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'Deep-energy retrofits' take root in homes

The talk at an annual building conference in Boston is about how to reduce energy use in houses by more than 50 percent. Early pilot tests show it can be done, but with steep costs.

By March 12, 2010


To 'green' the world's buildings, think retrofits

Making existing buildings more energy-efficient is the best way to cut emissions. But the energy retrofit industry lacks products, skills, and standard performance measurements.

By March 16, 2009