Sitka’s public library and centennial building will both be undergoing major renovations over the next couple of years, each growing in size by roughly one-half. But the energy costs to run both buildings will stay the same, thanks to a suite of new technologies that keep heat indoors. The consultant who’s designing the systems says engineers now consider conservation to be a major energy resource in new construction.
Jon Heller, an engineer with Ecotope Inc. in Seattle, is helping the city design energy-efficient mechanical systems in the remodeled Kettleson Library and Harrigan Centennial Hall. With insulation, better lighting, heat recovery ventilation, and heat pumps, energy usage in the buildings will be about 2/3 less per square foot.