Business Details
50+ Years
experience
Custom Windows & Doors in Pittsburgh | Thermo Twin Windows
Thermo Twin Windows has been a trusted leader in window and door solutions for over 50 years, serving the Pittsburgh region since 1972. Originally established as a glass supplier, we evolved into a premier manufacturer and remodeling company through decades of innovation and dedication. As a 100% employee-owned business, every team member takes personal pride in crafting high-quality windows and doors using state-of-the-art technology and locally sourced materials. Our commitment to excellence extends to professional installation, with crews trained to protect customer property and maintain clean workspaces. We specialize in custom vinyl, wood, and energy-efficient windows, including double-hung, slider, casement, and bay designs, alongside sunrooms and entry doors.Our locally manufactured products combine superior durability with aesthetic appeal, backed by a 36-month financing option and a proven track record of customer satisfaction. With facilities along the Allegheny River, we remain deeply rooted in our community, supporting local partners while delivering tailored solutions for residential needs. Our BBB-accredited status and 4.94/5 rating reflect our unwavering focus on quality, transparency, and customer-centric service.
Services
Double Hung Windows
Slider Windows
Casement Windows
Picture Windows
Awning Windows
Bay/Bow Windows
Wood Windows
Super Spacer Technology
Entry/Patio Doors
Sunrooms
Details
- Year established: 1972
Highlights and features
- We have over 50 years of experience in window and door manufacturing.
- Our 100% employee-owned model ensures personal accountability and pride in workmanship.
- Locally manufactured products using state-of-the-art technology and premium materials.
- Professional installation teams trained to protect your property and maintain cleanliness.
- Awarded 4.94/5 stars by the Better Business Bureau for customer satisfaction.
Associations and certifications
- Better Business Bureau
What people say
Great professional installation
Friendly staff
High-quality products
Excellent customer service
Pride of ownership
Services
Double Hung Windows
Double hung windows feature two sashes that slide vertically for easy operation. Our energy-efficient designs combine durability with classic aesthetics, offering superior insulation and low-maintenance vinyl frames. Ideal for homeowners seeking timeless style and improved energy efficiency.
Casement Windows
Casement windows open outward with a crank mechanism, providing maximum ventilation and unobstructed views. Our custom-crafted units use advanced sealing technology for enhanced energy efficiency and weather resistance, perfect for modern and traditional homes alike.
Bay/Bow Windows
Bay and bow windows extend outward to create additional interior space and natural light. Our designs incorporate durable vinyl frames and energy-efficient glass packages, transforming rooms into bright, inviting spaces with architectural interest.
Super Spacer Technology
Super Spacer technology uses warm-edge insulating systems to reduce heat transfer and condensation. This innovative solution improves thermal performance while maintaining structural integrity, ensuring year-round comfort and lower energy bills for homeowners.
Sunroom Additions
Custom sunrooms provide four-season living spaces with panoramic views and natural light. Our designs integrate durable framing and energy-efficient glazing systems, creating comfortable, low-maintenance additions that enhance home value and expand living areas.
Questions
What services does Thermo-Twin offer?
We specialize in custom window and door manufacturing, installation, and sunroom additions using locally sourced materials and advanced technology.
Are Thermo-Twin windows energy-efficient?
Yes, our windows feature Super Spacer technology and energy-efficient glass packages to reduce heat transfer and improve insulation.
Is Thermo-Twin BBB accredited?
Yes, we maintain a 4.94/5 rating with the Better Business Bureau for exceptional customer service and quality workmanship.
Do you offer financing options?
Yes, we provide 36-month financing through Synchrony Bank for approved customers on select products.
What areas do you serve?
We serve Pittsburgh and Erie, Pennsylvania, with local manufacturing and installation teams in both regions.
How can I schedule a free estimate?
Contact us at 800-641-2211 or through our website to arrange a no-obligation consultation with our window experts.
