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Redwood Garage, CA
Award winner
Lee Garage
Washington
Project Type Residential | Shop/Garage
Year Completed 2020
Project Size 900 sq ft
SIPS Used 6" GPS Walls & 6" GSP Roof with R-15 Batts in the top chord
Sustainable Features Premier SIPS, Entire exterior is Hardi-plank and hardi-trim, with 100% zero-VOC paints and finishes throughout
Environmental Certifications Net Zero/Zero Energy Ready
Awards 2021 BEA High Performance Runner-Up Homes Under 900 S/F
Architect Clifton View Homes
Contractor Clifton View Homes
Project Overview
Lee Garage
End Use: Residential with garage and business space below
Why SIPs?: The SIPS construction allowed us a shorter build time in a difficult location.
Benefits of SIPs: The combination of SIPS walls with attic trusses allowed us the design flexibility to have a clear span over the garage, with living space above.
Certifications:
- US DOE Zero-Energy Ready
- EPA Indoor Air Plus
- Energy Star
HERS: 39 without solar panels
Blower Door Rest: 2.88 ACH 50
Energy Use Intensity: Living area of 694 s/f has a total btuh of 5,573 on the design degree day, for an energy intensity of 8.030 btuh/sf.
HVAC System: Daikin Ductless heat pump, heats the living area and workspace below. A Tier 1 heat pump water heater provides the domestic hot water, COP of 2.25
Energy-Saving / Energy-Efficient Products:
- Vinyltek Windows (from Canada) have a U-value averaging .16.
- Floor insulation above a fully insulated garage is R-38.
- 100% of all lighting is LED,
- Appliances are all energy-star, including stacking front-load washing machine, dishwasher, and refrigerator.
- Heap pump water heater.
- Room on the roof for a 3.9 kW solar array would get the unit to zero energy
Solar: To be installed at a later date
Other Comments: The air handling system features a MERV-21 HEPA filter, balancing the range fan, and providing make-up air for the Panasonic Whisper Green bath fan, which provides the ASHRAE 62.2 requirement for fresh air.
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.
