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A major complicating factor in designing the new prototypes was foundation design, which must accommodate a high degree of ground variability and moisture content of the surrounding soil. Construction of four more houses are planned to be built in summer of 2012. The new homes will be placed on adjustable elevated foundations to allow for leveling as the ground under the homes settles and shifts. To address the original mold and mildew problems, the prototype house incorporates a heat recovery system to ensure maximum air ventilation and efficiency. To accommodate the short summer construction season, the entire house was built in seven weeks, by a six-person crew without heavy machinery. In the first year of operation, these homes consumed 80 to 90 percent less heating fuel in the first year than other houses in the community, a total of just 171 gallons. Because of the severe health risks, as well as energy efficiency factors, involved with the old homes, making the new homes affordable was central to project planning. Initial estimates for replacing all 55 homes indicated that the project would cost $14 million, roughly $200,000 for each home. In response to the higher costs, the Native Village of Kwinhagak (NVK) implemented the “ENEKAQA” Housing Program to make the new homes as affordable as possible. The program combines various grant funds and a “Build-to-Own” (BTO) program to reduce the costs as much as possible. The principle cost of each new home is estimated to be $200,000. To offset this cost, the NVK offers to buy the old home for $30,000, making the adjusted total $170,000 and in addition, offers “sweat equity” through the Build-to-Own program. Homeowners are offered the chance to help build their home and have their working hours deducted from the cost of the home, further reducing its cost. The more family members involved with building, the more money is deducted from the cost. Energy efficiency and CCHRC housing projects fast facts: Housing designs based on traditional housing styles Anaktuvuk Pass house improved heating efficiency by up to 80 percent ( 200 gallons of heating fuel compared to 880 gallons per year for other homes), Quinhagak improved efficiency by 90 percent Anaktuvuk Pass house built for about one-third the cost of other homes in the area due to using local labor and efficient material use (~$230,000 compared to $750,000) Complications: effective ventilation while maintaining high efficiency (Anaktuvuk), and foundation designs for building on the tundra (Quinhagak) Sustainable Energy Opportunities: Best Practices for Alaska Tribes Page 8PDF Image | Sustainable Energy Opportunities: Best Practices for Alaska Tribes
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