) 5...

    compressors generally (every brand I know of) 5 years and sometimes 10 year warranties.
  12. are you running propane? that is not your...

    are you running propane? that is not your problem.
  13. Thread: 1973 ductwork

    by DOGBOY
    Replies
    9
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    284

    when you say 2 20" returns are you talking round...

    when you say 2 20" returns are you talking round flex or round hard pipe? Pictures are always good. Just because it was installed in 1973 does not mean anything. duct work is sized to the...
  14. Replies
    3
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    211

    unless you get a tech out there you will be...

    unless you get a tech out there you will be wondering for a long time. The compressor will have a 5 or 10 year warranty on it I would want it repaired while the part was still under warranty. You...
  15. Replies
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    286

    now do you mean that you have a 2 stage heat pump...

    now do you mean that you have a 2 stage heat pump with auxiliary heat or are you calling the heat pump and auxiliary heat 2 stage?
  16. Replies
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    441

    As a business owner/self employed I would not...

    As a business owner/self employed I would not like one of my employee's doing this as (1) it would be to easy to catch a call on the way home in my van with my tools and my materials that may or may...
  17. Replies
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    338

    metal

    metal
  18. Replies
    16
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    441

    unrestricted is harder for sure, had a friend...

    unrestricted is harder for sure, had a friend fail it 3 times and then went for restricted saying that he would never work on anything over 5 tons anyhow. Good luck.
  19. Replies
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    441

    did you go for unrestricted or restricted?

    did you go for unrestricted or restricted?
  20. Replies
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    1,055

    I have gotten a few line sets manufactured in...

    I have gotten a few line sets manufactured in china and when I use my YJ ratcheting benders on them the kinked. Usa made line sets do not seem to do that and they never did this in the past. So how...
  21. i change mine every 12 to 18 months. That is...

    i change mine every 12 to 18 months. That is when mine gets too dirty. Usually 18 months.
  22. it may be behind the blower compartment door. ...

    it may be behind the blower compartment door. and your unit has no thermocouple.
  23. On a 3 ton heat pump I would go with at least...

    On a 3 ton heat pump I would go with at least 10kw. My 3.5 ton has 15kw and when it goes into defrost my supply temps are only in the 70's I am thinking 76 (could possiby be 81 I just do not...
  24. Thread: Heat Pump fail

    by DOGBOY
    Replies
    79
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    2,380

    I have gone to several houses for maintenance and...

    I have gone to several houses for maintenance and it being my first visit would ask how does your HP heat? And almost always I would get a great it has NO PROBLEMS I just want a maintenance. I have...
  25. Thread: heat pumps

    by DOGBOY
    Replies
    8
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    471

    ok I am there with you on that. If there is a...

    ok I am there with you on that. If there is a problem I do gather more data. On a maintenance not so much if it is too difficult.
  26. Replies
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    816

    so you guys would not be at all concerned that...

    so you guys would not be at all concerned that the coil could have been (probably was) used with/for r-22 with mineral oil? And in my opinion flushing out a coil of any kind would be difficult at...
  27. Replies
    6
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    219

    I would think dbl wall pipe would work as the...

    I would think dbl wall pipe would work as the inner liner could/would stay warmer than the outside and not allow the frost to build up. Maybe?
  28. Replies
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    I wonder what the problem was/is?

    I wonder what the problem was/is?
  29. Thread: heat pumps

    by DOGBOY
    Replies
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    471

    not saying or implying that you are not correct...

    not saying or implying that you are not correct but am saying you are a much better person/tech than me as I will not pull a top off of a hp just to put a probe down in the unit on the suction line...
  30. Replies
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    816

    I was going to say look at the year it was...

    I was going to say look at the year it was manufactured. but your way is easier.
  31. Thread: heat pumps

    by DOGBOY
    Replies
    8
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    471

    or higher or lower depending on the temperature...

    or higher or lower depending on the temperature outside.
  32. Replies
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    2,658

    my worst one is you drive up to the house and abc...

    my worst one is you drive up to the house and abc heating and air beat you there. HO never bothered calling to cancel you knock on the door and they simply say oh abc beat you here and close the...
  33. Replies
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    512

    The manufacture/goodman never tested their...

    The manufacture/goodman never tested their outdoor unit with a trane indoor unit so who is to say that the indoor coil will be sized properly for the application? Too large or too small? And a...
  34. Replies
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    271

    ameristar is that trane or IR? I googled it and...

    ameristar is that trane or IR? I googled it and it is IR so why did they change from o to b?
  35. Replies
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    271

    isn't the only company the energizes in heat...

    isn't the only company the energizes in heat rheem/ruud/weatherking? Everybody else in cooling?
  36. Replies
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    276

    some manufacturers are requiring proof of...

    some manufacturers are requiring proof of maintenance dated with in 1 yr of the failure on a system to provide warranty for it. If you do not believe me read your contract for the extended parts...
  37. Replies
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    276

    Checking gas pressure, cleaning coils and...

    Checking gas pressure, cleaning coils and checking electrical components can help lengthen the life and efficiency of a system if done properly. That is the key IF done properly. If not done...
  38. Replies
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    404

    Bad! I have done 1. All day by myself.

    Bad! I have done 1. All day by myself.
  39. you circled multi stage heat pumps. do you have...

    you circled multi stage heat pumps. do you have a heat pump because you gave the model number to a gas furnace. Which is evidently a 2 stage gas furnace which this will not control both stages.
  40. Replies
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    290

    Are you talking about dampers or...

    Are you talking about dampers or grilles/registers? honeywell's round dampers close 100% as they have a foam seal they close up against.
  41. Replies
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    228

    can you post a picture of it? And yes it needs...

    can you post a picture of it? And yes it needs to have all the air going thru the filter, if it doesn't then it is not being filtered and is dirty air and will allow your evap coil to get very dirty...
  42. We can not help with DIY due to site rules. We...

    We can not help with DIY due to site rules. We do not know your experience level and if some one where to see the post and tried what was suggested and got hurt or worse. We just can't be...
  43. Thread: CFM

    by DOGBOY
    Replies
    14
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    745

    14" flex return on each to a 20x20 filter. And...

    14" flex return on each to a 20x20 filter. And of course the flex is not stretched tight and it has some sharp bends in them.
  44. Replies
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    Also ask them what the TESP of the duct is. ...

    Also ask them what the TESP of the duct is. Shile they are there.
  45. Replies
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    236

    so you are going with a 95% eff furnace in place...

    so you are going with a 95% eff furnace in place of an 80% or 70+%? Mobile homes will have a decal somewhere that states what size the cooling and heat needs to be. is yours calling for 57,000 btu...
  46. I would turn it to emergency heat and call for a...

    I would turn it to emergency heat and call for a service call. You do not want it cycling on and off that quickly (short cycling).
  47. Thread: CFM

    by DOGBOY
    Replies
    14
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    745

    Found 2 gas furnaces with a/c, in one house in a...

    Found 2 gas furnaces with a/c, in one house in a subdivision that has the same brand in all the houses so I am thinking it is the same contractor doing the work, with static pressures of 1" u/s and...
  48. Thread: CFM

    by DOGBOY
    Replies
    14
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    745

    it was stated in the 2nd post (400 cfm per ton). ...

    it was stated in the 2nd post (400 cfm per ton). Do people not read or research anything?
  49. Replies
    2
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    1,005

    Nice HE replacement

    This is what I found today. Amazing what people will do. I believe the pooky stuff is high temp rtv but don't think it was rated for the temps they put it too. I found one tube inside the firewall...
  50. Replies
    2
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    255

    The heat pump will always be more efficient than...

    The heat pump will always be more efficient than the electric heat, its called COP. Heat pumps can still put out some heat down to 0 or lower. everybody has an opinion and this is mine. It also...
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