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  1. Thread: Hotel HVAC

    by FRE
    Replies
    52
    Views
    9,377

    This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise, commentary, or ask questions of the OP here.

    You can find the rules for posting and...
  2. Thread: Hotel HVAC

    by FRE
    Replies
    52
    Views
    9,377

    This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise, commentary, or ask questions of the OP here.

    You can find the rules for posting and...
  3. What I actually had in mind was increasing the...

    What I actually had in mind was increasing the duct size for perhaps the last 5 feet AND increasing the register size. I found an Internet site that has a huge variety of register designs and sizes....
  4. Replies
    27
    Views
    2,366

    True. I grew up in a house that had gravity...

    True.

    I grew up in a house that had gravity hot water heat. The house was built in 1930 and the same hot water furnace was in use until about 5 years ago. Thus, it was in use for about 75 years....
  5. Thanks. Just in case changing to a different...

    Thanks.

    Just in case changing to a different kind of grille / register would help to solve the problem, I'll probably try changing one to see if it makes a difference. Currently, even though it's...
  6. Thread: Naturalism

    by FRE
    Replies
    74
    Views
    4,178

    Let us not make the mistake of confusing natural...

    Let us not make the mistake of confusing natural and unnatural with good and bad. Surely stealing is natural, but that obviously does not mean that it is good. And, erotic behavior between two male...
  7. Replies
    27
    Views
    2,366

    Those thermostates with mercury tubes lasted a...

    Those thermostates with mercury tubes lasted a long time.
  8. Last week, I moved into my new custom-built home,...

    Last week, I moved into my new custom-built home, which was completed about 5 months behind schedule. I am not happy with the air conditioning and would be very happy to have suggestions on how to...
  9. I can see how an olde inefficient AC unit would...

    I can see how an olde inefficient AC unit would have problems if the HRC cooled the gas too much. However, higher efficiency units run at a lower temperature and pressure for the high side, so the...
  10. I realize that the gas goes through the HRC heat...

    I realize that the gas goes through the HRC heat exchanger before going through the condenser. However, one of the ways to improve the efficiency of a refrigeration system is to use a large...
  11. In theory, that could be done. However, the...

    In theory, that could be done. However, the diagrams of the installations all show the HRU mounted inside of the house. But, with a package system on the roof over the 2nd floor, it would be...
  12. The Turboproducts heat recovery system seems to...

    The Turboproducts heat recovery system seems to be designed for a split AC system having the condensing unit outside and both the evaporator and water heater inside. Probably on my house, there will...
  13. Based on what you have stated, perhaps I should...

    Based on what you have stated, perhaps I should consider heat recovery for the custom built house on which I expect construction to start shortly. I assume that there is convenient provision to...
  14. The technology DOES exist!!

    The technology for reliable inverters DOES exist. What may not exist is the quality.

    In some places, direct current high tension lines are used because they are more efficient and can be burried....
  15. I don't know how well heat recovery units would...

    I don't know how well heat recovery units would work on air conditioners if they were not supplemented with a conventional water heater.

    Suppose that you had a 40 gallon insulated tank through...
  16. Replies
    9
    Views
    11,647

    Misting the condenser

    I too would be afraid to use a mister on a condensing unit. There almost certainly would be a problem with mineral build up, and I do not believe that Lime-Away would remove the minerals adequately....
  17. Replies
    34
    Views
    23,922

    Actually, I am a home owner and my degree is in...

    Actually, I am a home owner and my degree is in business administration. So, if I can understand various types of electric motors, surely others can also.
  18. Thread: A/C for new house

    by FRE
    Replies
    41
    Views
    4,811

    Regardless of what they say, I think that a...

    Regardless of what they say, I think that a chilled ceiling system would work well for residences.

    Condensation could occur in commerical applications just as easily as in residences. As with...
  19. Thread: A/C for new house

    by FRE
    Replies
    41
    Views
    4,811

    Probably I'll end up with 2 separate A/C units: ...

    Probably I'll end up with 2 separate A/C units: One for upstairs, and one for downstairs. That will circumvent the problems of zoning with one unit.

    From the posts here, it looks as though the...
  20. Replies
    9
    Views
    964

    Crawl spaces: To ventilate or not to ventilate, that is the question.

    I'm in the planning stages for a new house. It is not definite whether it will be built on a slab or whether there will be crawl space. By far the majority of new houses here in NM are built on...
  21. Thread: A/C for new house

    by FRE
    Replies
    41
    Views
    4,811

    Last week I talked to a general contractor about...

    Last week I talked to a general contractor about the new house I want built. I told him that I wanted the A/C system to be as quiet as possible and that that would require a low air velocity in the...
  22. Replies
    34
    Views
    23,922

    My knowledge of what is available in furnaces and...

    My knowledge of what is available in furnaces and air handlers is limited. However, I do know quite a bit about motors, so perhaps I can contribute something in that area.

    PSC (permanent split...
  23. Thread: A/C for new house

    by FRE
    Replies
    41
    Views
    4,811

    That would be difficult to do. I have two...

    That would be difficult to do.

    I have two Ultracool coolers on my present house and even in the hottest weather, the house has never been over 78F. What you mean by 2-stage, I'm not quite sure. ...
  24. Thread: A/C for new house

    by FRE
    Replies
    41
    Views
    4,811

    Actually, that is somewhat misleading. We are...

    Actually, that is somewhat misleading. We are paying more for energy than most people realize. Perhaps I shouldn't say this here (it's somewhat political), but part of the cost is in the military...
  25. Thread: A/C for new house

    by FRE
    Replies
    41
    Views
    4,811

    My 9 years of experience in Fiji with a Daikin...

    My 9 years of experience in Fiji with a Daikin 12,000 BTU split unit was mixed.

    The unit was far better than a non-split through-the-wall unit. Having the evaporator hanging on the wall was not a...
  26. Thread: A/C for new house

    by FRE
    Replies
    41
    Views
    4,811

    I'll do more research work on variable speed...

    I'll do more research work on variable speed compressor systems and see whether they are readily available here. They make a lot of sense. I don't understand why the 2-compressor condensing units...
  27. Thread: A/C for new house

    by FRE
    Replies
    41
    Views
    4,811

    I know about 1 room split systems. I lived in...

    I know about 1 room split systems. I lived in Fiji for 10 years, and that's the most common type of system there, in Australia, New Zealand, and many other countries, even though they are not well...
  28. Thread: A/C for new house

    by FRE
    Replies
    41
    Views
    4,811

    A/C for new house

    I am planning to have a custom-built house constructed here in Albuquerque. It will be approximately 2300 square feet, but about half of the house will be used only ocassionally. Therefore,...
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