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  1. Replies
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    291

    It is now!

    It is now!
  2. For what it's worth... ...

    For what it's worth...

    http://www.tinaja.com/glib/muse112.pdf
  3. Seems well and good to have a tight house but if...

    Seems well and good to have a tight house but if equipment isn't moved out of attics and crawls the benefit is limited.
  4. Contract it out. If it's like T&B it's supposed...

    Contract it out. If it's like T&B it's supposed to be done by an independent entity anyway.
  5. You mentioned a 3' inverted loop at the evap....

    You mentioned a 3' inverted loop at the evap. There was a time this was part of piping when the evap was higher than the condenser. The idea was to prevent flooding the compressor with refrigerant if...
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    I don't need to take the test because I know I...

    I don't need to take the test because I know I won't do well. Never did. It didn't help in high school sitting next to this girl from Germany that typed at a blazing speed few errors. She was good, I...
  7. Thirty or forty years ago hvac guys usually...

    Thirty or forty years ago hvac guys usually didn't have instruments like today. The thirty degrees idea was based on a twenty degree delta and ten degrees heat of compression. Overall I believe it...
  8. Thread: Duct take offs

    by hvacker
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    1,122

    In my thinking these takeoffs are velocity...

    In my thinking these takeoffs are velocity takeoffs and are unpredictable. Most well designed systems using straight takeoffs are almost self balancing. As soon as you start dipping into the...
  9. Thread: A FUNNY STORY

    by hvacker
    Replies
    33
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    2,171

    Sounds more like a conservative that refused to...

    Sounds more like a conservative that refused to change.
  10. Replies
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    575

    This might sound odd but IMO a guy that does...

    This might sound odd but IMO a guy that does crappy work but understands business has a better chance of making a go of it than the guy that knows the work but not the business.
    Find where your...
  11. The nice thing about a boost-buck transformer is...

    The nice thing about a boost-buck transformer is they draw very little current.

    http://www.powertransformer.us/buckboosttransformers.htm
  12. Not sure why you're going to copper. It's pricy....

    Not sure why you're going to copper. It's pricy. Anyway you don't need type "K" Usually on a normal pressure boiler type "M" is code. If anyone here knows of a code change let me know.
  13. Awhile back an electrician installed a boost-buck...

    Awhile back an electrician installed a boost-buck transformer to solve a voltage problem on a 3 ton condenser. I wonder if the supply house meant boost-buck and not capacitor.
  14. Replies
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    1,648

    Wasn't me. A Lennox field tech before he went to...

    Wasn't me. A Lennox field tech before he went to Lennox. He worked central Wis. and this happened on 4th of July when it fell on a weekend. Supply houses didn't always open up. That's a fairly recent...
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    Finding information about when to get rid of...

    Finding information about when to get rid of hoses might not be ez because if manufactures made that known it would make their product look vulnerable. I know rubber products have a cure date. That...
  16. Replies
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    There probably is a date where hoses need...

    There probably is a date where hoses need replacement. On airplanes hoses have a cure date. When I was in that industry the replacement date was 5 years. It's been awhile so with more recent...
  17. Thread: Cold weather

    by hvacker
    Replies
    37
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    1,152

    It only got up to 69 here today

    It only got up to 69 here today
  18. Replies
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    2,022

    Using a string or straight edge is useless if the...

    Using a string or straight edge is useless if the motor sheave and the driven sheave are not the same thickness. And they usually aren't. Might be better off to just install the belt and observe how...
  19. Replies
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    1,648

    The question has been "what qualities should a...

    The question has been "what qualities should a refrigerant have"? Some are non-toxic, non-flammable, inexpensive (ya right) portable, Other things like oil return, refrigeration effect, corrosion...
  20. Thread: Bouillabaisse

    by hvacker
    Replies
    1
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    571

    Years ago I was reading the recipe by the chief...

    Years ago I was reading the recipe by the chief Escoffier. I think he used 12 different fishes. It can get as expensive as you want. I've made a few and usually use Julia Child's or close. Living...
  21. Replies
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    Someone was making BBQ's from refer jugs some...

    Someone was making BBQ's from refer jugs some years ago. Before the gov wanted them destroyed. this one was cut in half the long way, hinged together, and a small chimney, a couple of handles. Easy...
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    Once while in a military hospital for a couple...

    Once while in a military hospital for a couple weeks a "Hot Nurse"asked me if I wanted a massage. Sure I said. A few minuets later this guy comes in and asked "Are you the one that wanted the...
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    ACR = clean and plugged. same with a...

    ACR = clean and plugged. same with a refrigeration label. Nothing to do with burst pressures or type. Although a minimum of type L should be expected. If China is short changing on wall thickness...
  24. Replies
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    723

    A short coming with a recip is it can't...

    A short coming with a recip is it can't completely empty the cylinder. There is always some hot gas left behind and it's highly compressed. On the intake stroke the hot gas expands limiting the...
  25. Replies
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    Here's a chart of burst pressures...

    Here's a chart of burst pressures
    http://www.copper.org/applications/plumbing/cth/technical-data/tables/cth_table5.html

    So that line set looks like 2935psi.

    Here's the site....
  26. Replies
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    1,604

    Doing a field pressure test offers no conclusion....

    Doing a field pressure test offers no conclusion. For all you know you might be inviting failure by weakening the line set.

    I remember a contractor that needed a 3" 90 ell for hot gas on a 75 ton...
  27. Thread: Pump on boiler

    by hvacker
    Replies
    8
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    383

    Probably not your problem but I remember a...

    Probably not your problem but I remember a problem system that for years had a three phase pump running backwards.
  28. Thread: odd email text

    by hvacker
    Replies
    10
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    318

    Did you advertise on Craig's List? Craig's List...

    Did you advertise on Craig's List? Craig's List is becoming famous for scams. Some want access to a home so they can scope it out. Yard sales have this happen when someone asks it their kid can use...
  29. Replies
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    I bought an HP in 2001 (I think) and it served me...

    I bought an HP in 2001 (I think) and it served me ok. Had a few crashes etc. In Oct I bought a Dell with 8.1 and have had few problems. One program, an old cad program actually runs better. I had to...
  30. Replies
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    There are likes on another forum I go to. No...

    There are likes on another forum I go to. No dislikes though.
    I think if you get 500 you get a free toaster.
  31. Replies
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    Almost always it's a lean mixture. A backfire. I...

    Almost always it's a lean mixture. A backfire. I might measure the orifices to see if they are large enough. Kind of odd that there are no air adjustments. Could they have been removed by someone?
  32. Replies
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    Reminds me of an airplane called a Wigeon. An...

    Reminds me of an airplane called a Wigeon. An aircraft company I worked for way back had one they were restoring. When things got slow they would turn us loose on the plane. We called it...
  33. I guess every little bit helps. But how much?...

    I guess every little bit helps. But how much? Most commercial loads are generated internally from people, equipment, and glazing. Many require cooling all year long. Many use heat during morning...
  34. Most of my home has a flat roof originally built...

    Most of my home has a flat roof originally built up asphalt. I had a white "rubber" roof installed a few years ago. While it helped in the summer it cost me in winter because I lost the heat gain the...
  35. Replies
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    Original contractor might have been following a...

    Original contractor might have been following a print hoping for a change order approval that never came.
    There are those that bid low and make their end with change orders.
  36. Replies
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    Understanding these terms is not always ez. I...

    Understanding these terms is not always ez. I remember a contractor that wanted to start a service division. The to be manager asked me if he needed to construct a special building to keep the...
  37. Replies
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    On a one story commercial building I was amazed...

    On a one story commercial building I was amazed to see water trapped between the original roof and a re-roof. It was like walking on a waterbed.
    I told the owner, told him again the next year and...
  38. Thread: Capitan's hook

    by hvacker
    Replies
    5
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    306

    I have one similar but never really cared for it....

    I have one similar but never really cared for it. Too much heat for one thing. The other is the solder follows the heat and I play the flame to run the silver where I want it to go.
    Might think I'm...
  39. Replies
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    Making money with no overhead is ez. What...

    Making money with no overhead is ez. What timebuilder asked is valid. Not understanding the business end is what kills most start ups along with not enough capital to sustain the necessary growth...
  40. I think it's called a "Head Screw". Used to add...

    I think it's called a "Head Screw". Used to add interest to straps and pulls. Mission style uses them.
    www.vandykes.com used to carry some. If not search decorative hardware or restore hardware.
  41. Thread: union

    by hvacker
    Replies
    28
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    1,275

    Roger That!

    Roger That!
  42. Replies
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    1,357

    Didn't Aeroquip or Aeroquipt make a fitting like...

    Didn't Aeroquip or Aeroquipt make a fitting like that too?
  43. Replies
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    Parasite infections are fairly common with kids....

    Parasite infections are fairly common with kids. At some age it seems like kids put everything in heir mouths.
    During flu season the easiest diagnosis is flu. I might want to test him for parasites....
  44. Replies
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    1,163

    I've installed 1 1/8 a lot in earlier years....

    I've installed 1 1/8 a lot in earlier years. Usually 5 ton systems. I hated the stuff. Wrestling match.
    I also hated burying brazed joints in walls. Kind of like a electrical junction box in a...
  45. Thread: union

    by hvacker
    Replies
    28
    Views
    1,275

    Before my business I worked for three different...

    Before my business I worked for three different Union contractors in two different States and never heard of paying for oil or anything else I didn't own.
    That should have been brought up to your...
  46. Thread: Jet Diffuseer

    by hvacker
    Replies
    4
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    264

    Unless you use a capture hood go to their site...

    Unless you use a capture hood go to their site and there should be information of how to do it. Usually probe placement is important.
  47. Replies
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    279

    And the backflow preventer works.

    And the backflow preventer works.
  48. A small drawer pull?

    A small drawer pull?
  49. Thread: Training

    by hvacker
    Replies
    6
    Views
    275

    Taco has an online school that looks good but I...

    Taco has an online school that looks good but I haven't jumped in yet. If you will be dealing with piping/pumping systems knowing good design is necessary.
  50. Thread: PM's

    by hvacker
    Replies
    23
    Views
    1,717

    A lot of PM's are written to impress the customer...

    A lot of PM's are written to impress the customer when they actually promise too much. That often jams up a PM. I remember a monthly commercial account in a three story where the PM said "Calibrate...
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