Doors
That Open For You All.
Upgrade Your Windows & Doors – Save Energy, Add Style, Boost Comfort and Increase the Value of Your GTA Home.
WELCOME TO LAB Windows & Doors
Windows & Doors
Available With Wide Range of
Colours & Designs.
✅
Get a FREE In-Home Consultation & Quote from Toronto’s Top-Rated Experts
🔒
No Hidden Costs – No Sales Pressure – 5-Star Customer Service
📍 Serving Toronto, Mississauga, Vaughan, Oakville, Brampton & More
Master services, Best Prices, Fastest Installation.
60% MORE ENERGY EFFICIENT,
40% OFF!
Why Upgrade?
Old Windows or Drafty Doors Cost You More Than You Think…
Higher energy bills year-round add up significantly
Drafts, condensation, or fading interiors
Outdated styles that lower your home’s value
At LAB Windows & Doors, we specialize in
sleek, energy-efficient windows and secure, beautiful doors
– all custom-fit to your home, installed by pros who care.
We Make It Easy to Upgrade!
See What You Get with LAB & Why GTA Homeowners Trust LAB:
Performance
Triple-pane performance at the cost of double-pane
Worry free
Self-locking slider and double-hung windows
Best in Town
In-house installers (no subcontractors!) – 5+ years experience each
Your Vision, Your Reality
Huge selection of colours and designs without custom charges
5-Star Rated on HomeStars
A+ BBB Accredited
Energy Star® Certified
Top Tier Style
Brushed nickel hardware and modern design options
All Payment Methods Accepted
Rebates, Financing and Cash
We fit every home
Historic & luxury home ready: SDLS grille design with spacer bar
Maximum Results
One of the thinnest profiles on the market for maximum light
Limited-Time Offer:
Up to $1,000 in rebates
Through the Canada Greener Homes program.
5% LAB Discount + $100 off per window
Exclusive on qualifying projects.
(Your quote is valid for 90 days.)
CUSTOMER FEEDBACK
Jason T.
Vaughn
Bobby and the team were amazing. Best quote I received, and the install was clean and professional. I’d recommend them to anyone!
Chris V.
Etobicoke
Finally a company that actually cares! My house is warmer, quieter, and the black windows look incredible. Thank you, LAB!
Trusted by 500+ homeowners
across the GTA
Locally Owned & Operated
– No Franchise Markups
It’s Time to Feel the Difference Quality Makes
Book your free, no-obligation consultation and see why LAB is GTA’s go-to window & door team.
Office: 5343 Dundas St W, Etobicoke, ON, M9B 6H8 (Appointment Only)
Call (647) 544-7127
Email: [email protected]
Site: labwindows.ca