The 90% Home: Weatherproof Living Through Passive Design

Speaker Friday, November 14, 2025

Passive Homes flip the script on the high cost of extreme weather—from heat waves to polar vortexes. It is not just green energy that can reduce energy usage by 90 percent; it is smart, science-driven building design. By focusing on airtight construction, high-performance insulation, and optimal solar orientation, Passive Homes maintain steady indoor comfort with minimal energy input. As climate extremes become more common, these homes offer a practical way to stay comfortable, lower utility bills, and reduce environmental impact—all without relying on expensive technology or constant system upgrades.

Join us as we welcome Mark Fenelon, founder of Mossy Ridge Construction, for an eye-opening presentation on this growing movement in sustainable building. Fenelon will explain the science and strategy behind Passive Homes, drawing on his background in biology and more than two decades of experience building high-performance homes throughout the Nashville area.

Mr. Fenelon’s journey began with an interest in science and a deep appreciation for nature, inspired by his time in Percy Warner Park. Though he left the lab behind, his scientific training became the backbone of his approach to green construction. Since founding Mossy Ridge Construction in 2003, Fenelon has focused on building architecturally remarkable, environmentally responsible homes that meet LEED-certified standards while fostering true collaboration between clients, architects, and designers.

This meeting offers a chance to learn how Passive Homes can dramatically reduce energy use, increase resilience, and provide lasting comfort. Whether you are a builder, a homeowner, or simply curious about the future of housing, you are invited to attend and learn more about this exciting development in residential design.Green Hills stands at a crossroads—surrounded by growth, yet rich in legacy. Do we simply respond to change, or do we take charge of it? The Alliance for Green Hills, under the leadership of Norah Buikstra, is reimagining how our neighborhood can evolve with intention. This is more than planning; it is an invitation to become active stewards of our community’s future.

For more information see their website: https://mossyridge.com/green-blog/

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