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Modern Issaquah Neighborhood, WA
TC Legend Positive Energy Home Bellingham, WA
Washington
Project Type Residential | Single Family > 3000 sf
Year Completed 2018
Project Size 1040 sq ft
SIPS Used 6" GPS Walls & 10" GPS Roof
Sustainable Features Premier SIPS, Net-Zero, Positive Energy, Low VOC Interior Paint
Environmental Certifications LEED/USGBC
Architect TC Legend Homes
Contractor TC Legend Homes
Project Overview
TC Legend Bellingham Positive Energy
End Use: Residential Single Family Positive Energy Home
Why SIPs?: TC Legend Homes was selected as the builder for this project. TCL coordinated all aspects of the project from design through construction and has developed a "positive energy" system that relies on the energy-efficient components that Premier SIPs offer.
Benefits of SIPs: Do SIPs save time, labor, construction costs, and energy? Absolutely to all! Install time is days, not weeks which equates to a reduction in framing and other trade labor. Also, less expansive overall for the options available on a net-zero/positive energy project.
Innovative Design Elements: The entire project was engineered to be positive energy so that it would be able to produce more energy than it needs to operate. This required planning from the start to ensure all systems were complimented and optimized. While there is considerable upfront planning to achieve this operating status, the construction period flies with components being pre-planned for execution. TC Legend Homes is well considered the foremost expert on positive-energy homes and have constructed dozens in Washington State.
Certifications:
- Energy Star Certified New Home
- Washington Built Green - Highest 5-Star Status
- EPA Indoor AirPLUS Qualified Home
HERS Index: -25
Blower Door Test: ACH 0.57
Energy Use: Estimated energy use annually -10.5 MMBtu
HVAC:
- Electric air source heat pump, high-efficiency mini-split/Electric Htg.: 14.2 HSPF. Clg: 33.0 SEER
- Ventilation: Exhaust only: 50 cfm, 33.0 watts
- Thermostat: Programmable heating and cooling
Energy-Saving Materials / Energy-Efficient Products or Design Elements:
- Triple-Pane Windows, U-Value: 0.180, SHGC: 0.300
- Solar Array
- Under Slab Insulation, R-20 under & R-20 Edge Slab
- Passive Solar Orientation
- Water heating via heat pump/electric, 2.7 EF, 50 Gal
- Radiant flooring
Solar Panels: Photovoltaics estimated at an annual energy consumption of -27.2 MMBtu/yr (or -$675.00)
Other Information:
- This home generates enough energy to power the owner's electric car!
- GPS insulation core for increased efficiency.
- Annual energy cost for all operations is $-176
Find Your Local Rep
As the oldest SIP manufacturer, Premier SIPS offers a superior building envelope framing system for commercial and residential structures. Contact an expert in your region to discuss your next project or to explore the benefits and cost savings when designing and building with SIPs.
