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comcheck

  1. S

    Alteration adding PTAC Louvers on envelope in Comcheck

    I have an alteration project that needs to add louver openings on existing building for new PTAC's in some dwelling units. As per code, if the mechanical penetration area (PTAC Louver) is more than 1% of opaque above grade wall, it needs to be entered as a separate wall component with U-0.5 in...
  2. N

    Comcheck in TX

    Hi Folks, I have no experience with Comcheck, and I'm newly working in TX. I've always gone the prescriptive route, look up my R-values in the ASHRAE and meet them. So, why then would I go through the tedious mess of comcheck if I can avoid it? Is there any real benefit? Am I missing some...
  3. P

    Continuous wall insulation always required in climate zone 6?

    I was convinced for at least residential and likely commercial wall construction continuous insulation was required by code in climate zone 6. It is if you use the prescriptive approach. However, I just ran comcheck on a building and left the continuous insulation value at zero and was able to...
  4. R

    Older Version on ComCheck

    Hello, My company is restarting a project that was originally designed under the 2014 NYC Energy Code. We are filing a PAA. We will need to redo the ComCheck report for this project. The newest version of ComCheck does not have the 2014 Version on the NYC Energy Code. Where can I download...
  5. R

    Comcheck Error

    Good morning, I was trying to get comcheck compliance for a multifamily/multi-use project in NYC. I first tried to with NYC 2016 energy code and the compliance was okay, but changed it to ASHRAE 90.1 and I get the following error, "The selected Energy Code Requires compliance to be determined...
  6. K

    COMcheck issue-Building Envelope vs Lighting

    Working with the 2015 IECC (3rd printing). I am trying to run the COMcheck on a metal building (apx 9100 SF total). We have 1658 SF in offices, etc with 8' ceilings. That is the Thermal Building Envelope (conditioned space). If that envelope is the only one entered, the Envelope works out fine...
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