Top 25 Energy Efficient Window Manufacturers

Written by bprescottMarch 13, 2012
Top 25 Manufacturers Names Top 25 Energy Efficient Window Manufacturers

Replacement Windows For Dummies has released their list of the top 25 window manufacturers of energy efficient windows.  After reviewing window and fenestration research from a number of independent research organizations, has compiled a list of the top 25 window manufacturers who received high marks for:producing energy efficient, durable and quality fenestration products, specifically windows, for U.S. homeowners.

Factors which were independently tested and reviewed in creating the list of the top energy efficient window manufacturers included

  • thermal transmittance or ‘U-factor’,
  • the solar heat gain coefficient or ‘SHGC’,
  • visible transmittance or ‘VT’,
  • air leakage, and
  • ‘AL’ and condensation resistance or ‘CR’.
  • Additional considerations included product performance over time, return on investment and demonstrated commitment to new product innovations.

Here’s the list of the Top 25 Manufacturers of Energy Efficient Windows. 

(Listed Alphabetically)





AMSCO Windows

Salt Lake City, UT

Andersen Windows

Bayport, MN

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Associated Materials

Cuyahoga Falls, OH

Atis Group

Longueuil, Que., Canada

Atrium Windows

Dallas, TX

Builders FirstSource

Dallas, TX

Champion Window Mfg.

Cincinnati, OH

Crestline Windows and Doors

Medford, WI

Crystal Window & Door Systems, LTD.

Flushing, NY

Harvey Building Products

Waltham, MA

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Hurd Windows and Doors

Medford, WI

Jeld-Wen Windows and Doors

Klamath Falls, OR

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Kolbe Windows & Doors

Wausau, WI

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Marvin Windows and Doors

Warroad, MN

Milgard Windows

Tacoma, WA

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MI Windows and Doors

Gratz, PA

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Pella, IA

PGT Industries

N. Venice, FL

Ply Gem Windows

Cary, NC

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Simonton Windows

Columbus, OH

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Soft-Lite Windows

Streetsboro, OH

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Sunrise Windows

Temperance, MI

Vinylmax Windows LLC

Hamilton, OH

VKR Holdings A/S VELUX

Hoersholm, Denmark

Windsor Windows

West Des Moines, IA

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