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Apogee’s Building Retrofit team publishes “Window replacement: Unrealized benefits to building owners“


Minneapolis (March 2017) – Most U.S. buildings currently  in use will continue to be until 2050 and, eventually, will require renovation.  Helping building and property managers evaluate and maximize the benefits of  window system renovation and upgrades, Apogee Enterprises, Inc.’s Building  Retrofit Strategy Team offers a new 28-page publication. “Window replacement:  Unrealized benefits to building owners” is available free for download at

“Replacing aging windows with new,  high-performance systems provide a better environment for the building’s  occupants and greater value for the building owner,” says John Bendt, vice  president of Apogee’s Building Retrofit Strategy Team.

“Window systems  and components have evolved significantly since the 1980s,” explains Kevin  Robbins, Apogee’s  Building Retrofit Strategy Team account manager. “About half of all U.S.  commercial and institutional buildings were constructed prior to this period,  which presents a significant opportunity for owners and occupants to benefit  from façade improvements and window replacement.”

Bendt continues, “Among the many benefits, modern window  systems improve the appearance and performance of aging buildings. New,  high-performance glass and aluminum frames with thermal barriers help save  energy, reduce maintenance, lower vacancy rates, increase rental rates, provide  a better environment for the building’s occupants and creates greater value for  the building owner and enhance occupants’ satisfaction and comfort.”

Describing  these benefits and best practices in achieving them, the paper shares nine case  studies along with detailed considerations regarding energy payback, fossil fuel  savings equivalents, code compliance and green standards, environmental  stewardship, tax credits, product selection and renovation specification tips,  plus a glossary of industry terms and acronyms.

The paper’s nine  featured projects range from the 1800s to the 1970s with geographies from  Boston to Portland, Oregon. As many of these examples demonstrate, re-cladding  and renovating building exteriors with high-performance window systems can have  a significant affect on the building’s energy efficiency. To compare  performance data between a building’s existing windows and proposed, new,  high-performance, replacements units, Apogee’s Retrofit Strategy Team offers free energy modeling  that provides building performance information on annual energy, peak demand,  carbon emissions, daylight, glare, and condensation.

“Looking beyond simple energy payback, today’s owners and facility  managers consider all the factors involved, including carbon footprint  reduction, maintenance savings, and safety and occupant productivity,” adds  Robbins. When window  replacement is timed in conjunction with an HVAC system upgrade, significant  reductions in peak load can yield further savings in equipment costs. For  building owners seeking enhancements in security, design criteria for façade  renovation also can include blast hazard mitigation, hurricane impact  resistance, electronic eavesdropping protection and forced entry deterrence.

“Establishing clear goals, priorities  and expectations for building envelope maintenance and renovation will  significantly contribute to future success. Working with an experienced building  envelope retrofit team that includes the installer and manufacturers, building  owners and facility managers will optimize the intended benefits and return on  investment,” concludes Bendt.

To learn  more about Apogee’s Building Retrofit Strategy Team’s services, or for a copy  of “Window replacement: Unrealized benefits to building owners,” please visit or contact John Bendt at, 612-790-3137; or Kevin Robbins at, 715-409-0821.

Apogee Enterprises,  Inc.’s Building Retrofit Strategy Team, in conjunction with the its businesses,  assists building owners and property managers evaluate the benefits of window  renovation and upgrades, such as improving the appearance of the building,  saving energy, downsizing HVAC loading, reducing maintenance, lowering vacancy  rates, increasing rental rates and enhancing the value of the building.

Apogee’s business  units that supporting these building retrofit strategies include Alumicor; Harmon,  Inc.; Linetec; Sotawall Inc.; Tubelite Inc.; Viracon, Inc.; and Wausau Window  and Wall Systems.


Media contact:
Heather  West,