Business Details
50+ Years
experience
Your Trusted Source for Custom Windows and Doors in Pittsburgh
Thermo Twin Windows has been a trusted name in window and door solutions since 1972, rooted in Pittsburgh, PA. Originally established as a glass supplier, we evolved into a premier manufacturer and remodeling company through decades of dedication to quality and innovation. As a 100% employee-owned business, every team member takes personal pride in crafting windows and doors that combine cutting-edge technology with timeless design. Our locally manufactured products utilize state-of-the-art equipment and premium materials, ensuring durability and energy efficiency. Our installation teams, trained to the highest standards, prioritize cleanliness and care during every project.With over 50 years of experience, we serve Pittsburgh and Erie, offering personalized service and free estimates. Our commitment to excellence is reflected in hundreds of five-star reviews and a reputation for reliability. We support local partners and take pride in being part of the communitys industrial legacy. Our employee ownership model drives us to exceed customer expectations in every interaction. From initial consultation to final installation, we deliver solutions tailored to homeowners unique needs.
Services
Double Hung Windows
Slider Windows
Casement Windows
Sunrooms
Entry/Patio Doors
Details
- Year established: 1972
Highlights and features
- 50+ years of experience in window and door manufacturing
- 100% employee-owned company with personal accountability
- Locally manufactured products using premium materials
- Professional installation teams with meticulous attention to detail
- Free 36-month financing available through Synchrony Bank
What people say
Professional installers
Great customer support
Energy-efficient windows
Timely completion
Exceptional quality
Services
Double Hung Windows
Double-hung windows combine classic architectural charm with modern energy efficiency. Our vinyl windows feature dual weather stripping for air infiltration protection, easy-to-clean sashes, and 7/8 insulated glass. Designed for durability and aesthetic appeal, they enhance home comfort while reducing energy costs. Available in standard and equal-lite configurations for customized fit.
Casement Windows
Casement windows offer superior ventilation and security with their crank-operated design. Triple weather-stripping creates a tight seal against wind and noise, while the multipoint locking system enhances security. Our vinyl casement windows include full interior screens and silicone-glazed glass for maximum energy efficiency and durability in all weather conditions.
Sunrooms
Custom sunrooms provide year-round living spaces with energy-efficient construction. Designed to complement existing architecture, our sunrooms feature durable vinyl frames, insulated glass packages, and seamless integration with home exteriors. Ideal for relaxation or entertaining, they add functional square footage while maintaining temperature control through advanced glazing technology.
Entry/Patio Doors
Custom entry and patio doors enhance home security and curb appeal. Constructed with reinforced frames and multi-point locking systems, our doors offer superior insulation and durability. Available in vinyl or wood-composite options, they feature customizable glass inserts and weather-resistant thresholds to prevent air and water infiltration while maintaining aesthetic harmony with window systems.
Picture Windows
Picture windows create unobstructed views with their fixed-pane design. Fusion-welded vinyl frames ensure structural integrity, while 7/8 insulated glass provides thermal efficiency. Available in 1-1/2 and 2-1/2 frame profiles, these windows incorporate silicone glazing to prevent air and insect infiltration. Ideal for highlighting architectural features or scenic outdoor vistas without compromising energy performance.
Questions
What areas do you serve?
We serve Pittsburgh and Erie, PA, with local manufacturing and installation teams providing personalized service throughout Western Pennsylvania.
Do you offer financing options?
Yes, we provide 36-month financing through Synchrony Bank with approved credit. Financing applies to retail division sales and cannot be combined with other offers.
Are your windows energy-efficient?
All our vinyl windows feature dual weather stripping, silicone glazing, and 7/8 insulated glass to maximize energy efficiency and reduce utility costs.
What makes you different from competitors?
As a 100% employee-owned company since 1972, we combine local craftsmanship with advanced manufacturing technology for superior quality and personalized service.
Do you provide free estimates?
Yes, we offer free in-home consultations to discuss window and door options, provide personalized pricing, and explain our installation process with no obligation.
What warranties do you offer?
We provide industry-leading warranties covering materials, workmanship, and glass performance. Specific terms vary by product line and are detailed during the consultation process.
