Rénoclimat 2026: How to Apply for Quebec Window Rebates

Rénoclimat is the largest residential energy rebate program in Quebec, and replacing tired single-pane or builder-grade windows is one of the fastest ways to tap into it. With heating accounting for more than half of a typical Montreal home’s energy bill, the right upgrade pays back twice — once in the rebate cheque, and again every winter after. Here is exactly how the program works in 2026 and how to claim every dollar you qualify for.

What Rénoclimat Covers in 2026

Rénoclimat is Quebec’s flagship residential energy retrofit program, administered through the government’s Transition énergétique branch. It rewards homeowners for measurable improvements to a home’s thermal envelope — insulation, air sealing, heating systems, and, of course, windows and doors. The program is built around a before-and-after energy evaluation, so the rebate you receive is tied directly to the efficiency gain you actually achieve.

For windows specifically, Rénoclimat pays up to $150 per rough opening in 2026 when you replace older units with ENERGY STAR-certified models that meet Zone D requirements — the climate zone covering Greater Montreal, Laval, Longueuil and the South Shore. A typical Montreal duplex with 14 to 18 openings can therefore recover roughly $2,100 to $2,700 in window rebates alone, before any federal top-up.

The program is not limited to windows. The same evaluation can unlock rebates on exterior doors, attic and basement insulation, and air-sealing work. Many homeowners schedule their window replacement alongside an insulation upgrade so a single $320 evaluation covers several rebate-eligible measures at once — a smart way to stretch the value of the inspection fee.

Eligible Products and Conditions

Not every window on the market qualifies. The rebate is reserved for high-performance units that demonstrably reduce heat loss, and the conditions are checked against the energy advisor’s report. Before signing a contract, confirm the exact product codes with your installer and make sure they appear on your written quote.

• ENERGY STAR certified for Zone D — the coldest Canadian zone tested, covering all of Greater Montreal
• A U-factor (USI) of 1.40 W/m²·K or lower, which usually means double or triple glazing with a Low-E coating and argon fill
• Replacement of windows roughly 20 years or older, or any single-pane or non-certified units
• Installation by a contractor holding a valid Quebec RBQ licence — verify the number on the Régie du bâtiment website
• An itemized invoice showing the product model, quantity, and installation date for each opening

Step-by-Step Application

The order of operations matters more than anything else in Rénoclimat. The single most common reason homeowners lose their rebate is installing windows before the first energy evaluation — the advisor has nothing to compare against, and the file is rejected. Follow these steps in sequence.

• Register on the Transition énergétique Québec portal and book your pre-renovation energy evaluation (about $320, with a portion refunded once you complete eligible work)
• Have the certified advisor inspect the home and produce your baseline EnerGuide report — do not start any work before this visit
• Get a quote from an RBQ-licensed installer that lists the eligible ENERGY STAR product codes for each opening
• Complete the installation, keeping all invoices, product labels, and the contractor’s RBQ number
• Book the post-renovation evaluation so the advisor can document the efficiency improvement
• Submit the complete file through the portal and receive your rebate cheque, typically within 6 to 10 weeks

How Much You Can Actually Save

The headline figure is $150 per rough opening, but the real-world total depends on how many windows you replace and whether you bundle other measures. A modest bungalow replacing 10 windows recovers about $1,500; a larger detached home doing 20 openings can approach the $3,000 mark from Rénoclimat alone.

Layered on top of the rebate are the recurring energy savings. Swapping leaky 1990s aluminum or builder-grade vinyl for certified triple-pane units typically trims 8 to 15 percent off a home’s heating load. For a household spending $1,800 a year on heating, that is roughly $150 to $270 saved every single winter — money that compounds over the 30-to-40-year life of quality windows.

There is also a quieter benefit that does not show up on a cheque: comfort. Cold-glass downdrafts and condensation along the sash disappear, rooms hold their temperature longer, and the furnace cycles less often. Many Quebec homeowners tell us the comfort difference is what they notice first, long before the heating bill arrives.

Stacking with Federal and Utility Programs

Rénoclimat is designed to be combined with the federal Canada Greener Homes Initiative, which can add up to $5,000 for eligible envelope improvements including windows, doors, and insulation. Because both programs rely on the same EnerGuide evaluation framework, a single qualified energy advisor can often serve both files, sparing you a second inspection.

Hydro-Québec also runs its own efficiency incentives from time to time, and some municipalities offer modest top-ups for heritage or eco-renovation projects. The combined effect is significant: stacked correctly, the public programs can cover a meaningful share of a full-home window replacement.

The paperwork is the only real hurdle, and it is one most reputable installers handle for you at no charge. To see how a financed project pairs with these rebates so you can spread the remaining balance over manageable payments, visit our financing options page.

Common Mistakes That Cost Homeowners the Rebate

After helping hundreds of Saint-Laurent and West Island clients through the process, we see the same avoidable errors again and again. Knowing them in advance is the surest way to protect your rebate.

• Installing windows before the first evaluation — this alone disqualifies the entire claim
• Choosing a non-certified product to save a few dollars, then losing $150 per opening in rebate
• Hiring an unlicensed installer whose work cannot be documented under an RBQ number
• Discarding invoices or product labels that the advisor needs for the post-renovation report
• Missing the post-renovation evaluation, which is mandatory to close the file

Getting Started the Right Way

The cleanest path is to line up your energy evaluation and your installer quote before any window comes off the wall. A good Quebec contractor will measure every opening, recommend Zone D-certified units suited to each room, confirm the eligible product codes, and time the work around the two required evaluations.

Unisson manufactures its windows locally in Saint-Laurent, and our team holds a valid RBQ licence, so your file meets the program requirements from the first measurement. To map out your project and rebate strategy together, request a free estimation and we will walk you through every step.

Frequently Asked Questions