Afton VA Near Zero Energy Home
Mountain Views and low impact
Occupancy
Owner-occupied, 2 residents
Days per year Building is fully occupied:
350
Scope
New home was constructed to be a near zero energy building. The energy desing was largely directed by the home owner without the use of external consultants.
| Type of Construction | |
|---|---|
| Number of buildings | 2 |
| Floor area of each building | 3,750 |
| Bedrooms | 3 |
| Bathrooms | 2.5 |
| Stories | 2 |
| Conditioned Building Volume | 32,000 cu ft |
| Conditioned Floor Area | 3,750 sq ft |
| Semiconditioned Floor Area | 300 sq ft |
| Unconditioned Floor Area | 720 sq ft |
Location and Climate Details
Single Family Residence
| Address |
1887 Tanbark Drive Afton, VA 22920
United States |
|---|---|
| Location Type | Rural |
| Climate Region | Zone 7 |
| Köppen Climate Type | Cfa |
| Lat. / Long. | POINT (-78.8594368 38.0003715) |
| Elevation | 900 ft |
| Solar Insolation | 4.6 kWh/M2/day |
| Annual CDD and Base Temp | 1769 | 65 deg F |
| Annual HDD and Base Temp | 3958 | 65 deg F |
Site
Site conditions:
previously undeveloped land
Site description:
Home is on an 8 acre lot about 1 mile from the Blue Ridge Parkway
Materials and Design Strategy
Materials:
Landscaping utilizes native plantings
Special architectural measures:
The home was oriented with south south west rear exposure and extensive energy efficient windows. The goal was to utilize passive solar design with other efficient designs to enable a zero energy home. A solar array was placed on a south facing barn roof.
Indoor Environment Description:
Indoor air quality issues were addressed by the installation of a energy recovery ventilator (ERV) system.