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$5

Insulate existing windows with a single glazing layer

$8

per square foot

SpacerStix add extra insulating airspace 

$12

per square foot

per square foot

Add a second glazing layer + turn buttons 

Make life even more comfortable!

Everything previously mentioned plus

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Retrofit applications with budget pricing

Try-One Kits

New to WonderWindow? Try a retrofit kit. Comes with cut-to-measure acrylic sheet and our special double stick tape. 

Request a Quote

Fill out the form below to get a customized quote. 

Have larger windows?

Ready to retrofit all of your windows?

Unsure about what you need? 

Thank you! We will get back to you soon.

Get Quote
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