ITEMS

modern scholarly publishers in the finest tradition

	Search

ICHMT DIGITAL LIBRARY ONLINE

ISSN 961-91393-0-5

Individual price:

$246.00 (Must be sent to your home address)

You can order single issue or individual article. To purchase a single issue or an individual article as well as to view tables of contents and abstracts click on issue number.

Institutional price:

$518.00

Volumes per year:

various

For Online Access

Year 2004

• 3Thermal Sciences 2004
Proceedings of The ASME - ZSIS International Thermal Science Seminar II, Bled, Slovenia, June 13-16, 2004

1032 pages

Volume price - $246.00

The Long Term Thermal Behavior of Housing Constructed According to Improved Thermal Standards

Ashley Emery
Department of Mechanical Engineering, University of Washington, USA

C. J. Kippenhan
Department of Mechanical Engineering University of Washington, Seattle, WA, USA

ABSTRACT

The space heating energy needed during the winter heating season in Seattle Washington, USA, was monitored over a 15 year period. Two of the single family residence houses were constructed to building code standards in force at the time of construction and two to standards calling for envelopes with improved thermal resistance. The data suggest that estimates of energy savings based upon envelope thermal resistance represent upper limits. Personal behavior of the occupants generally yields smaller improvements. For these houses the ratio of envelope resistance was approximately 1.5, yielding long term consumption ratios of approximately 1.4. Space heating is well characterized by the daily average difference between house average space temperature and outside air temperature. Characterizing in terms of indoor temperature, outdoor air temperature, wind speed, and insolation gives a slightly better representation but requires more information than is usually available. No correlation could be established when aggressive conservation made use of thermostat setback at every opportunity.