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Free in-home estimates across Montreal · ENERGY STAR® windows and doors installed by our own crews
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Replacement · Efficiency

Montreal energy-efficient window replacement — ends the cold-glass draft

ENERGY STAR triple-pane windows with Low-E coatings and argon fill cut the heat your glass leaks all winter, so the heating system cycles less and your energy bill drops by spring.

  • Every opening measured on-site
  • Full air-seal on every unit
  • Written frame + sealed-glass warranty
Energy-efficient triple-pane window replacement in Montreal

Why it matters

Triple-pane warmth you feel and see

Triple-pane glass with Low-E coatings and argon fill sharply cuts the heat your windows leak all winter — three panes and two low-emissivity layers push warmth back inside while the sealed argon gaps slow conduction. Most Montreal homeowners feel it the first cold snap: no cold-glass draft by the couch, no frost on the pane, a heating system that cycles less.

You see it on the Hydro bill by spring. Compared with a single-pane upgrade the gain is bigger still, and pairing efficient glass with a proper full-frame replacement air-seals the whole opening.

Ask about ENERGY STAR models built for our climate zone — many qualify for rebates, and we handle the paperwork. See every replacement option or book a free in-home estimate.

Recent install
Energy-Efficient Replacement — Montreal
Energy-Efficient Replacement detail

How it works

Four steps from free measure to efficient install

  1. Book the estimate

    Call, text or use the form. We book a free in-home visit — no obligation, no high-pressure sales table.

  2. On-site measure

    We measure every opening, check the frames and sills for rot or water damage, and walk through material, style and glass options in plain language.

  3. Written quote

    Line-item quote with the window line, glass package, U-factor, warranty and haul-away on one page. Financing attached when you want it.

  4. Install, cleanly

    Drop cloths, boot covers and a full air-seal on every unit. Old windows hauled away and a walkthrough of your new windows plus warranty registration.

What you get

Lower Hydro bills, quieter, drier rooms

Efficient glass does more than save heat: the same panes and mass that block heat loss also cut outside noise, so a busy street gets noticeably quieter, and the warm inner surface sharply reduces the condensation that soaks sills and grows mould on old windows.

We size the glass package to each wall so you get performance where it counts, file the rebate paperwork for qualifying upgrades, and register a written frame-and-glass warranty. Weigh it against a retrofit replacement, add casement windows for airflow, or fix a foggy sealed unit at the same visit.

Energy-Efficient Replacement detail
Triple-pane Low-E Glass
We file them Rebates
In writing Warranty

Related services

More Montreal window replacement options

Other services our crews handle across Montreal.

Common questions

Montreal energy-efficient replacement, answered

Triple-pane value, rebates and real heating savings.

For most Montreal homes, yes. Triple-pane Low-E glass with argon noticeably cuts the cold-glass draft, lowers heat loss and reduces the condensation that forms on the coldest mornings — the difference is biggest on north- and west-facing walls that take the wind and in rooms where you sit near the glass. It is not automatically right for every single opening, so at the estimate we show you the U-factor gain and the price gap side by side and let you decide room by room, rather than selling one spec across the whole house.
Many ENERGY STAR® windows qualify for manufacturer promotions or efficiency-program rebates, and the specific programs and amounts change from year to year. We keep track of what is current, identify which of your chosen units and glass packages are eligible, and file the paperwork for you so you actually capture the savings instead of leaving them on the table. We will lay out any available rebates in the written quote so you can see the net cost, not just the sticker price.
Savings vary by home — it depends on how leaky your current windows are, how many you replace, your home's heating system and how you keep it — so we will not promise a specific percentage. What is consistent is that swapping old, single- or drafty double-pane windows for triple-pane glass makes a clear, felt difference on Montreal winter bills and comfort. The biggest gains come from replacing the worst offenders first: the drafty, frosted, north-and-west units. We can help you prioritize if you are phasing the work.
Look at the U-factor — the lower the number, the less heat it loses. We show the U-factor for each glass package so you can compare like for like.
Start with the worst offenders — the drafty, frosted, north- and west-facing units — for the biggest comfort and bill gain, then phase the rest.

Real Montreal reviews

What Montreal homeowners say after install day

★★★★★ 4.9 · 118 reviews on Google
★★★★★

Whole-home triple-pane and we felt the difference the first cold snap. The heating bill dropped noticeably by spring.

B. Lefebvre
Homeowner, Montreal
★★★★★

No more cold-glass draft by the sofa and way less condensation on cold mornings. They filed the rebate paperwork too.

K. Brar
Homeowner, Laval
★★★★★

Warmer rooms and a quieter house. They sized the glass to each wall instead of overselling us one spec everywhere.

S. Tremblay
Homeowner, Longueuil
★★★★★

The heating system cycles far less now. Honest advice on where triple-pane paid off and where it was not needed.

J. Mensah
Homeowner, Gatineau

From the blog

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Ready when you are

Get your Montreal energy-efficient replacement quote in writing

Book a free in-home measure and a written, itemized quote for energy-efficient window replacement anywhere across Montreal and the surrounding towns. Triple-pane, Low-E, ENERGY STAR® glass, rebate paperwork filed for you, and a written warranty — installed by our own crews. No subcontractors, no pressure.

Locally owned · Insured · ENERGY STAR® · Free written estimates