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  1. Replies
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    Great points Bear. Does almost across the board...

    Great points Bear. Does almost across the board lack of understanding frustrate you at times? The subject seems relatively simple but when there is a problem the proper tests need to be done and the...
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    Here's an example of why I started this thread. I...

    Here's an example of why I started this thread. I was asked to do the TAB on 3 RTU'S serving an office building (pretty small job). The office staff ask me if I could do anything about the high...
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    You can definitely get too old but at 61 you have...

    You can definitely get too old but at 61 you have a lot of time left assuming your physical and mental health holds up. You have to be honest with yourself on both counts and not rationalize.
    I...
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    Law enforcement has resisted jumping to...

    Law enforcement has resisted jumping to conclusions. They have followed the evidence step by step and have only filed the charges the evidence clearly supports. The worst thing that can happen in a...
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    How cold does the supply air get? Does the unit...

    How cold does the supply air get? Does the unit subcool and then reheat and if so how? How can I determine how much water the unit can remove from the air?
    Those are the things that are needed to...
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    You obviously don't know any cops very well. I...

    You obviously don't know any cops very well. I have two nephews that are cops and both of them know EVERY BUSINESS OWNER on their beat. They know some of their children and most of their spouses.
    It...
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    Can you say for sure the cops didn't know the...

    Can you say for sure the cops didn't know the owners personally? If they did that would help explain a lot. Since neither of us know that one way or the other for sure how can we explain anything?...
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    I clicked the link.

    I clicked the link.
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    Herman Cain said it very well when he said "you...

    Herman Cain said it very well when he said "you only get one chance" He was referring to charging and trying someone for murder. He was in favor of the police waiting for the autopsy report before...
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    Another Humidity Question

    I have been trying for some time to find out how the Lennox Prodigy controls humidity in their RTU'S. I have seen jobs where it works fine but other jobs where the water removal was insufficient....
  11. Thread: Dirty Ducts

    by WAYNE3298
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    That's what I have done Answer-Man. He wanted my...

    That's what I have done Answer-Man. He wanted my opinion and knows I have never liked internally lined ducts. He is planning to contact the contractor and handle all the details.
    My own opinion of...
  12. Thread: Dirty Ducts

    by WAYNE3298
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    Didn't see any silver and I have presented this...

    Didn't see any silver and I have presented this as a health issue. It must be unhealthy to breath this crap.
  13. Thread: Dirty Ducts

    by WAYNE3298
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    The feed back here is what I expected. Internal...

    The feed back here is what I expected. Internal insulation never made sense to me.
  14. Thread: Dirty Ducts

    by WAYNE3298
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    I have recommended new ductwork but this is a...

    I have recommended new ductwork but this is a city owned building and the chances are slim to none. The engineer thinks they can be cleaned but unless someone here can identify a slick method I don't.
  15. I won't take any of your business because I...

    I won't take any of your business because I retired and getting lazier every day.

    If anyone wants to start another thread I'll read every word. I did a little of what you guys do but only my own...
  16. That will keep me busy for a while.

    That will keep me busy for a while.
  17. Thread: Dirty Ducts

    by WAYNE3298
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    Dirty Ducts

    I went to TAB the RTU'S on a small building today and found problems with almost everything. The one that bothers me the most is the dirty duct interiors. The ducts are interior lined and are blowing...
  18. Is there anything the supply house can do to get...

    Is there anything the supply house can do to get rid of the non condensables? In a steam plant you simply vent them off at the deaerator. Having non condensables in refrigerant is new to me.
    Tell me...
  19. How do you check the recovered refrigerant for...

    How do you check the recovered refrigerant for non condenseable?
  20. Do you guys use that check occasionally? It...

    Do you guys use that check occasionally?

    It also agrees with the printed chart GA. That's what made it interesting. Good set of gages.
  21. It was really interesting how close the...

    It was really interesting how close the temperatures are to each other and how close they are to the PT chart.
  22. Does the pressure/temperature correlation in post...

    Does the pressure/temperature correlation in post no.1 agree with the refrigerant TP chart?
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    I use 75 with a 3 F offset also Unlimited1.

    I use 75 with a 3 F offset also Unlimited1.
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    One thing I should add is that this thread has...

    One thing I should add is that this thread has nothing to do with maintaining RH. We have young guys on here that have most likely not given this subject much thought. Reaching and maintaining the...
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    We all agree proper sizing is the key to a...

    We all agree proper sizing is the key to a successful system. Since home stats respond to sensible heat it is entirely possible to have a higher than desired relative humidity with the sensible...
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    randyf the quality of responses to this thread...

    randyf the quality of responses to this thread are really good. The original post was assuming the space was uniformly cooled. If the space is cooled with 55 F air and the space is uniformly cooled...
  27. Thread: Biden

    by WAYNE3298
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    Just out today there is another tape of Hands...

    Just out today there is another tape of Hands discussing getting the Ukrainian fired that was investigating Hunter.
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    The problem with supplying air warmer than 60 F...

    The problem with supplying air warmer than 60 F in cold weather is that while the perimeter needs heat the building core needs cooling. I have seen 65 F winter cooling tried but it didn't work out...
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    The flue shot is the only shot they gave me that...

    The flue shot is the only shot they gave me that I knew what it was. If I hadn't had a bad reaction I wouldn't have known that one either.
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    At my age it's not the best thing for the virus...

    At my age it's not the best thing for the virus to run it's course but what will be will be.
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    You have to take into account the inevitable. Did...

    You have to take into account the inevitable. Did worldwide action prevent the virus or slow it down. If the virus is going to run it's course then calculating the cost of life is meaningless. I hope...
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    If you dump condensate outside in cold weather...

    If you dump condensate outside in cold weather you do have to be concerned about freezing.
  33. Thread: Question

    by WAYNE3298
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    With 24 diffusers airflow per diffuser will...

    With 24 diffusers airflow per diffuser will probably be less than 100 CFM even with no duct problems. If the house cools properly there is no reason to worry about the airflow per grille. With that...
  34. Shutting down the economy in itself was stupid....

    Shutting down the economy in itself was stupid. Slowing down the virus enough for the medical community to keep up is one thing trying to prevent the inevitable is entirely another. The virus will...
  35. Thread: Biden

    by WAYNE3298
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    Biden is worse than an empty suit he's an empty...

    Biden is worse than an empty suit he's an empty head. The democrats know their chances of winning are slim but they don't want to look like complete fools in losing. It's not mean to admit Biden has...
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    What are the two test results on the graph posted...

    What are the two test results on the graph posted by BBeerme that determine the final relative humidity? What reason do we have to believe the data is correct?
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    It's interesting that the mall photos show that...

    It's interesting that the mall photos show that the color of the items influence how they have reacted to the high humidity.
    I'm surprised we haven't had any comments on that.
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    Since the curve is drawn from empirical data it...

    Since the curve is drawn from empirical data it should be considered as a general curve. Oddly enough although not likely there could be an anomaly that causes the 41 line to be crossed two times.
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    Not only do the amps add up the FCU'S require...

    Not only do the amps add up the FCU'S require scheduled maintenance like any other piece of equipment. It's cheaper to maintain one AHU than several or many FCU'S.
    JSLLC4Life the outside air CFM'S...
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    Your question is a good one. When FCU'S are used...

    Your question is a good one. When FCU'S are used in commercial buildings a make up air unit has to become part of the overall cost analysis. I have never seen an FCU job that provided the outside air...
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    jayguy the search for more efficient equipment is...

    jayguy the search for more efficient equipment is an ongoing thing for the reason you stated "competitive edge". Not all ideas work or may work under certain conditions but are a bad idea for the...
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    Every store I did TAB on that had national...

    Every store I did TAB on that had national account control systems were screwed up. The control guys tried to tell me on every job how much outside air to provide.
    I did one store that at zero...
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    The Army gave me the flue shot and it almost...

    The Army gave me the flue shot and it almost killed me. Because the doctor didn't classify it as an allergic reaction they insisted on giving it to me again the following year. I refused and they...
  44. Thread: Biden

    by WAYNE3298
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    I don't think anyone will be voting for Biden....

    I don't think anyone will be voting for Biden. Bite me is too far gone to run. The secret of how the dims are going to dump him is closely guarded but they have no choice. The irony is the corrupt...
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    The only units you can do a reasonable evaluation...

    The only units you can do a reasonable evaluation on with the given information is penthouses with usually 6 resi type (commercial) AHU'S. They save a lot of energy if properly designed and TAB is...
  46. What are you trying to accomplish Ploonas that...

    What are you trying to accomplish Ploonas that Google hasn't? You have an interesting idea no matter your goal. Tell us more.
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    You guys sure are sticking with it. Congrats ...

    You guys sure are sticking with it.

    Congrats

    :cheers:
  48. Replies
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    Nice work for a cheap bastard. I threw that back...

    Nice work for a cheap bastard. I threw that back at you because I enjoyed the ribbing you gave me on my post about the thermostat.
    Seriously you accomplished a lot with the return static. Good job.
  49. Thanks for that. I can't quit laughing but he is...

    Thanks for that. I can't quit laughing but he is a lot more right than he is wrong. The office of president that has made every president old before their time that I know of hasn't aged Trump a bit...
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    Thanks Techman!!! If you start a thread I will...

    Thanks Techman!!! If you start a thread I will read every word. Sounds like you had a first rate captain.
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