More and more homeowners are renovating existing homes to make them “net zero” energy consumers. Here’s how.

Energy-conscious retrofits can dramatically reduce the carbon footprint of housing without the need to start from scratch

Photos © iStockphoto.com/Elenathewise
Michigan resident Matt Grocoff’s net zero renovation retained this home’s historic charm while adding climate-friendly 21st century features. Photo courtesy of Matt Grocoff, www.thrive-collaborative.com
Cellulose insulation can boost energy efficiency with less embodied carbon than other insulation options. Photo courtesy of Dennis Schroeder, NREL
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