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Replacing Thermopane Glass | Cost and Information

When a thermopane window cracks or has a broken seal, call than Glass Doctor®. We offer same-day, emergency replacement services. Our certified professionals will perform a free, in-home consultation and provide an upfront quote for your window replacement. Call us today at 855-603-1919 to schedule a consultation today.

How Much Does Thermopane Glass Replacement Cost?

Thermopane GlassThe price to repair glass varies based on the labor required to remove the damaged glass from the window, replace it and restore the seal. Factors include:

  • Whether the whole window needs to be replaced
  • Whether a single pane replacement will complete the job
  • The condition of the window seals
  • The condition of the window structure

Glass Doctor provides a quote after your in-home consultation and will replace your thermopane glass for less than you might think.

What Is Thermopane Glass?

Thermopane glass is an industry term for double- or triple-paned windows, known as insulated glass units. Insulated windows have two or three panes separated by spacers to create an air pocket between. The panes are sealed to protect the pocket, which is sometimes filled with argon gas to help reduce heat loss. 

Insulated glass windows are framed in vinyl or wood, and occasionally aluminum.

Double-Pane Window Cross Section


Reasons to Replace Thermopane Glass


If your thermopane window gets foggy, the seal on one of the panes has broken. Windows are constantly expanding and contracting. Those that get the most direct sunlight tend to experience seal failure. Interestingly enough, vinyl frames also seem to be a factor because of their expansion properties.

A broken seal may seem cosmetic, but if moisture's getting in, heat and AC are getting out. We will evaluate your window and see if the glass damage constitutes a repair or replacement.

Aging Windows

If you have single or double pane windows, you might want to consider replacing them. Older single-pane windows can cause an increase in HVAC costs. Aging windows also require constant caulking and sealing. Regardless of the type, we can replace any window for lower than you might think.

Here are a few reasons to consider replacing your windows: 

Reasons to Replace Your Thermopane Glass Windows Infographic

Save 15% Off the Cost of Replacement

Glass Doctor offers our customers an Advantage Plan® subscription. Sign up and save 15% on your glass purchases. Other benefits include:

  • Priority scheduling for storms and emergency repair
  • Measurements taken and kept on hand
  • Glass breakage guarantee (natural disaster exception)

Call Glass Doctor Today

Our reputation is built on the quality of service we provide. Need to know the cost to replace your thermopane glass? Give us a call at 855-603-1919.



Int'l Association of Certified Home Inspectors:

Vitro Window Glass:

Glass Doctor installed the most perfect shower enclosure I've ever seen. Ahead of schedule, on budget, exactly what was ordered! This was a GREAT deal. Thank you.

— Dennis B.

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