The addition of air curtains in the International Green Construction Code (IgCC), the new comprehensive high performance green building code, promises energy and construction cost savings for commercial, industrial and institutional buildings.
Specifying air curtains as energy-saving, cost-cutting alternatives to vestibules in 3,000-square-foot buildings and larger has been a recent trend among consulting engineers and architects. However, many times specifications are blocked by local jurisdictions that have adopted the International Energy Construction Code (IECC), which doesn't yet sight air curtains as vestibule alternatives.
Thus, the newly-enacted IgCC, which is scheduled for March 2012 publishing, now provides an approved overlay of green construction products to the base code IECC, which is overseen by the International Code Council, the Washington-based organization responsible for providing minimum safety, sustainability and affordability building codes and standards.
Recent proposals to the IgCC by the Air Movement and Control Association International (AMCA), Arlington Heights, Ill., helped establish air curtains as a vestibule alternative with the stipulation that they're tested in accordance with ANSI/AMCA Standard 220-05, "Laboratory Methods of Testing Air Curtains for Aerodynamics Performance Ratings."
Also helpful in the code modification effort were recent studies proving air curtains as 10% more energy-efficient than vestibules. The three-month research study “Air Curtains: A Proven Alternative to Vestibule Design” used second-party validation from research/validation consultant, Blue Ridge Numerics, Charlottesville, Va., with certified results from proven computational fluid dynamics (CFD) analysis.
Besides energy savings, vestibules, especially in retail settings, consume anywhere from 25 to 250 square feet of usable retail space and carry construction costs ranging from $3,750 to $37,500, based on an average of $150/square feet construction costs.
Meanwhile air curtain proponents will continue to present energy efficiency data to code committees, in hopes of instituting the vestibule alternative measure into the IECC. The next meeting on the subject is scheduled in January 2013.
Related Stories
Mass Timber | Jan 30, 2023
Net-positive, mass timber building will promote research on planetary well-being in Barcelona
ZGF Architects, along with Barcelona-based firms MIRAG and Double Twist, have designed a net-positive, mass timber center for research on planetary well-being. Located in Barcelona, the Mercat del Peix Research Center will bring together global experts in the experimental sciences, social sciences, and humanities to address challenges related to the future of the planet.
AEC Tech | Jan 27, 2023
Epic Games' latest foray into the AEC market and real estate industry
From architecture to real estate, the realm of computer-aided design hits new heights as more and more firms utilize the power of Epic Games’ Twinmotion and Unreal Engine.
University Buildings | Jan 27, 2023
Ozarks Technical Community College's advanced manufacturing center is first-of-a-kind in region
The new Robert W. Plaster Center for Advanced Manufacturing at Ozarks Technical Community College in Springfield, Mo., is a first-of-a-kind educational asset in the region. The 125,000-sf facility will educate and train a new generation in high tech, clean manufacturing and fabrication.
Mass Timber | Jan 27, 2023
How to set up your next mass timber construction project for success
XL Construction co-founder Dave Beck shares important preconstruction steps for designing and building mass timber buildings.
Sports and Recreational Facilities | Jan 26, 2023
Miami’s motorsport ‘country club’ to build sleek events center
Designed by renowned Italian design firm Pininfarina and with Revuelta as architect, The Event Campus at The Concours Club will be the first and only motorsport-based event campus located within minutes of a major metro area.
Student Housing | Jan 26, 2023
6 ways 'choice architecture' enhances student well-being in residence halls
The environments we build and inhabit shape our lives and the choices we make. NAC Architecture's Lauren Scranton shares six strategies for enhancing well-being in residence halls.
K-12 Schools | Jan 25, 2023
As gun incidents grow, schools have beefed up security significantly in recent years
Recently released federal data shows that U.S. schools have significantly raised security measures in recent years. About two-thirds of public schools now control access to school grounds—not just the building—up from about half in the 2017-18 school year.
AEC Tech Innovation | Jan 24, 2023
ConTech investment weathered last year’s shaky economy
Investment in construction technology (ConTech) hit $5.38 billion last year (less than a 1% falloff compared to 2021) from 228 deals, according to CEMEX Ventures’ estimates. The firm announced its top 50 construction technology startups of 2023.
Sports and Recreational Facilities | Jan 24, 2023
Nashville boasts the largest soccer-specific stadium in the U.S. and Canada
At 30,105 seats and 530,000 sf, GEODIS Park, which opened in 2022, is the largest soccer-specific stadium in the U.S. and Canada. Created by design firms Populous and HASTINGS in collaboration with the Metro Nashville Sports Authority, GEODIS Park serves as the home of the Nashville Soccer Club as well as a venue for performances and events.
Concrete | Jan 24, 2023
Researchers investigate ancient Roman concrete to make durable, lower carbon mortar
Researchers have turned to an ancient Roman concrete recipe to develop more durable concrete that lasts for centuries and can potentially reduce the carbon impact of the built environment.