Efficiency Redefined: The Math Behind a Sustainable Home Design

October 7, 2014

Presenting a simple equation that even those averse to math can appreciate. The narrative unfolds with David Watters, proprietor of The Beamery, who conceived a 4,000 square-foot, two-level residence in Nashville, Indiana. Constructed to meet Passive House standards and featuring Thermocore insulated wall and roof panels, this dwelling relies exclusively on an 18,000 BTU heat pump for both heating and cooling. Throughout the preceding summer, the indoor climate remained a comfortable 68 to 72 degrees.

Consider this: How warm did your residence become last summer, and how much reliance did that necessitate on air conditioning?

Let's delve into the arithmetic behind David's creation. Firstly, the homeowners enjoyed initial cost savings. No exorbitant expenses on air conditioning units or furnaces. Instead, a modest heat pump sufficed, courtesy of the efficiency of Structural Insulated Panels (SIPs) in maintaining indoor comfort. Visualize SIPs bearing the brunt of the work, enabling the heating and cooling system to assume a laid-back stance.

Moreover, factor in the ongoing savings. Operating an 18,000 BTU heat pump incurs markedly lower costs compared to a standard heating and cooling system—month after month.

This level of efficiency cannot be attained by traditional stick framing methods, where insulation and airtightness are often compromised. Structural Insulated Panels provide superior thermal performance and airtightness, ensuring unparalleled energy efficiency and comfort in the home.

View The Beamery Project