Net-zero may seem beyond the budgets of most K-12 school districts, but a couple of trailblazers have found the means to construct schools designed to produce as much power as they use.
The new $20 million, 88,693-sf Colonel Smith Middle School in Ft. Huachuca, Ariz., takes daylighting to the highest level. Every regularly occupied space has a window, skylight, or clerestory glazing for layered daylighting. To hold down the cooling load, the building obtains most of its sunlight from the north sky through clerestory windows. On the south exterior wall, exterior overhangs prevent direct solar exposure in the summer, while allowing passive solar heating in winter. Locker rooms and other support spaces have shaded high-wall translucent fiberglass panels to provide privacy. Lighting energy use is expected to be 80% less than that of a standard school building.
Energy is recovered from locker room exhaust to pre-heat or pre-cool supply air delivered to locker rooms. Solar panels heat domestic water for locker rooms and the kitchen. PVs were obtained through a power purchase agreement. “We didn’t have net-zero in mind when we were starting out,” notes Dr. Ronda Frueauff, Superintendent of the Ft. Huachuca Accommodation School District. That changed as the design committee evaluated the affordability of each green element. Only geothermal was ruled out as cost-prohibitive.
Geothermal is, however, a key component of the Lady Bird Johnson Middle School in Irving, Texas, with 530 geothermal wells and 105 water-source heat pumps. The school is powered by 2,988 rooftop solar panels and 12 wind turbines. Opened in August 2011, the $29 million, 152,000-sf school cost about 12% more to build than one of traditional construction. School officials expect to recoup their investment in 10-12 years.
“We didn’t have net-zero in mind when we were starting out.”
--Dr. Ronda Frueauff, Superintendent of the Ft. Huachuca Accommodation School District.
Both schools incorporate green features into lesson plans. The Texas school features museum-type displays along the main hallway highlighting geothermal, solar, and wind technology, along with water efficiency. Students can get a close-up view of the PVs from a roof observation deck.
Getting to net-zero is not easy, but the promise of eliminating energy bills and using state-of-the-art technology as a learning lab can make a compelling case to reach for net-zero. +
Related Stories
University Buildings | Oct 18, 2022
A carbon-neutral-ready university campus opens in Hong Kong
In early September, the Hong Kong University of Science and Technology (HKUST) officially opened its new, KPF-designed campus in Nansha, Guangzhou (GZ).
Market Data | Oct 17, 2022
Calling all AEC professionals! BD+C editors need your expertise for our 2023 market forecast survey
The BD+C editorial team needs your help with an important research project. We are conducting research to understand the current state of the U.S. design and construction industry.
Codes and Standards | Oct 17, 2022
Ambitious state EV adoption goals put pressure on multifamily owners to provide chargers
California’s recently announced ban on the sale of new gas-powered vehicles starting in 2035—and New York’s recent decision to follow suit—are putting pressure on multifamily property owners to install charging stations for tenants.
Justice Facilities | Oct 17, 2022
San Antonio’s new courthouse aims to provide safety and security while also welcoming the public
The San Antonio Federal Courthouse, which opened earlier this year, replaces a courthouse that had been constructed as a pavilion for the 1968 World’s Fair.
Market Data | Oct 14, 2022
ABC’s Construction Backlog Indicator Jumps in September; Contractor Confidence Remains Steady
Associated Builders and Contractors reports today that its Construction Backlog Indicator increased to 9.0 months in September, according to an ABC member survey conducted Sept. 20 to Oct. 5.
| Oct 13, 2022
Boston’s proposed net-zero emissions code has developers concerned
Developers have raised serious concerns over a proposed new energy code by the City of Boston that would require newly constructed buildings over 20,000 sf to immediately hit net-zero emissions goals.
Education Facilities | Oct 13, 2022
A 44-acre campus serves as a professional retreat for public-school educators in Texas
A first-of-its-kind facility for public schools in Texas, the Holdsworth Center serves as a retreat for public educators, supporting reflection and dialogue.
Building Team | Oct 12, 2022
Real estate development practices worsened impact of Hurricane Ian
A century ago, the southwest Florida coast was mostly swamps and shoals, prone to frequent flooding and almost impossible to navigate by boat.
Market Data | Oct 12, 2022
ABC: Construction Input Prices Inched Down in September; Up 41% Since February 2020
Construction input prices dipped 0.1% in September compared to the previous month, according to an Associated Builders and Contractors analysis of U.S. Bureau of Labor Statistics’ Producer Price Index data released today.
Hotel Facilities | Oct 12, 2022
Global hotel chain citizenM opens its first Chicago property and its fifth of the year
citizenM, a global chain of affordable luxury hotels, has opened its first Chicago property—its fifth opening of 2022.