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Type: Posts; User: flyrfan

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  1. Replies
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    Go on to the ASHRAE website. There are tons of...

    Go on to the ASHRAE website. There are tons of web-based courses, including Data Center Design.
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    http://www.intel.com/it/pdf/Reducing_Data_Center_C...

    http://www.intel.com/it/pdf/Reducing_Data_Center_Cost_with_an_Air_Economizer.pdf

    Google "air conditioning economizers"

    There are downsides to using them. You need to consult with a reputable...
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    Thanks A/C G's C. My grill is gas. No basket...

    Thanks A/C G's C. My grill is gas. No basket with the rotissirie, just the large skewers that hold the meat.

    I am dieing to try this thing out, but I wanted to get some ideas first. I guess...
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    Rotisseri Ideas

    Guys...

    I bought a new grill last year that came w/ a rotisseri. I have no idea what I can cook on it so I am looking for some good ideas/recipes and secrets to using it.

    Can I cook a roast...
  5. F/S 1 Ton Thermal Zone Ductless Split System

    I bought this system to A/C a 2nd Floor Office at our shop. Also included is a 15 ft pre-insulated lineset, & disconnect. The equipment was taken out of the original packaging for examination. It...
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    SOLD!

    SOLD!
  7. Replies
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    474

    Contractor's Guide to Quickbooks 2008

    Purchased last November, this book is in great condition...never used. Cost is $30 - shipped to your door.

    From a recent book review....Walks anyone through Quickbooks Pro's detailed setup...
  8. With a 40K SF building, ASHRAE 90.1 comes into...

    With a 40K SF building, ASHRAE 90.1 comes into play if you are under the IMC. Since you are in very different climate zones, you should see if each of your designs would comply.

    Is this a...
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    LOL at the metal tape liquid line support! :D ...

    LOL at the metal tape liquid line support! :D

    IMO, the minimum would have been wire ties.

    How come some units have filter driers and some don't?

    Like others have said....you left it in...
  10. http://www.commercial.carrier.com/commercial/hvac/...

    http://www.commercial.carrier.com/commercial/hvac/product_search/0,,CLI1_DIV12_ETI438_MID157,00.html
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    Use a reversing relay on the control signal going...

    Use a reversing relay on the control signal going to the vav box controller, or put a RA t-stat in.

    You didn't mention if this box has heat. That may complicate things a little.

    You may want...
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    SOLD!

    SOLD!
  13. Replies
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    SOLD!

    SOLD!
  14. Replies
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    SOLD!

    SOLD!
  15. Replies
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    If you have this type of gage, there are crimps...

    If you have this type of gage, there are crimps that hold the plastic terminal cap to the sensor. The crimps did not look like they were fully bent over so the plastic cap easily broke off after...
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    Due to the passing of my business partner, I need...

    Due to the passing of my business partner, I need to liquidate alot of my assets to settle with his estate. I have several tools up for auction on ebay, as well on this site.
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    Yellow Jacket 69075 Vacuum Gauge

    I am selling a Yellow Jacket 69075 Vacuum Gauge. The gauge is a little over a year old and has had very little use. The sensing head needs to be replaced because the one that came with it was...
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    I've got the 2001 edition (inch-pounds) that I...

    I've got the 2001 edition (inch-pounds) that I sell for $85 shipped to your door. I have other volumes also incl. Refrigeration, Systems & Equipemnt, & HVAC Applications if you're interested.
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    Robinair 8 CFM Vacuum Pump

    I am selling a Robinair M# 15800 8 CFM vacuum pump. This pump was bought in Jan ’08 and has about 20 hrs of run time on it and is in excellent condition. I am selling it for $200 + shipping.
    You...
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    Fluke 922 Airflow Measuring Kit

    I have a Fluke 922 airflow measuring kit for sale. This kit was used once and is in excellent condition. The kit includes:
    • Fluke 922 Airflow Meter
    • 12 inch pitot tube
    • Two Rubber Hoses...
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    Sorry for taking so long replying. I am in the...

    Sorry for taking so long replying. I am in the process of removing the lettering, hence no pic yet. The van was my partners truck, who passed away in January. I can tell you that the truck is in...
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    2006 Ford E250 4 Sale

    I have a 2006 Ford E250 Cargo Van for sale. There is 41K miles on the 5.4l V-8. This truck is in great mechanical condition and the body has no rust or dings. It has an AM/FM radio, A/C, a step-up...
  23. Thread: HVAC using BIM

    by flyrfan
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    749

    Building Information Modeling. Basically 3d...

    Building Information Modeling. Basically 3d modeling of a building done by designers and shared with contractors to minimize field conflicts between various trades. ...
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    Eastern MA HVAC Tech Wanted

    Found this employment ad on an ASHRAE site and figured I post it here for anyone interested. I hope I am legal doing this.....

    Fast-growing service and install company seeks experienced HVAC...
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    You can go to the Trane website & download the...

    You can go to the Trane website & download the O&M manual for your particular model.
  26. Replies
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    You can calc cooling capacity either using the...

    You can calc cooling capacity either using the water or air side flow and temperatures. Water is method is the simplest:

    GPM*500*H20 Delta T = BTU/H Note: The 500 constant assumes straight...
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    Bowlegged:D

    Bowlegged:D
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    Yes. Valve authority is the basis for control...

    Yes. Valve authority is the basis for control valve selection. It is especially critical in applications that require tight temperature control tolerances.
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    I assume that you mean round ducts when you say...

    I assume that you mean round ducts when you say pipes. Anyway, ducts of the rectangular type can be custom made to any dimension. Ducts that are mass produced and are bought thru a contractor's...
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    Damn...I am up sheetz creek w/o a boat!:eek:

    Damn...I am up sheetz creek w/o a boat!:eek:
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    Thanks everyone for their thoughts & prayers. ...

    Thanks everyone for their thoughts & prayers.

    I am not sure what is going to happen w/ the business. It ws just the two of us. He was the field end I was the office end. We each were both tops...
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    A Truely Sad Day

    Yesterday, my friend of almost 20 yrs and my business partner of 1 yr, past away from an apparent heart attack. He was 44.

    I am devastated. Professionally, he was one of the most skilled HVAC...
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    Gotcha...my bad!!! I like Lochinvar for Domestic...

    Gotcha...my bad!!! I like Lochinvar for Domestic HW systems!
  34. Replies
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    Why are you going this route? I am doing a...

    Why are you going this route?

    I am doing a large apartment complex and they are doing just the opposite. They hated running their heating hot water boilers during the summer just to take care of...
  35. Thread: SPIRAL DUCT

    by flyrfan
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    3,769

    IAQ 101:D

    IAQ 101:D
  36. You could also look for a tech support position...

    You could also look for a tech support position for an HVAC Equipment manufactureer. Update you resume and start sending it out. You'll also have a better chance if you're open to relocation.
    ...
  37. The 2/3 rd rule of thumb will work. However, the...

    The 2/3 rd rule of thumb will work. However, the best, from a performance standpoint, is to locate it at the hydraulically farthest point (ie. the critical terminal). This will give you the best...
  38. Replies
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    I did a search for something HVAC related and...

    I did a search for something HVAC related and here I am. Like some others I lurked for a year or so.




    Ah yes...the good old "shrinkage factor". Use it all the time...even in the summer:eek:
  39. Replies
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    Go to Ruskin's website & you'll see installation...

    Go to Ruskin's website & you'll see installation details for out of plain applications that are UL approved.
  40. Thread: Villa HVAC

    by flyrfan
    Replies
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    686

    For that size home, I would look at geothermal...

    For that size home, I would look at geothermal systems or a two-pipe hydronic system. Find yourself a good HVAC Engineer to work with and get his opinions. Then come back here & bounce it off us to...
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    I remember there was a guy whose last name was...

    I remember there was a guy whose last name was Deusch....he worked in the plumbing shop with me at a NAVFAC. An yes, he was!
  42. Thread: SPIRAL DUCT

    by flyrfan
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    3,769

    If it's in a conditioned area of the building,...

    If it's in a conditioned area of the building, why insulate it?!
  43. Replies
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    You can use a closed cell elastomeric sheet that...

    You can use a closed cell elastomeric sheet that is 1/2" thick. It's pricy to buy & install, but will work nice for that application. ...
  44. Replies
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    You can not determine airflow based on a single...

    You can not determine airflow based on a single duct static pressure reading.
    You need to take a velocity traverse of your 5" duct with a digital manometer, and then you can calculate the CFM.
    ...
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    I almost have no other choice! It's really the...

    I almost have no other choice! It's really the only free time I have.

    At that time of the day I don't wait for any equipment, and there are no hotties at that hour walking around and distracting...
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    Good point. I have installed tube heaters in...

    Good point. I have installed tube heaters in room w/ 9' drop ceilings and placed the unit above the ceiling tiles, with the reflectors directing the radiant energy through some aluminum eggcreates. ...
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    After workiing out religously for 10 yrs, I...

    After workiing out religously for 10 yrs, I finally got back into it almost 3 yrs ago. I am at the gym by 5:00 AM & out the door at 6:45 AM...ready to kick the world's A$$.
  48. Theorectically the concept is very attractive and...

    Theorectically the concept is very attractive and environmentally friendly. Practically, it could be a complex system, depending on what type of HVAC systems currently serve the building you want to...
  49. Replies
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    I would definitely consider low intensity...

    I would definitely consider low intensity infrared heating for your application. It meets all the criteria you require, plus you can use nat gas or propane as a heat source to save operating costs...
  50. If you're really determined to tuck the duct in...

    If you're really determined to tuck the duct in the wall there is solution...pricy though.

    You could head off the two joists with (2) 2x10 and double up the joists that are bearing the headered...
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