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Type: Posts; User: marauderx

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    Welcome from another in Maryland.

    Welcome from another in Maryland.
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    That would be me. :) Let me ask more...

    That would be me. :)

    Let me ask more specifically - what was your role in the project? Did you install the geothermal loops, size the piping, pour grout, or size the system? How big? Where? ...
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    Geothermal costs

    Just for the geothermal loop, we are trying to get an idea of the costs for vertical wells.

    Are you looking at $/linear foot, per ton of cooling, or number of wells & depth per well?

    We have a...
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    1. They can be measured in SEER. A lot also...

    1. They can be measured in SEER. A lot also depends on your location, as ground temperatures vary. A typical geothermal system will use a heat pump, so your heat pump equipment performance also...
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    What are your in & out temperatures for the...

    What are your in & out temperatures for the system? The heat pumps may be unable to extract enough heat based on your needs & the temperatures you are facing.

    Also the Geoexchange forums might...
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    Geothermal Commercial experience?

    Who has worked on a geothermal project for a commercial site? What did you do?
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    Have you considered other options besides a...

    Have you considered other options besides a chiller? A small chiller will cost you... with or without the 'fancy' controls. You might want to look at a heat pump instead, or look to irregular...
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    This may be misleading. The Coefficient of...

    This may be misleading. The Coefficient of Performance (COP) = 1, aka 100%. However, the COP for nearly all other systems will be higher, meaning that they will perform better. The electric heat...
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    PPD: Percentage of People Dissatisfied. You will...

    PPD: Percentage of People Dissatisfied. You will never reach 0. You cannot win.

    Or you could carry around a pacifier on a necklace. When people ask you what it's for, tell them it's for all the...
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    Trane has an auto-duct program, but I forget the...

    Trane has an auto-duct program, but I forget the name of it. I think it will size first, then you can tell it some parameter changes and it will recalc pressure, CFM, etc. for you. The program...
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    Actually in our industry, turbulent is good. The...

    Actually in our industry, turbulent is good. The more the fluid in a pipe or the air going over it is sloshing around, the more heat is transferred. Plate & frame heat exchangers are made to be...
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    Changing over your fan coil systems is easier...

    Changing over your fan coil systems is easier said than done. I have seen this once before on an old building in Richmond. They simply hooked up the boiler to the same chilled water loop and...
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    Turn on your faucet a little (one without a air...

    Turn on your faucet a little (one without a air diffuser/strainer). You will reach a point when the water will come out in a clear, straight, predictable line straight down. That is laminar flow.
    ...
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    Efficiency is also a reason. And when there is...

    Efficiency is also a reason.
    And when there is an ammonia leak, people tend to leave before there is a problem.
  15. In November we went with the HP ipaq, which has a...

    In November we went with the HP ipaq, which has a blackberry competitor, as it was cheaper. It has a nice GPS map that includes traffic too. The nice thing is everything the blackberry advertises...
  16. If you want to spend money to save money, how...

    If you want to spend money to save money, how about putting in an enthalpy wheel? It could exchange your sensible & latent loads before hitting the rest of your system, lowering your cooling &...
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    What I've found is that about half the time I had...

    What I've found is that about half the time I had no idea what the guy before me was thinking. I just didn't understand something he'd done right away, and it would get me all worked up. Now I sit...
  18. Thread: SPIRAL DUCT

    by marauderx
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    Also look at your temperature differences. Some...

    Also look at your temperature differences. Some engineers look to maintain a ~60F supply air so there is zero chance of condensation. The higher CFM also helps with air changes per hour to satisfy...
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    I've always like the AO Smith. I've seen some...

    I've always like the AO Smith. I've seen some old and some new installed, and it seems they can take hits of cold water and not flinch. To me they are the middle of the road manufacturer.
    See if...
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    Ever heard of Borf?

    Welcome to my neighborhood:
    http://en.wikipedia.org/wiki/Borf
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    Since I'm in HVAC, if it doesn't suck or blow I'm...

    Since I'm in HVAC, if it doesn't suck or blow I'm not interested. That's a fast blow.
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    ...breasts...mmmmmmmmmmmmmmmmmmm

    ...breasts...mmmmmmmmmmmmmmmmmmm
  23. It is an interesting idea. The problem comes...

    It is an interesting idea. The problem comes from trying to extract the heat out and still have a cool server room. You could use a heat pump in both the server room and the rest of the building,...
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    Ya gotta be able to live with loosing the money...

    Ya gotta be able to live with loosing the money ya put on the table.

    We have a poker player in our neighborhood that goes on the tours & such every year. He's won a few major tournaments, and he...
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    It sounds like one of the usual ad-hoc server...

    It sounds like one of the usual ad-hoc server room expansions. 12 pounds of crap stuffed in a 10 pound bag.

    Liebert and Stultz ATS are your two best options. Stultz will likely be cheaper, but...
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