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 âAir Curtains: A Proven Alternative to Vestibule Designâ 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.Â
Related Stories
Industry Research | Nov 28, 2017
2018 outlook: Economists point to slowdown, AEC professionals say âno wayâ
Multifamily housing and senior living developments head the list of the hottest sectors heading into 2018, according a survey of 356 AEC professionals.
Multifamily Housing | Nov 28, 2017
Elementary school, daycare campus will serve Torontoâs skyrise neighborhood
The $65 million Canoe Landing Campus brings much needed social infrastructure to the 20,000 residents of Torontoâs CityPlace towers.
Architects | Nov 28, 2017
Adding value through integrated technology requires a human touch
To help strike that delicate balance between the human and the high-tech, we must first have an in-depth understanding of our clientâs needs as well as a manufacturerâs capabilities.
Architects | Nov 17, 2017
How to leverage historic tax credits
About 90% of the time prospective clients are not aware of historic tax credits.
Sponsored | Architects | Nov 16, 2017
Growing your AEC firm through an exceptional client experience
Many small AEC firms donât feel they have the time to focus and create clear marketing messages.
Multifamily Housing | Nov 15, 2017
6 noteworthy multifamily developments: artists housing, tech lofts, resort-style senior living
These recently completed projects represent emerging trends and design innovations in the multifamily sector.
Architects | Nov 9, 2017
AECOM and Van Alen Institute announce four Urban SOSÂź 2017 finalists with bold ideas for creating more equitable cities
Multidisciplinary student teams were challenged to redefine the traditional âhour cityâ radius, providing broader access to opportunity.
Multifamily Housing | Nov 8, 2017
No place like home: LAâs The Six provides permanent supportive housing for veterans
The 52-unit development gives hope and dignity to homeless or disabled veterans and others in need.
Healthcare Facilities | Nov 6, 2017
Design isnât enough to foster collaboration in healthcare and research spaces
A new Perkins Eastman white paper finds limited employee interaction at NYU Winthrop Hospital, a year after it opened.Â
Architects | Nov 6, 2017
How to start a negotiation: Begin as you mean to continue
How you start a negotiation often will determine where you end up, writes negotiation and mediation expert Brenda Radmacher.Â