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1800 Larimer

Denver, CO
RNL Design
LEED for Core and Shell 2.0
1800 Larimer
Photo © Frank Ooms

1800 Larimer


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Gross area: 789,800 ft2

Date completed: April 2010

Profile: 1800 Larimer is a 22-story, mixed-use high rise in downtown Denver, CO. It includes a parking garage with retail and office spaces. The garage is topped with a landscaped roof garden that is accessible from the second floor. Base-building architect RNL also designed the offices for local utility, Xcel Energy, on floors 3 through 16. (Xcel’s offices are pursuing LEED-CI Platinum.)

Energy-saving strategy: The under floor air distribution system contributes substantially to the energy savings and also delivers improved air quality using natural convection. At least 35 percent of the core and shell energy will come from wind power through Xcel Energy’s Windsource program. Additionally, sub-metering encourages all tenants to incorporate their own energy saving strategies. The building model predicts over 20 percent energy cost savings over the ASHRAE 90.1 standard and up to a 50 percent energy consumption savings compared to the base case.


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