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Episode 6 of Build Across America takes Matt to Archbold, Ohio, to meet Nate Lange of Lange Custom Builders and discover how his team tackles the unique challenges of cold-climate homebuilding. Matt tours a remarkable timber-frame and SIPS hybrid home designed for efficiency, durability, and beauty, featuring Warmboard radiant heating, airtight envelopes, and smart winter construction practices. Highlights include a custom indoor pool with commercial-grade dehumidification, a Costco pass-through pantry window, radiant-heated garage floors, and meticulous timber craftsmanship. The episode also visits Lange’s own family home and shop, offering a glimpse into his team’s commitment to quality, before wrapping up at a 7,000-square-foot custom project in progress. Packed with practical building science, innovative details, and regional know-how, this episode shows how top-tier design and craftsmanship create homes built to excel in Ohio’s toughest weather.