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Water-Saving Features
Dual-flush toilets, low-flow showerheads and faucets, plus efficient appliances make the most of fresh water.


Simple Ventilation
The home has no air conditioner, relying instead on a customized central fan, good siting, louvered windows and timed bath fans.


Low-VOC Interior
The builder gave careful attention to keeping toxins out of indoor areas, with low-VOC paints and adhesives and Green Label Plus carpeting (in areas with carpet).


Solar Assets
Each home in the pr incorporates ample area for both PV pan solar hot water. Car and garages are prew electric vehicles.


Indoor-Outdoor Living
Along with the covered lanai space—intended for outdoor entertaining—the homes have semi-enclosed courtyards, with windows and doors that catch the prevailing winds.


Aids to Independence
A compost area, small vegetable garden and a clothesline give owners the ability to reduce some of their dependency on remote energy and food suppliers.


 


But the team also improved on the old technology.


“We hooked up with a company called Airscape,” notes Keller, “and had them do some modifications to the central fan. Historically, these can be extremely noisy. First, we had them decouple the motor from the vent in the ceiling. Then they attached a flexible duct and moved the assembly deeper into the attic.”


The customized unit has been named Kohilo, Hawaiian for “gentle breeze.”


Along with that quiet, low-power ventilation, each home is carefully sited to catch the prevailing winds, with ample windows protected by deep overhangs. On elevations without overhangs, the design specified rigid awnings.


Eco-Affordable
Keller notes that this project competed with about eight other submissions. But what put it on top was clearly it’s eco-friendly features.


“We really pushed the idea that these homes would be LEED silver certified,” he says, “and that excited the people at the Dept. of Hawaiian Homelands. It’s a concept that’s very much part of the native culture: taking care of and living off the land.”


www.greenbuildermag.com 12.2011 17

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