3039 Grand Ave. Suite B

(406) 656-9091

406 Window Co.

Bringing light into people's lives since 1995

The Best Windows in Billings

Glo (European Aluminum)


Optional triple-pane glass. Airtight seals. Large curtain walls. Creative shapes. Tilt & Turn openings. Lift & Slide doors. Grounded in contemporary style and bomb-proof construction, Glo is simply the king of windows and doors. 

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Sierra Pacific Windows


Sierra Pacific windows are sustainably manufactured in California and Wisconsin, from the forest to the finished window frame.  Among a host of other features, Sierra Pacific offers the thickest, most hail-resistant extruded aluminum cladding in the industry. 

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Alpen Fiberglass Windows

Alpen Fiberglass window provider in Billings, MT

These Colorado-made, premium fiberglass windows are highly resistant to hail, and available in triple- and quad-pane for extreme energy efficiency. Whether you’re looking for high performance windows or specialty shapes, Alpen can meet your needs.  

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Coeur D'Alene Windows

Coeur D' Alene vinyl window provider in Billings, MT

Rigid, multi-chamber frames with fusion-welded corners are highly resistant to air and water infiltration. Standard with low-E and argon. Enough quality for a custom home at a price that’s remodel-friendly. 

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Velux Skylights

Velux Skylights provider in Billings, MT

Velux curb-mount skylights are guaranteed against leaks. Flood your rooms with light while sealing the weather out. Natural light breathes life into your living space, amplifying the spaciousness of your rooms.  

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Provia Patio Doors


Swing by our shop to feel the buttery operation of this premium vinyl patio door. Available in white and beige, with or without in-glass blinds. Attention to detail, as well as stunning energy efficiency, set this door apart from the pack at 406 Window Co. in Billings.

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