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In this episode of The Build Show, Eric visits the G-Pod project in San Antonio alongside local plumber Coley from Hill Country Plumbing to break down the innovative plumbing and HVAC systems powering this unique structure. Together, they walk through the challenges of compact design, rocky Texas soil, and integrating modern water and air systems into a high-performance home.
Viewers will see how the team:
Routed all plumbing through a centralized core for efficiency and serviceability.
Installed an aerobic septic system tailored to the region’s soil conditions.
Integrated a rainwater collection and filtration setup for safe, potable water.
Leveraged a Sanden CO₂ heat pump water heater for sustainable hot water production.
Designed short, efficient hot water runs with on-demand recirculation to minimize waste.
Balanced performance with long-term accessibility and maintenance.
This episode also highlights insights from water-efficiency expert Gary Klein, whose design principles guided the plumbing layout. The result is a home that delivers comfort, sustainability, and forward-thinking design — all while remaining service-friendly for the future. Stay connected with Eric on Instagram and watch full episodes through the links below.
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