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  1. Replies
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    Check the pressure ratings on them., they have...

    Check the pressure ratings on them., they have changed over the years. If you are using for nitro test or 410 hi side I would never trust hoses more than a few years old.
    I would cut the brass...
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    also what is the static pressure on system ?

    also what is the static pressure on system ?
  3. Replies
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    845

    Use an alkaline coil cleaner. Also get familiar...

    Use an alkaline coil cleaner. Also get familiar with the term hydrophilic when it comes to evap coils.
  4. Replies
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    2,677

    The national average warranty rate is 1.2 % of...

    The national average warranty rate is 1.2 % of units have a warranty within 10 years. I track my warranty rate with my AirEase and Ducane products, and they are about .9% As mentioned proper...
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    easy problem to solve, just call the manufacturer...

    easy problem to solve, just call the manufacturer tech support line and do what they tell you...
  6. Thread: c.f.m. per ton

    by bhahvac
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    381

    350 to 450 depending on how much humidity you...

    350 to 450 depending on how much humidity you want to remove. Areas in southern USAand humid areas lean towards the lower side, drier climates the higher side. Always have return sized at .08 static...
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    This is why variable speed is important. (NOT...

    This is why variable speed is important. (NOT X13)
    My Airease units I install have a 7.5 minute dehum cycle at 82% blower speed at start of every cycle. Many systems have on demand dehum as well by...
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    6,249

    I am not sure why tighter homes will 'drive...

    I am not sure why tighter homes will 'drive manufacturers to develop higher seer'....???

    But higher seer units do generally remove less humidity. large indoor coil = fast sensible temp drop,...
  9. This is why the phrase was changed from 'Global...

    This is why the phrase was changed from 'Global Warming' to 'Climate Change' . It was too cool to say it was warming.
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    325

    cold air thick heavy and falls hot air light...

    cold air thick heavy and falls

    hot air light fluffy and rises

    Don't think a problem ever arose with too much ductwork on a furnace. Your heat will be quiet for sure. As noted you can raise...
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    You will be cool TOMORROW .....

    Ever have a customer who air has been down and you get it running again and its really crazy hot and humid in their home? Of course you have. You know they call when the house is loaded up with...
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    539

    I used to sell wasp and hornet spray when I...

    I used to sell wasp and hornet spray when I worked with an hvac chemical company. The best one FREEZES the wasp, which kills him quickly. It does not take much, lower his body temp about 10 degrees...
  13. In my 30 years or so I have gone from tech to...

    In my 30 years or so I have gone from tech to hvac corporate sales / trainer then back to tech. Got my worst injury as a corporate sales manager! Demonstrating alkaline coil cleaner at a show in...
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    599

    I would just want to get back to knowing that the...

    I would just want to get back to knowing that the system is 100% full of Freon ONLY, no air or moisture. I think the oil may be a moot point; or just poor oil return.
    But whenever I have goofy or...
  15. Thread: Work Pants

    by bhahvac
    Replies
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    4,349

    Wear shorts every day here too with a hi tech...

    Wear shorts every day here too with a hi tech mesh shirt. Every day!
  16. Replies
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    599

    you have air in system. recharge w fresh juice...

    you have air in system. recharge w fresh juice after vacuum.
  17. Replies
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    1,830

    I replace contactors when they are starting to...

    I replace contactors when they are starting to char or badly pit. If I see black around the points looking into it, it's going. I have a new contactor, a charred and pitted contactor , and a really...
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    The other thing that that no one has mentioned is...

    The other thing that that no one has mentioned is that with ALL vent "Tees" the top of the pipe should extend to a height HIGHER than the drain pan in the coil. This means if the drain plugs near the...
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    812

    Honeywell claims very little difference in...

    Honeywell claims very little difference in performance with hot water over cold.
  20. Thread: Parts Warranty

    by bhahvac
    Replies
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    1,214

    Some companies do that here. Think of the...

    Some companies do that here.

    Think of the similar sales pitch for lifetime brake pads ....they tear up your rotors, you get FREE $10 brake pads, and you pay for labor...plenty of labor.et you any...
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    1,107

    :whistle: going on 6 years draining into my own...

    :whistle: going on 6 years draining into my own septic system now....2 95% er's.
  22. Replies
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    1,107

    I can understand your response. I don't typically...

    I can understand your response. I don't typically go around violating codes. the tee off the 3/4 pvc that goes to the sewer line in my house is vented to the roof turtle vent. No sewer smell for 8...
  23. Not in tx but when I see them, I have the...

    Not in tx but when I see them, I have the homeowner google 'consolidated furnace danger" or 'recall' ....sells them a new furnace most of the time!
  24. Replies
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    1,107

    get a brass fitting and drill a small hose into a...

    get a brass fitting and drill a small hose into a sewer vent line, you can screw a pipe thread brass 1/2 npt x 3/8 barb hose fitting minto a small hole drilled into the pvc,,,,then attach condensate...
  25. Reminds me of a customer who thought he knew...

    Reminds me of a customer who thought he knew every d*amn thing, Wanted me to replace his ac units, but told me they must be installed under the deck like the old ones are .."It's cooler there". Told...
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    contactor is cheap part. replace it. go forward...

    contactor is cheap part. replace it. go forward from there. Tighten all wires in breakers and electrical areas in that circuit. or call someone who knows how to do that if you arenot a pro...
  27. Thread: Micron set up

    by bhahvac
    Replies
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    1,879

    I have used the VG64 for two years now and it...

    I have used the VG64 for two years now and it does well. It got oil logged once and I followed mfgr instructions and filled it with alcohol overnite, drained it and its worked well since. Good oil...
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    How to Seal a Crawlspace

    I am looking into sealing the crawlspace in my personal home. Does anyone do this ....and can you reccomend sources for materials / techniques / instruction that you like?
  29. Lot's of threads on here from this ...WIDE range...

    Lot's of threads on here from this ...WIDE range of opinions!!!! :deadhorse:

    Used it about 20 times and followed proper applications, charged unit precisely. Close to 1/2 the units died of...
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    And to that point LENNOX (and the subsidiaries ,...

    And to that point LENNOX (and the subsidiaries , allied, ducane, etc ) have specifically re tested and redesigned some of their condensers in the last year to handle 1/4 and 5/16 on 1.5, 2 and maybe...
  31. Replies
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    Call the specific manufacturer on this. There is...

    Call the specific manufacturer on this. There is no easy answer to be found on this forum. The manufacturer will want to know the lift of the lineset, and total length as well as diameters. Some...
  32. Replies
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    our scrap yard pays you a lot less if there is...

    our scrap yard pays you a lot less if there is ANY steel on the aluminum, copper or brass. I cut the tube sheet ends off ALL coils. Cuttting of the small u bend elbows though is a wast of time, they...
  33. Personally I wouldn't stoop to that level any...

    Personally I wouldn't stoop to that level any more than I would install hvac in a meth lab.
  34. Replies
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    Saw a good sign in front of a church recently "...

    Saw a good sign in front of a church recently " To whoever took our AC units, keep them.... It's going to be hot where you are going"
  35. Do this : email this guy with this information. ...

    Do this : email this guy with this information. Removed E-mail ...... he is their head tech troubleshooter and a good friend of mine. See if you can arrange for a good smart tech hvac guy (not a...
  36. Replies
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    I have 2 95% 2 stage vs on generation 1...

    I have 2 95% 2 stage vs on generation 1 prestiges and have no problems. But, the board is different for sure, and tha gas valve works in steps. I would also call armstrong tech at 1800 448 5872...
  37. this is a common problem insulation being sucked...

    this is a common problem insulation being sucked into fans>\. I have seen it on trane gas furnaces more than anything else.
  38. Replies
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    First lesson in heat pumps - Mismatching brands...

    First lesson in heat pumps - Mismatching brands = bad. Mismatching brand AND seer very bad. mismatching brand seer and improper lineset size even worse. Will it work? maybe. Will it work in...
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    We specialize in Hot Women ...

    We specialize in Hot Women ...
  40. Thread: pan leaks

    by bhahvac
    Replies
    3
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    703

    i have used it, but i like the ace pan patch...

    i have used it, but i like the ace pan patch ..... called PPA better
  41. Replies
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    840

    sent you a pm with password hcong

    sent you a pm with password hcong
  42. Replies
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    5,991

    Unfortunately it's too much of the norm. I don't...

    Unfortunately it's too much of the norm. I don't know how people sleep at night.
  43. Replies
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    your message is unclear. call their techline at 1...

    your message is unclear. call their techline at 1 800 448 5872, have your stats and superheat, etc ready.
  44. Thread: Sil Fos 5%

    by bhahvac
    Replies
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    2,755

    Just FYI Lennox uses 0 % at the factory and the...

    Just FYI Lennox uses 0 % at the factory and the flux is in the gas.

    I have been using Dynaflow and have had ZERO problems. I see no need to ever buy 15% again.
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    I like how he says I HAD TO DO IT ...... :whistle:

    I like how he says I HAD TO DO IT ...... :whistle:
  46. Replies
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    1,455

    I managed a fast food retaurant while in hvac...

    I managed a fast food retaurant while in hvac school many years ago. We had about 6 rooftop units. The kitchen got HOT as blazes, the accustat bulbs were maybe 76 or so.


    The stats were wall...
  47. Replies
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    2,149

    There is no such thing as 'low acid' coil...

    There is no such thing as 'low acid' coil cleaner. It's either acid or alkaline.
    Water is 7 on the pH scale. Higher than 7 is alkaline, lower than 7 is acid.

    Pink coil cleaners are usually...
  48. Replies
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    4,161

    It's true that more people can buy Trane units...

    It's true that more people can buy Trane units than ever. They had to open up their product line as they were loosing too much market share. The only company that lost as much market share as Trane...
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    999

    In Canada? I wouldn't spring for that. Doubt...

    In Canada? I wouldn't spring for that. Doubt humidity control is much of an issue. :.02:
  50. Replies
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    Here are some facts on Trane that the high priced...

    Here are some facts on Trane that the high priced marketing campaign will not tell you:

    1) A report came out in an industry magazine last year that showed since Trane was bought by it's current...
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