TY - GEN AU - Emmerich, Steven J AU - McDowell, Tim AU - Anis, Wagdy C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2005-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.7238 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2005 TI - Investigation of the impact of commercial building envelope airtightness on HVAC energy use: ER -