Publisher's Synopsis
Excerpt from Zip, the Zip-Code Insulation Program, Version 2. 0: Economic Insulation Levels for New and Existing Houses by Three-Digit Zip Code; Users Guide and Reference Manual
Zip, the Zip Code Insulation Program, determines economic levels of insulation for new and existing houses in any location in the United States, given the first three digits of its Zip code. Economic insulation levels are determined for attics, cathedral ceilings, exterior walls, floors over unheated areas, slab floors, basement and crawlspace walls, and ducts in unconditioned spaces.
In addition, zip will determine if a water heater insulation jacket is a cost effective investment, based on information supplied by the user.
The economic levels computed by zip reflect the type and approximate energy efficiency of the heating and cooling systems specified by the user, as well as local energy prices and current installed insulation costs. Local climate data for the three-digit Zip code are retrieved from.the zip disk. Default energy and insulation price data are also retrieved from.the zip disk, but it is recommended that users override these latter values with estimates of local energy and insulation prices if available.
Zip is a public domain computer program developed by the National Institute of Standards and Technology (nist, formerly the National Bureau of Standards) under the sponsorship of the United States Department of Energy (doe)1. As zip is in the public domain, it may be freely copied and distributed. However it is requested that attribution be given to the National Institute of Standards and Technology.
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