
Bellingham Gentle Density DADU
TC Legend Homes demolished an existing one-car garage and re-purposed the available space with a cozy, high-performance, 775 square foot, detached accessory dwelling unit (DADU) that includes an attached single-car garage. The RE Store handled the structure demolition to maximize recycling opportunities and minimize waste.
The DADU was designed from the ground up to be net-positive-energy, meaning it will produce more energy on an annual basis than it requires. TC Legend Homes applied the same approach and many of the same building techniques to this DADU as it does to any of its other homes.
Key Features
A simple design to minimize exposed surface area
Orientation and window placement to optimize active and passive solar
Slab on grade with 4” under-slab insulation & Insulated concrete forms
Structural Insulated Panel construction (vice traditional framing) to reduce possibility of thermal bridging
Triple-pane windows
High-efficiency mini-split heat pump for heating & cooling and high-efficiency heat pump for water heating
HEPA High Efficiency Whole House Insulated Filtration System
5.4kw photovoltaic solar system
Energy Star, EPA Indoor airPLUS, and 5-Star Built Green Certified
Home Energy Rating System (HERS) Index is negative 16! (A typical new home has a rating of + 62).
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