Top 25 Energy Efficient Window Manufacturers

ReplacementWindowsForDummies.com 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, www.ReplacementWindowsForDummies.com 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)

TOP 25 WINDOW MANUFACTURERS