Latest Articles in Design & Performance

  • Residential electricity prices have increased by more than 42 percent since 2002, according to the AARP Public Policy Institute. High electricity costs mean energy efficiency is more important than ever to homeowners, as well as remodelers who think green can significantly help their customers save on utility bills for years to come. Many homes are improperly prepared for the elements,... more »
  • At the International Builders' Show in Orlando last February, I found myself querying numerous manufacturers on their biggest challenge. It was unanimously improper installations. This is not news, but verification of an age-old problem that continues to occur. It’s not out of control, but when a complaint arises, improper installations are usually the culprit. Why is this? If steps are... more »
  • Market recovery, pending Energy Star changes, set stage for busy show in September
        Components designed to provide enhanced energy performance were featured by numerous suppliers at last year's GlassBuild in Atlanta.   Improving markets enjoyed by some window and door manufacturers already and anticipated by others are setting the stage for a busy GlassBuild America: The Glass, Window & Door Expo coming this fall. Nearly 7,000 industry... more »
  • Asymmetric triple-pane construction and advanced gas filling techniques provide new alternatives to improve performance numbers
    Conventional wisdom says R-5 windows are too costly to manufacture. This assumption is largely based on experience employing older technologies for fabricating high-performing triple IG units. Several recent developments challenge the assumption that R-5 cannot be reached affordably. One is the addition of 4th surface low-E glass coatings in dual lite units. Another is the introduction of... more »
  • We knew the day was coming—the Environmental Protection Agency recently released its draft proposal for the future of the Energy Star program for windows, doors and skylights last week. With a plan that calls for changes to take effect in January 2014, the draft includes U-factor requirements that may  lessen the need for manufacturers to pursue triple-glazed products to carry the... more »
  • "We think the future is dynamic windows," said Marc LaFrance, the Department of Energy's technology development manager with oversight over the agency's windows and building envelope programs speaking at a recent Windows Technology Roadmapping Workshop. Dynamic glazing was also high on the agenda at the Window & Door Manufacturers Association Technical Conference, which... more »
  • Those of us who have been involved in code development for an extended period of time have a saying–“The code is written in the hallways.” The saying reflects the more historic action of simply stopping one’s colleague in a hallway to have a discussion. It reflects the importance of seeking out, and obtaining, feedback on what one plans to present before it’s ever... more »
  • Once again the United States Green Building Council is attacking the vinyl window industry as it proposes changes to its LEED rating system. In November 2011, USGBC proposed changes for 2012 (currently on revision 4) that added a new Disclosure and Avoidance point category that refers to a list of "Chemicals of Concern," which include many common materials in building products, such as... more »
  • Quanex Building Products has begun an initiative to better inform our customers of changes in programs and legislation in Washington that may impact the fenestration industry. We are investing in lobbying and dedicating resources to actively develop our influence with key members of Congress and departments, such as the Department of Energy and the Environmental Protection Agency. We have... more »
  • Triple-glazing and R-5 products aren’t for everyone, but some manufacturers see opportunities with these products
    New Energy Star criteria are likely to improve window energy efficiency numbers across the board, but numerous manufacturers offer triple-pane and R-5 type windows exceeding those expected levels already. Most see a growing market for such products too, with much of the demand is driven by dealers.     Manufacturers like Ply Gem report that more dealers are opting for higher-... more »