Little Ventilation Project

This project looks at ventilation systems that can improve indoor air quality in small homes while limiting energy use. While the average home in much of rural Alaska is smaller than 1,500 square feet, current ventilation systems are not always well-suited for thise size homes. Because they sometimes deliver too much cold air, use excess energy, or over‐dry a house, they can get shut off entirely, creating air quality issues inside. For a situation where conventional ventilation may not be the best option, CCHRC is looking at alternative systems. For example, distributed fans, small ventilators, and other new technologies. The house pictured at left has a room ventilator, a simple, unducted system that moves air through vents in the wall. This study will find how much air they actually move and whether they freeze closed in the winter. The systems are being tested at small homes in Fairbanks with high humidity levels to look at installation cost, energy savings, and indoor air quality.

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Projects

Slab-on-Grade Foundation Best Practices An evaluation of best practices for insulating under slab-on-grade foundations
Bath Fan Installation Best Practices Create standards for installing bath fans based on an evaluation of five Panasonic WhisperGreen units.
Garage Wall Analysis CCHRC is looking at attached garages to see if they adequately prevent pollutants from entering the house.
Vacuum Insulated Panel Test CCHRC is testing how Vacuum Insulated Panels can be assembled to achieve extremely high R-values in cold climate homes.
BrHEAThe with Air Source Heat Pump CCHRC is testing how an air source heat pump can be integrated into a heating and ventilation system in high efficiency homes.