The computer model SIN-BIP is built as a combined model that can calculate energy consumption, price and environmental load for a building to get an energy efficient building. The program has a database with information of price, thermal conductivity, moisture conductivity, energy content and CO2-emission for materials. On the basis of this information can the program calculate for each construction, the U-value, the moisture resistance (and if there is condensation), the price, the energy used for producing the material and the environmental load from CO2-emission at the production.
New research shows that replacing low efficiency window air conditioners with high-efficiency units can produce measurable savings and can be cost-effective in homes with high air conditioning electricity consumption.
Approximately 35% of US single-family houses contain forced-air heating and cooling ducts that pass through unconditioned spaces. These duct systems have been shown to have a potentially large. Influence on energy use and ventilation rates. To investigate the parameters affecting the performance of these systems, a 31-house field study of distribution-system performance based on diagnostic measurements was performed in California, and an integrated airflow and thermal simulation tool was developed.
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