Forum quick links
Crawlspace and Attic Classification
NC-2009 EAp2:Minimum Energy Performanceposted by Joseph Chappell on
I am working on an existing building renovation where there is a significant amount of building floor area that is crawlspace and attic area.
Monitoring requirements - Naturally ventilated residential units
CS-v4 EQp1:Minimum indoor air quality performanceposted by Mario S. on
We are working on a residential building where split AC units are provided in every room for each unit with no mechanical ventilation.
LEEDv4 Homes - Parking Structure
Homes-v4 MPR2:Must use reasonable LEED boundariesposted by Sara Greenwood on
It does not appear that parking structures are required to be included in the LEED-H boundary, however if the structure is being built to service a student housing building and energy modeling incl
Purchased energy rate
CS-v4 EAp2:Minimum energy performanceposted by Shenhao Li on
Hi all, We have a LEED v4 CS project which use purchased chilled water and purchased heat.
VRV in Table 1.4
CS-2009 EAp2:Minimum Energy Performanceposted by Maya Karkour on
Hello, I am filling out the Table 1.4 for an office building with mutiple tenants, and each tenant has a separate VRV to serve their space.
Previously developed - however 40 years ago
CS-2009 SSc2:Development Density and Community Connectivityposted by Samuel Sura on
Hi, We are trying to determine if a site that has historically been developed, however all buildings have been removed approx. 40 years ago can be considered previously developed.
Greenfield or previously developed?
NC-2009 SSc5.1:Site Development—Protect or Restore Habitatposted by Ilan Yahav on
I'm wondering if a project I'm working on, situated near the coast in Israel, is considers a greenfield or developed area.
Required to use facility weighted average?
Pilot-Credits MRpc87:Verified Construction & Demolition Recycling Ratesposted by Eileen Gohr on
"Recycling rates applied to a project's waste generation must be the weighted average for the facility over the time in which the project sent materials to the facility." Does this mean that proje
Water Heater efficiency per table 7.8 of ASHRAE 90.1-2007
NC-2009 EAp2:Minimum Energy Performanceposted by Billy Condor on
Hello, As required by 7.4.2 Equipment Efficiency of ASHRAE 90.1-2007, for a water heater less than 12 kW and more that 20 gal, the required performance is EF=0.97-0.00132*V. My question is: is ther
Cooling Towers at Central Plant
NC-v4 WEp2:Indoor water use reductionposted by Risto Beatty on
If cooling towers are located offsite at a central utility plant, does the project need to comply with the cooling tower requirements of this prerequisite?