Ultra-R Windows

Credit: Hurd Millwork Company

What makes this product green?

  • Reduces heating and cooling loads


Ultra-R Windows, manufactured by Hurd, include Heat Mirror films hung between panes of glass for increased thermal performance and UV-protection. According to the company, Ultra-R Windows block 99.5% of ultraviolet rays and provide up to R-20 insulating value at the center of the glass. The highest performing window Hurd has provided NFRC testing data for achieves a U-FactorMeasure of the heat conducted through a given product or material—the number of British thermal units (Btus) of heat that move through a square foot of the material in one hour for every 1 degree Fahrenheit difference in temperature across the material (Btu/ft2°F hr). U-factor is the inverse of R-value. of 0.21, which is equivalent to a bit less than R-5. Hurd offers wood frames with or without aluminum claddingMaterials used on the roof and walls to enclose a house, providing protection against weather. to accompany the Ultra-R glazingWhen referring to windows or doors, the transparent or translucent layer that transmits light. High-performance glazing may include multiple layers of glass or plastic, low-e coatings, and low-conductivity gas fill..

Additional Info

Product Attributes

  • Minimum NFRC U-factor: 0.21


Manufacturer Information

Hurd Millwork Company
575 S. Whelen Ave.
Medford, WI 54451
Phone: 715-748-2011
Fax: 715-748-6043
Toll-free: 800-433-4873

Listed in: Wood Windows


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