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Net Positive Energy Home in Chicago
When you think of living in Chicago, you might conjure up ideas of scandalously expensive heating bills that result from lake effect snow, whipping winds, and polar vortexes that push the temperature downwards towards Arctic levels. The thought of creating a net positive energy home that heats, cools, and powers itself without massive amounts of fossil fuel energy might seem like a feasible idea in New Mexico or Arizona. Still, the climate of Chicago (and especially those winters) might seem to require too much energy to stay warm.
A 2,900 square foot townhome located on North Leavitt Street in the Roscoe Village neighborhood of Chicago, however, is challenging many of the commonly held assumptions related to what is possible in terms of sustainable home construction in the Windy City.
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Essential Home Features
While the solar PV system, the energy-efficient design, and the impressive net-positive energy status of this home are certainly the focal point for the attention it has garnered, the home also includes several other impressive and sustainable features.
The home integrates LED lighting throughout every room, though the artificial lighting requirements are minimized through a design strategy that maximizes natural light. Despite the home's unideal east/west orientation, which tends to cause problems with passive solar heat gain, the designers and builders were able to maximize natural daylighting through the thoughtful placement of argon-filled Energy Star rated windows and a central skylight. The selection of the windows was primarily based on the specific solar heat gain coefficients and solar shading coefficients to help limit excessive heat gain that is common to homes with this glazing orientation.
A Connection to Place
We don’t usually think of homes in metropolitan areas having much of a connection to the regions where they are located. The urban landscape doesn’t offer an abundance of locally available raw materials for home construction as is possible in more rural and suburban areas. However, this net-positive energy home made a serious effort to utilize locally-sourced wood materials for the home construction.
Tobias Roberts
Tobias runs an agroecology farm and a natural building collective in the mountains of El Salvador. He specializes in earthen construction methods and uses permaculture design methods to integrate structures into the sustainability of the landscape.
