Foggy window & sealed unit replacement · Ottawa & Gatineau
Fog, haze or condensation trapped between the panes usually means the thermos — also called a sealed unit or insulated glass unit (IGU) — has failed. CGR replaces that complete glass unit while keeping the existing sash and frame when they are still sound.
Glass replacement, frame kept
If the glass in your window has cracked or fogged up, you may not need a full window replacement. Send a quote request or call us to discuss replacing the glass while keeping a sound window frame.
Modern insulated windows are made from two or three panes sealed around a spacer. When that factory seal fails, humid air enters the unit and leaves haze, droplets or mineral marks that cannot be wiped from either side. Condensation on the room-side surface can have other causes; moisture trapped between panes is the strong sign of a failed sealed unit.
Homeowners and contractors use several names for the insulated glass inside a window: thermos, sealed glass unit, double-pane unit, triple-pane unit or IGU. These terms describe the glass assembly inside the sash, not the full frame. CGR measures and replaces that assembly to match the existing opening.
A fogged pane does not automatically mean you need a whole new window. When the sash and frame are in good condition, replacing only the sealed glass unit can restore a clear view and the window’s insulating performance. We confirm what is appropriate for your window before work begins.
The replacement unit is specified for the existing sash: overall thickness, spacer width, double or triple glazing, safety glass where required, and available Low-E coating or argon options. The right specification depends on the original window and what its frame can accept, so we verify it during the at-home measurement.
Price depends on the glass dimensions, double versus triple pane construction, coatings, tempered-glass requirements, decorative grilles and access. We measure first and provide a clear quote before a custom unit is ordered; no generic online number can account for every combination accurately.
Send the project details online or call us. Photos are strongly recommended and measurements are optional. We review your request, email your quote within 24 to 48 hours, and arrange an at-home measurement if it is needed.
If the fog, moisture, or streaking is trapped between the panes and cannot be cleaned from the inside or outside surface, the insulated glass seal has likely failed.
Yes. Thermos, sealed unit and IGU are common names for the insulated glass assembly inside the sash. CGR replaces that complete assembly when its seal or glass has failed.
Yes, when a compatible replacement unit can be made for the existing sash. We verify the total thickness, spacer, glass type and frame condition before quoting.
Not always. If the existing sash and frame are sound, the sealed glass unit can often be replaced on its own. We assess the window before confirming the solution.
Send a no-obligation request online or call us. Photos are optional, and we will arrange an at-home measurement if it is needed before preparing your quote.
