Deep Energy Retrofit in Johnson City: Pursuing EnerPHit and Net Zero in a 1910 Home
A deep energy retrofit is transforming a century-old home on a busy residential block in Johnson City, Tennessee. Built in 1910, this house had survived more than 100 years without any comprehensive overhaul save for minor electrical upgrades and surface-level remodeling. Remarkably, the structure remained in good condition, retaining original plaster walls, hardwood flooring, and […]
