"The target was to retrofit an existing house to net zero," Aayushi Mody, the team lead said. "And, well, we exceeded the target by making it net positive. The house basically generates more energy than it utilizes." But, Mody explained, that's just the beginning.

In addition to a net positive retrofit, the English Avenue Yellow Jackets provided solutions for rainwater harvesting and graywater reuse, a financial model that included land trust subsidies, and an additional 60 years' worth of projected weather data that proved the house would stay net positive even in cases of extreme weather.

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