But the energy consumed is much less than the energy delivered into the ductwork.

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Bridge operator's Forth Estuary Transport Authority (Feta) maintenance workers have installed several miles of ductwork to accommodate electrical wiring.

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Many homeowners will have to rearrange ductwork and interior walls to fit the high-SEER units, which can be twice as large as the ones they replace.

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The 36-year-old San Francisco native meets clients in her downtown office, with its high ceilings and exposed ductwork, first asking them broad questions about their tastes abstract or figurative? color or muted?

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With a few mouse clicks, the co-worker sent a signal over the Internet that remotely shut off the power to a single fan inside a 10-foot section of ductwork directly above the microphone.

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"I like buildings under construction better than when they are finished because there's a kind of immediacy, a feeling of process, and it's accessible, " he continues, glancing up at his studio's exposed ductwork and hanging insulation.

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