This residence in Crested Butte, CO, is a climate-resilient, all-electric, net-zero home. Each year, it will generate as much energy as it consumes through rooftop photovoltaic (PV) solar panels. All systems—heating, cooling, ventilation, cooking, washing, and drying—operate without fossil fuels. The home’s performance depends on high levels of climate-appropriate insulation and airtight construction. Most of the insulation is placed on the exterior of the structure, preserving valuable interior floor area—an important consideration in regions where space is limited. Like a thermos or cooler, the thick insulation helps maintain indoor comfort—keeping the house warm in winter and cool in summer. This reduces the energy demand for heating, ventilation, and air conditioning (HVAC) while also allowing for smaller, more affordable systems. The HVAC system provides a continuous supply of fresh, filtered, conditioned air while monitoring for contaminants—particularly valuable during wildfire smoke events. The insulation is primarily cellulose, made from recycled paper. This material not only diverts waste from landfills but also sequesters carbon, lowering the project’s overall environmental footprint. The existing concrete foundation was reused, and toxic materials such as spray foams were deliberately avoided, further reducing carbon and environmental impacts. Designed for durability and resilience, this home is built to withstand the challenges of climate change and can be adapted for off-grid operation in the future.