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Designed to be Utah’s most energy efficient and cost effective single family house, 125 Haus in Park City is to be a new model for market rate housing for cold climates. AJR + ITAC engaged in an integrated design process with production builder Garbett Homes and several engineering firms.  After a short 5-months construction period, 125 Haus was successfully completed in fall 2011. Post-occupancy monitoring started in November 2011, with an anticipated overall period of 2 years.

Specifications:

-Summit Park, 7,000 feet elevation

-2400 s.f., 3-4 beds, 2 baths

-Designed to Passivhaus standard

-Energy Plus, 80% efficient above IECC 2006

-Double stud construction + 4“EIFS

-High performance triple pane windows

-HRV

-Direct Vent Gas Fireplace and on-demand hot water heater to heat the

  house      

Report on 125 House HERE.

KCPW interview HERE.

Continuum Article HERE.

Inhabitat Article HERE.

Park City Talk HERE.

you don’t need solar panels to achieve energy efficiency.

Energy simulation (PHPP, Energy Plus) and post-occupancy evaluation and monitoring as integral part of the development and design process of a building: heat flux result through the 125 Haus R-60 wall assembly (top); thermal performance and air infiltration evaluation of window systems after completion of the building (bottom).