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Replacement methods · Winnipeg

Retrofit, full-frame or just a new sealed unit?

A tired window can be fixed three ways: replace only the sealed unit, fit a retrofit insert inside the old frame, or strip it back to the rough opening and start again. Each suits a different problem. We connect you with local glass and window pros who check the frame before recommending one, and who'll say so when the smallest fix is enough.

  • Glass, insert or full-frame, compared evenly
  • Photo-first quotes from local pros
  • Plain answers on what the rebate covers
Bedroom with a white retrofit insert window set inside the original stained wood frame and sill
A retrofit insert: the new white window sits inside the original stained frame and sill.

Three options

Three ways to fix a bad window

Less work costs less, but only if the part you keep is sound. Our repair-or-replace guide goes deeper.

A new sealed unit

Only the glass changes. Frame, sash, hardware and trim stay. It's the fix for fog or a crack when the rest of the window is fine.

A retrofit insert

The old sash and glass come out and a complete new window, with its own frame, is fitted inside the old frame. Interior trim usually stays.

Full-frame replacement

The old window comes out down to the rough opening, the framed hole in the wall. The new one is sealed to the house, with new trim.

Glass only

Sealed unit replacement: when only the glass has failed

A sealed unit is the glass part of the window: two or three panes sealed around the edge with a dry space between. A failed seal fogs; a stone or hailstone cracks it. Either way, the unit can usually be replaced on its own.

A new unit is made to size and set into the existing sash. See broken glass and new sealed units for the details, or foggy windows if yours has clouded.

It stops being the right call when the frame is soft, air leaks around the outside of the window, or the same window is on its second or third unit.

Insert windows

Retrofit (insert) windows: how they work, pros and trade-offs

A retrofit window is a complete new window built to fit inside the old frame. You gain a tidy install with no new drywall. You give up a little glass, and an insert over rot just hides the rot.

  1. Measure

    Each opening is measured at several points, and the insert is ordered to the tightest one.

  2. Remove the sash and glass

    The old frame and trim stay put.

  3. Set, insulate and cap

    The insert is shimmed level and foamed, and the old frame is capped outside.

Close-up of white aluminum capping wrapping an old window frame around a new retrofit window, with sealant lines
Aluminum capping covers the old frame; the sealant lines against the stucco keep water out.

Quick guide

Which fix fits the symptom

A starting point, not a diagnosis. The pro confirms on site.

What you seeUsually fixed byWhen to go further
Fog or haze between the panesA new sealed unitRetrofit if several units in the window are failing
Cracked glassA new sealed unitFull-frame if the impact damaged the frame
Draft at the opening sashNew weatherstripping or hardware repairRetrofit if the sash is warped
Draft around the frame or trimFull-frame, so the gap to the wall can be sealedAlready the full fix
Soft or rotted sill or frameFull-frameRetrofit only if minor rot is repaired first
Out-of-square openingRetrofit, measured carefullyFull-frame if the frame is badly twisted

Starting over

Full-frame replacement: when the opening needs to be rebuilt

Full-frame is the choice when the frame is rotten, when air and water get in around the window, or when you want a different size or style. It also shows what's behind the trim; in older Winnipeg houses that's sometimes missing insulation.

It costs more, since trim and finishes are redone. Same-size replacement doesn't need a City building permit, though the work must meet code (City of Winnipeg). Heritage-listed homes and heritage conservation districts may need a heritage permit. For styles and glass, see replacement windows.

Insert replacement window inside an old frame beside a full-frame replacement window
Left: an insert fitted inside the old frame. Right: full-frame, with the old frame gone and the new window set in the rough opening.

What affects the quote

What makes retrofit or full-frame cost more or less

A sealed unit is the smallest job and full-frame the largest, but the house decides the details:

  • The method: glass only, retrofit insert or full-frame
  • Size, style and number of windows
  • Triple or double pane
  • Exterior finish: siding, stucco and brick take different work
  • Capping outside and new casing inside
  • What turns up once the old window is out, such as rot

Photos from inside and outside, with a close-up of the sill, let a pro say which method fits before visiting.

Ask which method fits

Free quotes from independent local pros.

Rebate rules

Rebate rules: what Efficiency Manitoba excludes

The window rebate is run by Efficiency Manitoba, not Manitoba Hydro. It pays for ENERGY STAR certified triple-pane windows and doors with an NRCan reference number, and it excludes glass inserts without a full frame and NRCan number.

So a new sealed unit earns no rebate, however good it is, and a full-frame triple-pane window can. A retrofit insert sits in between: it's a complete window with its own frame, set inside your old one. Confirm with Efficiency Manitoba whether a certified insert qualifies before you choose. Our rebate guide covers the paperwork.

Questions

Retrofit and full-frame questions

Explore your options

Local pros quote glass, retrofit and full-frame work across the city and nearby, including Wolseley & Armstrong's Point, River Heights, St. Vital, North Kildonan and Selkirk.

Send photos of the frames, inside and out

A picture of each window inside and out, plus a close-up of the sill, shows whether you need glass, an insert or full-frame. We pass your photos to an independent local pro, who follows up with a quote.