Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations waross on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: kraiva
  • Content: Threads
  • Order by date
  1. kraiva

    See-Thru fireplaces heat output

    I am doing a design on a house with a 38MBH input Twilight See-thru fireplace to the outside (http://www.fireplaces.com/downloads/brochures/HNG_TWILIGHTII_BRO.PDF). My question is how much of that load should I figure is going through to the inside and how much is going to the outside? Will...
  2. kraiva

    Make-up Air unit diversity: High rise apartment

    I am trying to size a Make-up air unit for a high rise residential apartment. What diversity would you recommend for the usage? I have: 166 Bathrooms @100cfm 82 Kitchens @450cfm max, 300cfm med., 150cfm min. Thanks in advance.
  3. kraiva

    HvacCad

    Does anybody have an opinion on the HvacCad line of software? http://www.mc4software.com/public/prodotti/hvaccad/center.php
  4. kraiva

    Fiber reinforced plastic duct

    I am looking for some direction as to manufacturers of either FRP (fibre reinforced plastic duct) or a plastic duct with a flame spread less than 25. I am working on a project with a Hydrofluoric/Nitric acid hoods that require these ducts. Kind regards.
  5. kraiva

    Magic-pak noise level

    We are designing an apartment high-rise with magic-paks for HVAC. The architect would like to see the magic-pak in a closet in the bedroom but I am not sure of the noise levels. Does anybody have any experience with this?
  6. kraiva

    Exhaust Fans: Volume(cfm)-NC(sones) relationship

    This is a newbie question, I am an EIT. I am specifying Penn Zephyr bathroom fans on a job I am designing. If the performance data says 171 cfm @ 2.0 Sones and I specify a speed controller withing the fan casing to throttle it down to, say, 155cfm, what should my Sones value be? In particular...

Part and Inventory Search