Insulating Concrete Forms: Comparative Thermal Performance
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December 1999, 26 pages
Concrete Forms: Comparative Thermal Performance contains results on energy and thermal comfort performance, as well as computer modeling of energy use. Three homes were built and monitored. One home has an ICF plank system, one has an ICF block system, and one is of conventional 2X4 lumber construction. The homes have identical floor plans. They are located side-by-side on the same street in Chestertown, Maryland.
All three homes, which were unoccupied, were set up for long-term energy monitoring. Two of the homes were also monitored for thermal comfort analysis per ASHRAE Standard 55-1992. Weather data from the site were used in the energy use computer modeling program, Building Loads Analysis and System Thermodynamics (BLAST), to compare predicted energy performance of the homes to actual energy use.
Key findings include the following:
While no dramatic thermal comfort differences were apparent between the ICF and the wood-frame homes, several thermal comfort measures showed slight but significant better performance for the ICF homes.
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Content updated on 12/10/2003