Bow and Bay Windows

Bring more natural light, better views, and a hint of sophistication to any room with bay and bow windows from ClimateGuard. Our bow and bay windows feature angular lines and flat planes, creating a contemporary feel. Because our windows are manufactured in our Chicago facility, Chicagoan homeowners and contractors can feel good knowing that they’re supporting the local economy rather than a national chain.


ClimateGuard bow and bay windows feature excellent insulating value and weather resistance for energy efficiency you won’t find in other products. Their vinyl construction and fully welded sashes and frames require little maintenance and no painting, staining, or refinishing. Their sleek design and sturdy materials keep these windows looking great inside and out for years to come.
  • Replacement or New ConstructionLow Maintenance
  • Custom SizesSuperior insulating value
  • Custom Sizes Excellent weather resistance
  • Custom SizesGreater strength and durability


Our bay and bow windows are available in a variety of product lines to meet your design and performance needs as well as your budget. Choose the product line that’s right for you in the list below.

Competitively Priced, Low Maintenance Vinyl
  • Most affordable option
  • Standard construction & design features with quality craftsmanship
  • Easy care vinyl

Stronger & More Durable, Quality Vinyl
  • Superior Durability
  • Our most popular design features & options deliver a more quality look
  • Exceptional Energy Efficiency

Top-of-the-line Performance & Customization
  • Industry leading energy efficiency, structural & thermal performance
  • Virtually impervious to weather conditions
  • Design pressure rating of DP50

ThermaForce Bay & Bow Windows Coming Soon





Quality, Durable Vinyl

Quality Laminate

Low Maintenance

Interior Finishes

2 solid vinyl extrusion colors

2 solid vinyl extrusions colors, 1 wood finish

3 solid vinyl extrusions colors, 3 wood finishes

Exterior Finishes

2 solid vinyl extrusion colors

2 solid vinyl extrusion colors, 3 paint colors

3 solid vinyl extrusion colors, 1 laminate


.24 U-Factor

.21 U-Factor

.19 U-Factor

Thermal Performance