Measuring, manufacturing of frames and sashes, insulated glass units, assembly, and quality control inspection are all done at our Pittsburgh facility from locally sourced materials. Installation is done by our own experienced crews of highly trained professionals. Thermo-Twin is an Employee Owned company, and we take pride in providing complete customer satisfaction.
Thank you for visiting! Thermo-Twin Windows has been providing window solutions to the Pittsburgh and Erie regions for close to 50 years. Founded in 1972, we've evolved from being a glass supplier to the window manufacturer and remodeling company that we are today. Our expertise is in designing, manufacturing and installing windows, sunrooms, doors, and patio rooms.
We're proud to be an employee-owned company, and we've made it our priority to deliver quality products made locally in Pittsburgh, PA. This website has been designed using larger, high-contrast text and graphics to assist those with visual impairments. Use the Ctrl key along with your mouse wheel to adjust size.
Thank you for visiting! Thermo-Twin Windows has been providing window solutions to the Pittsburgh and Erie regions for close to 50 years. Founded in 1972, we've evolved from being a glass supplier to the window manufacturer and remodeling company that we are today. Our expertise is in designing, manufacturing and installing windows, sunrooms, doors, and patio rooms.
We're proud to be an employee-owned company, and we've made it our priority to deliver quality products made locally in Pittsburgh, PA. This website has been designed using larger, high-contrast text and graphics to assist those with visual impairments. Use the Ctrl key along with your mouse wheel to adjust size.
Services
Vinyl Windows
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At Thermo-Twin, we only manufacture with vinyl extrusions which were created from 100% virgin vinyl.
In doing this, we at employee owned Thermo-Twin guarantee from day one your windows or doors, whether bright white, tan, or brown, will be a beautiful addition to your home.
All insulated glass units are manufactured at Thermo-Twin using state-of-the-art Lisec equipment and incorporating the Super Spacer(R) glass sealing system.
Super Spacer(R) equips windows with "warm edge" technology, which maximizes overall energy efficiency.
In doing this, we at employee owned Thermo-Twin guarantee from day one your windows or doors, whether bright white, tan, or brown, will be a beautiful addition to your home.
All insulated glass units are manufactured at Thermo-Twin using state-of-the-art Lisec equipment and incorporating the Super Spacer(R) glass sealing system.
Super Spacer(R) equips windows with "warm edge" technology, which maximizes overall energy efficiency.
Double Hung Window
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A concern for many homeowners is how their new windows will look.
Double hung Windows are designed with beauty in mind.
This model comes equipped with a beveled exterior to add architectural complexity and aesthetic appeal.
Double hung vinyl windows operate with superior functionality, made possible by the incorporation of moveable window sashes.
These sash components are available in two configurations, standard non-equal lite and equal lite.
These vinyl sashes operate by tilting inward for easy cleaning.
Double hung Windows are designed with beauty in mind.
This model comes equipped with a beveled exterior to add architectural complexity and aesthetic appeal.
Double hung vinyl windows operate with superior functionality, made possible by the incorporation of moveable window sashes.
These sash components are available in two configurations, standard non-equal lite and equal lite.
These vinyl sashes operate by tilting inward for easy cleaning.
Slider Window
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Thermo-Twin's slider windows are crafted with precision and are strong enough to stand the test of time.
The slider series of windows incorporates the use of an overlap for a clean fit and finish with the window jamb, as well as integrating composite reinforcement to ensure maximum product strength.
And for customization, our slider windows have subtle accessory grooves to allow you to install trim or any of our selection of compatible window accessories.
Quality glass components make your windows stand out.
The slider series of windows incorporates the use of an overlap for a clean fit and finish with the window jamb, as well as integrating composite reinforcement to ensure maximum product strength.
And for customization, our slider windows have subtle accessory grooves to allow you to install trim or any of our selection of compatible window accessories.
Quality glass components make your windows stand out.
Casement Window
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Beauty most definitely comes to mind when you consider purchasing new windows.
Thermo-Twin casement windows offer various aesthetic features.
These windows are designed for use as either replacement or new construction windows and are available in Operating Left, Operating Right or Fixed configurations.
Additionally, the beveled exterior adds an element of elegance.
Our vinyl casement windows are crafted with one, two or three moveable window sashes.
Sashes are fusion welded at each corner to ensure proper squaring and fit of each window into its opening.
Thermo-Twin casement windows offer various aesthetic features.
These windows are designed for use as either replacement or new construction windows and are available in Operating Left, Operating Right or Fixed configurations.
Additionally, the beveled exterior adds an element of elegance.
Our vinyl casement windows are crafted with one, two or three moveable window sashes.
Sashes are fusion welded at each corner to ensure proper squaring and fit of each window into its opening.
Picture Window
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You put so much effort into your home and its appearance; we do the same with our windows.
Thermo-Twin vinyl picture windows are designed for both replacement and new construction purposes and incorporate a beveled exterior to enhance product appearance.
To make new construction installation a snap, our windows come with a pre-punched nailing fin.
Picture windows are available in two profiles to suit your needs: 1-1/2 and 2-1/2 frame configurations.
Vinyl picture windows are designed with a single window sash.
Thermo-Twin vinyl picture windows are designed for both replacement and new construction purposes and incorporate a beveled exterior to enhance product appearance.
To make new construction installation a snap, our windows come with a pre-punched nailing fin.
Picture windows are available in two profiles to suit your needs: 1-1/2 and 2-1/2 frame configurations.
Vinyl picture windows are designed with a single window sash.
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