Window Abbreviations and Acronyms
- VLTVisible Light Transmittance
- VLTVisible Lightgtransmitted
- VTVisual Transmittance
- WCWorld Coordinates
- WCAAWindow Covering Association of America
- WFCPWindow Fashions Certification Program
- WFCPWindow Fashione Certified Professional
- XHEExtra Heat Exchanger
- ZRZfom Region
- a/cAir Conditioner
- ACRAir Conditioner
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