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in Partnership with GeoExchange and IGSHPA


in Partnership with GeoExchange and IGSHPA

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Case Study – Maul Home “SUV” Green Home

Maul Home Geothermal Project

The article highlights the construction of an exceptionally energy-efficient home in Oregon, breaking conventional norms in high-efficiency homebuilding. David Maul, working with Maul Energy Advisors, embarked on a mission to create a uniquely green home, resulting in a certified LEED Platinum house completed in June 2009. Spanning 4,316 square feet, the home seamlessly blends Pacific Northwestern and Asian design themes.

Key features of the home include a ground-source heat pump, solar photovoltaic panels, and solar hot water technologies, which collectively elevate its energy efficiency beyond typical standards. Maul’s geothermal system, installed by SolAire Homebuilders, incorporates vertical boreholes and closed-loop systems for heating and cooling. Solar panels mounted on the roof and thermal collectors contribute to the home’s energy needs, with excess heat used to supplement domestic hot water.

The home’s ultra-efficient building envelope includes staggered stud wall systems with blown-in-blanket insulation, achieving impressive R-values for walls, subfloors, and ceilings. Windows are equipped with exterior solar shade screens, enhancing energy efficiency further. Water conservation measures, such as tankless water heaters and rainwater harvesting systems, further align the home with sustainability goals.

Local building materials, renewable flooring, and indoor air quality considerations are also integral to the home’s construction. Aesthetic features like a small water feature inside the entrance add to the overall ambiance while contributing to indoor humidity levels.

Despite its large size, the home boasts astonishing energy savings, with Maul reporting minimal utility bills even during extreme weather conditions. The Mauls’ residence serves as a testament to the idea that green building can be both beautiful and comfortable, offering long-term energy savings and environmental benefits.

Original Article Source:  Geothermal Residential Spotlight by ClimateMaster

Download Full Geothermal Installation Spotlight PDF

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