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Growing in the Greenbelt

Saturday, May 8 |  9 am – 11:30 am

Site Description

FEATURES: Advanced Building Envelope, Energy Efficient, Small Square Footage

When we met this family of four (Mom, Dad, Daughter, and Son), they were living in chosen simplicity in a small 2-bedroom/1-bath home, less than 1000 sq ft. As the kids were growing, they knew it was time to expand, and they assembled a project team who they could trust to guide them through the process and who understood their minimalist approach – Grace Huang of ming| architecture and design and Mighty House Construction.

The family was concerned about maintaining a small visual impact in the neighborhood and keeping within a limited budget. There was great effort to design the new second floor to feel like it had been there a long time and will continue to be around a longtime. A lower roof height and vaulted ceilings reduced the overall height yet didn’t reduce the amount of usable floor space.

The new 720-sq-ft second floor contains 3 bedrooms and 1 bath. The new bath is designed with privacy details to allow the entire family to use the room at one time. The parents intentionally avoided the typical primary bedroom/bath suite – this saved both resources and space. The former first-floor bedrooms became multipurpose spaces –one became the stairs, laundry room and pantry; and the other became a flex room that serves as den, office, online school classroom, crafts space, or guest room. The new covered back deck provides a year-round outdoor space and greater connection to the yard and green space beyond.

Green features include:

A ductless mini-split heat pump replaced the gas furnace on the main floor. Ductless heating and cooling systems are two-way heat pumps that transfer heat between outdoor and indoor air by compressing and expanding refrigerant. The Dept of Energy reports that heat pumps produce up to 4x the energy they consume.

Infrared radiant heat ceiling panels and cove heaters by Mighty Energy Solutions provide heat on the 2nd floor. Infrared radiant heaters utilize the same physical properties that warm the earth from the sun (minus UV radiation). Panels are heated by infrared coils which radiates energy down —heating the objects in the room inc. the floor, furniture, and people. The heated objects radiate heat out, warming the space faster and longer with very little electricity. This contributes to healthy indoor air quality by not circulating dust/pollutants and they require need zero maintenance.

WhisperGreen Exhaust Fans in the new laundry and bathroom help regulate humidity.One contributor to unhealthy air quality can be buildup of moisture and potential growth of mold and mildew. These fans operate automatically until moisture levels are normal and are a great option for bathrooms and laundry rooms, where moisture is generated in a home.

Two pairs of Lunos HRV’s (heat recovery ventilators) in the bedrooms bring in fresh air and exhaust stale air, while pre-heating the incoming air with heat from the exhaust air. These units are quiet, communicate wirelessly to work in tandem, filter the incoming air, and are a great way to save energy.

An exterior tankless water heater saves space and a dual flush toilet reduces water use.

Marmoleum was used in the kitchen and the new bathroom. Marmoleum is a natural linoleum made from linseed oil and mixed with other natural products on a jute backing. It is also naturally resistant to bacterial growth, making it an extremely hygienic flooring choice.

Cork flooring was used in the new bedrooms. As cork is bark, it is a rapidly renewable resource, a great sound and thermal insulator, anti-static, hypo-allergic, impermeable, and fire retardant.

No VOC (volatile organic compounds) paints were used in the project, ensuring the highest indoor air quality.

The south facing roof was kept clear of roof penetrations to maximize solar access for future solar panels.

Products such as Kebony decking, fiber cement siding, and Ceasarstone quartz countertops were selected for durability and low maintenance.

 
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