A clean green office

I outfitted my consulting firm with the latest tools to conserve energy and generate clean power.

Double-paned windows
Double-paned windows
Marvin
marvin.com
Prices vary

Running an energy-efficient office isn't just great for the environment. It's helping my sales grow 30 percent a year. As president of the Stella Group (thestellagroupltd.com), a five-person clean-energy consulting firm, I guide big companies and government clients such as the Department of Defense and the state of Mississippi through the maze of available green energy technologies and arrange financing when they make purchases. I designed my 880-square-foot, two-story office building in Arlington, Va., to illustrate how the latest green products work. If you want clients to use new technologies, it's smart to use them yourself.

I'm proud of how much energy we conserve. The building's double-paned Marvin windows (custom order at marvin.com) face southwest for maximum sun exposure, and the space between the panes is filled with argon, an inert gas that acts as insulation. In summer the temperature-sensitive glass screens light rays that give off heat.

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Market indexes are shown in real time, except for the DJIA, which is delayed by two minutes. All times are ET. Disclaimer LIBOR Warning: Neither BBA Enterprises Limited, nor the BBA LIBOR Contributor Banks, nor Reuters, can be held liable for any irregularity or inaccuracy of BBA LIBOR. Disclaimer. Morningstar: © 2014 Morningstar, Inc. All Rights Reserved. Disclaimer The Dow Jones IndexesSM are proprietary to and distributed by Dow Jones & Company, Inc. and have been licensed for use. All content of the Dow Jones IndexesSM © 2014 is proprietary to Dow Jones & Company, Inc. Chicago Mercantile Association. The market data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved. FactSet Research Systems Inc. 2014. All rights reserved. Most stock quote data provided by BATS.