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Window Replacement and Thermopane or Seal Units

Restore Efficiency, Comfort, and Clarity

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Sealed Unit & Thermopane Replacement

Not all windows today have Thermopane or sealed units (insulated glass units, IGUs). However, double-glazing (or even triple-glazing in some colder climates) has become more standard in many regions due to its superior thermal performance, energy savings, and other benefits such as noise reduction. 

A foggy, cracked, or inefficient window can compromise your home’s comfort and energy efficiency. Centennial Glass specializes in sealed unit (also known as thermopane) replacement, providing an affordable and effective solution to revive your windows without installing a new window.

Signs You Need a Sealed Unit Replacement

  • Condensation or Fogging: If your windows are foggy or show condensation between the panes, it’s a sign the seal has failed, compromising insulation.
  • Cracked or Broken Glass: Visible damage to the glass can affect the performance and appearance of your window.
  • Higher Energy Bills: If your heating and cooling costs are rising, damaged or inefficient windows could be the culprit.

While the trend is moving towards more energy-efficient windows, which often means double or triple-glazed options, there are still scenarios and places where single-pane windows are used or retained. Talk to Centennial Glass today about replacing or repairing your older windows. We can extend the life span of your windows and save you money.

The Benefits of Thermopane Replacement

  • Energy Efficiency: Replacing your failed sealed units restores your windows’ insulating properties, helping lower your energy consumption and keep your home comfortable year-round.
  • Cost-Effective: Instead of replacing the entire window, sealed unit replacement targets only the affected glass panes, saving you time and money.
  • Clear Views: Enjoy crystal-clear views again by replacing foggy or damaged panes, and improve the overall look of your home.
Window Repair
Residential Windows
What is a Sealed Unit?

A sealed unit consists of two or more glass panes separated by an insulating air or gas-filled space, often called “thermopane” glass. These windows are designed to enhance insulation, reduce energy costs, and improve the comfort of your home or business.

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