Windows that open newest energy-savers

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By Brandon Watson
Thursday, March 5, 2009
When it comes to improving the infrastructure on campus, a renovation project to update windows doesn't always garner much excitement.
 
However, when you take into account the improved energy savings and occupant comfort, it is understandable that those in Physical Plant and the Social Science Building couldn't be happier.
 
The ongoing project to replace more than 300 thermally insulated (double paned) windows in a number of offices in Social Sciences is wrapping up with seemingly little fanfare. In fact, most of the pedestrian traffic on campus may not even have been aware that the $300,000 upgrade was under way on the floors above.
 
Some of the energy savings comes with the installation of new seals and gaskets. Weather and time can cause these features to be compromised. The new windows also feature Low E coating and are Argon filled, improving heat deflection.
 
As Physical Plant architect, Mike McLean admits, though there are traditional improvements to efficiency, the investment has a long payback period.
 
That said, there are more reasons to consider than just traditional energy savings when doing a renovation like this one.
 
One reason in particular is identified by the Canadian Green Building Council's LEED (Leadership in Energy and Environmental Design) criteria. Windows that open were once thought to be a detriment to energy conservation.
 
That seems to have changed. The new LEED reference guide states, "individual control of building systems can increase occupant comfort and save energy by eliminating unwanted or unnecessary space conditioning."
 
The university plans to proceed with LEED certification for all major renovations. Some of the smaller renovations - such as the window upgrades - will also adhere to the environmentally friendly guidelines.
 
Relying more heavily on user discretion, the ineffective use of personal controls, such as setting thermostats too high or leaving windows open during non-working hours increases energy costs. According to McLean, "it is important that the occupants are familiar with the design and function of these systems and to get in the habit of treating them with the same care they would at home."
 
McLean remains positive. He acknowledges that it's hard to account for forgetfulness and if building occupants are mindful of the system, the operable window upgrade should be win-win. 
 
The writer is a communications officer in Physical Plant.  

 

 

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