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  1. Replies
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    You guys notice the adjustable TXV? I was...

    You guys notice the adjustable TXV? I was surprised to see that, it is a 5 ton Goodman, supposedly new...Does Goodman ship that way?
  2. Replies
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    785

    To New Techs: Check your filter!

    823968

    Before putting your gauges on a system, CHECK your filter!
    When the liquid line is cold, check your Filter!
  3. Around here most companies advertise no overtime...

    Around here most companies advertise no overtime billed to customer, just means the average ticket will be higher. I do know of 1 company that the service fee is $125 for residential, commercial is...
  4. Is this residential or commercial or both?

    Is this residential or commercial or both?
  5. Did he do an HVAC Load calculation to determine...

    Did he do an HVAC Load calculation to determine unit size?
  6. Replies
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    2,649

    This is personal, you care about this...

    This is personal, you care about this relationship and are trying to convince yourself to do it. Sounds like a fun way to spend time with people you care about, I would still get them to replace any...
  7. Replies
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    506

    Really depends on where this is happening. Kids...

    Really depends on where this is happening. Kids huff refrigerant and vacant homes are targets. Are there locking caps on the service valves?
  8. Replies
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    1,010

    What about the temporary suction line drier? You...

    What about the temporary suction line drier? You replace that?
  9. If its broke, then fix it. Quote the job, do the...

    If its broke, then fix it. Quote the job, do the work, get paid. Personally I am not a fan of zoning, but do understand the need for zoning, and will repair as needed.
  10. Give this guys a call:...

    Give this guys a call:
    https://www.sustainablecoils.com/
  11. Replies
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    438

    According to the tech specs, will read "psi, MPa,...

    According to the tech specs, will read "psi, MPa, kPa, bar, Foot of head" and the temp probes "C, F, K"
    I like the included charging port...but I currently use Testo Probes with the measure quick...
  12. Replies
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    438

    Has anyone tried these: ...

    Has anyone tried these:
    https://www.trutechtools.com/Sauermann-Si-RM3-Wireless-Smart-Probes
  13. Replies
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    883

    Like others have said, round hard pipe is better...

    Like others have said, round hard pipe is better than flex, now for sound use short flex runs to the boot. They even have mastic tape now, works great and none gets on me, and use bubble wrap...
  14. Most I have seen around here fail. I replace one...

    Most I have seen around here fail. I replace one that a tree root, form a tree 20 feet away, broke the line. I have seen tree roots break the gas pipe, that was black iron, and the tree was a...
  15. Replies
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    951

    If RC caused the short, which circuit is that...

    If RC caused the short, which circuit is that controlling? Start there.
    Also, sometimes the C wire is on the wrong terminal.
  16. Replies
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    My guess would be no.

    My guess would be no.
  17. Thread: IoT gauges

    by Artietech
    Replies
    14
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    10,470

    Sensi Predict.......

    Sensi Predict....
    https://sensi.emerson.com/en-us/products/sensi-predict
  18. I agree, will a strong nitro purge be able to...

    I agree, will a strong nitro purge be able to clear oil logged tubes?
  19. To answer the original question: YES a stuck...

    To answer the original question: YES a stuck reversing valve can cause your symptoms.
    New questions: What caused the RV to stick? Could this compressor be from the 2014 era, where the oil additive...
  20. Replies
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    1,757

    I'm pretty sure that this is not an AHRI matching...

    I'm pretty sure that this is not an AHRI matching system. I don't see Trane matching the TEM air handler with anything other than a Trane product. The proper fix, per Trane or Bosch, is to change...
  21. Replies
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    1,757

    I have worked with a lot of these, both in the...

    I have worked with a lot of these, both in the field and doing working in the Trane product test lab. If "O" is not seen by the AH AFC, then the EEV board will default to heat mode, even when in...
  22. Replies
    73
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    1,757

    On the Trane TEM units, the EEV profile is based...

    On the Trane TEM units, the EEV profile is based on the "O" input from the thermostat. PLUS the ECM blower needs to see "O" for its cooling profile. Does not matter if communicating or 24v system....
  23. Replies
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    1,757

    Actually some Tranes will use the "O" to set the...

    Actually some Tranes will use the "O" to set the blower speed, if using an ECM. "O" will also be used to determine if the EEV is in cool mode or heat mode. Your answer depends on which Trane Air...
  24. Replies
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    1,237

    That unit is a solder in unit, so no field...

    That unit is a solder in unit, so no field installed flares, unless they used a flared filter drier.
    He may be calling the TXV connections flares, which can leak from factory.
    Based on what you...
  25. Replies
    12
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    3,107

    What's the problem? The coil is...

    What's the problem? The coil is clean.......:angel:
  26. Replies
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    1,063

    https://www.centrotherm.us.com/InnoFlue/InnoFlue-S...

    https://www.centrotherm.us.com/InnoFlue/InnoFlue-Single-Wall-Residential/Vent-Lenghts/Vent-Lengths.aspx

    Looks the product is for Flue Venting....first time I have seen it...
  27. I think that in a new install, new construction,...

    I think that in a new install, new construction, the residential is so cut throat, you would lose jobs. That may be the mentality that contractors have towards your question. Run it in sch 80 PVC,...
  28. Replies
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    1,089

    What are the temps on all four pipes of the...

    What are the temps on all four pipes of the reversing valve?
  29. That wont be a problem for us! We have multiple...

    That wont be a problem for us! We have multiple gas furnaces in our classroom.
  30. Thread: Fan Pullers

    by Artietech
    Replies
    36
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    3,298

    https://resource.bakerdist.com/is/image/Watscocom/...

    https://resource.bakerdist.com/is/image/Watscocom/ulmer-tool_91648_article_1454073746648_en_normal?defaultImage=Baker_No_Image&qlt=80&resMode=sharp&op_usm=1.75%2C0.3%2C2%2C0&wid=500&hei=500haven't...
  31. Replies
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    3,496

    We use the TruBlu kits at our HVAC program where...

    We use the TruBlu kits at our HVAC program where I teach. They save valuable lab time!
  32. Replies
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    2,436

    My next van will be solid panels in place of the...

    My next van will be solid panels in place of the windows for sure, keep nothing important in the cab, everything locked in the back. The slick locks do work. Cant be pried off.
  33. Replies
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    1,752

    I have reached out via the contact form on the...

    I have reached out via the contact form on the website. I had a conversation with my Dean, looks like he would be willing to green light the event. Hopefully I hear back soon.

    Thank you for...
  34. Is it just the recertification that is virtual? I...

    Is it just the recertification that is virtual? I have been wanting to go to the 3 day class (waiting to hear back from NCI), they say 2 days instructional and the 3rd day is testing. Is this how...
  35. NCI is great, but no classes available right...

    NCI is great, but no classes available right now...
    Do they publish a textbook?
  36. Replies
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    2,436

    Do these not work anymore?

    https://www.carid.com/images/pages/van-window-screens/mesh-window-screens.jpg
    ...
  37. Replies
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    1,752

    I will now that I know it may be possible to host...

    I will now that I know it may be possible to host a class.
  38. Replies
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    1,752

    Understood, I will look for contact info on the...

    Understood, I will look for contact info on the website....and then see how to add to next year's budget request.....
  39. Replies
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    1,752

    I'm pretty sure we have the space, I teach at...

    I'm pretty sure we have the space, I teach at Tyler Junior College, so is ten the minimum amount of students needed for a class?

    Do you who at NCI I would need to contact? I must have missed that...
  40. Replies
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    1,752

    Does anyone know when NCI will start giving...

    Does anyone know when NCI will start giving classes again? Currently it has online instruction for those who wish to renew the certification, but I do not see the 3 day in person class listed on the...
  41. Replies
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    1,569

    Here, I am not allowed to even run the gas line...

    Here, I am not allowed to even run the gas line to the furnace. Code states that as HVACR contractor I can install the furnace to the provided gas shutoff. Similar on the electrical side, we can...
  42. Replies
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    1,752

    So how long does it take to do? Start there,...

    So how long does it take to do?

    Start there, in your area of the country, are your competitors doing a CA every time?
  43. Replies
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    2,337

    Back in my Navy days we used to send the new guys...

    Back in my Navy days we used to send the new guys to look for Sound Powered Phone Batteries.....had most of the ship in on it, got the new familiar with whole ship, top to bottom. And then one guy...
  44. Replies
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    804

    If you suspect low subcooling 1. Find the leak...

    If you suspect low subcooling
    1. Find the leak
    2. Find the leak.
    3. Recover refrigerant
    4. Pressurize with nitrogen
    5. Find the leak
    6. Read the install manual
    7. Calculate how much charge to...
  45. Replies
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    2,711

    Isnt that what the helper is for? If I can, I...

    Isnt that what the helper is for?

    If I can, I tape first then put that thing in the closet.
  46. Replies
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    3,893

    I have the G5 twin. Only problem I had was when I...

    I have the G5 twin. Only problem I had was when I turned it on with the recovery tank valve closed. It sprung a leak in the condensor, which was VERY easy to repair myself. I have used the G5 twin...
  47. Replies
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    https://www.bing.com/videos/search?q=vimeo+three+s...

    https://www.bing.com/videos/search?q=vimeo+three+stooges+plumbing&view=detail&mid=448535BC9DC9ABCA16BE448535BC9DC9ABCA16BE&FORM=VIRE
  48. Replies
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    2,145

    I have had this happen to a hanging propane...

    I have had this happen to a hanging propane furnace in a greenhouse. Furance is way oversized for the space, we had to bring in fresh air to avoid starving the flame, now I see why it has the...
  49. I thought the vibration was at the Air Handler?

    I thought the vibration was at the Air Handler?
  50. Replies
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    Oh, and always charge enough for a job to be...

    Oh, and always charge enough for a job to be worth the headaches it will cause, that way if they do say yes, the extra money is there.
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