REPLACEMENT WINDOWS AND DOORS GRIMSBY
Choose from a wide variety of energy efficient replacement windows to suit the unique requirements of your home. As one of the few window companies in Grimsby that utilizes Cardinal Glass, you can expect some of the best replacement windows in Grimsby in terms of energy efficiency and value.
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REPLACEMENT WINDOWS AND DOORS CURTIS
Choose from a wide variety of energy efficient replacement windows to suit the unique requirements of your home. As one of the few window companies in Grimsby that utilizes Cardinal Glass, you can expect some of the best replacement windows in Grimsby in terms of energy efficiency and value.
Schedule your free in-home,
no-obligation quote today!
"*" indicates required fields
At Thermo-Bilt, we are proud to be able to help you with your replacement windows and doors needs in Grimsby.
At Thermo-Bilt, we have a wide range of window and door styles to choose from. We also provide additional customization options, such as colours, materials, trims and frames. Our Grimsby window installers have years of experience and will fit your windows and doors in a single day without compromising on quality. Our windows and doors professionals are trained experts and can answer any questions that you may have. We will ensure that your window and door replacement process is smooth and seamless from beginning to end.We also, offer lifetime warranty for all our windows and doors.
We are proud to be able to provide the highest quality products combined with premium customer service. This makes us the trusted brand for replacement windows in Grimsby and GTA.
Serving the Grimsby Area for 20+ Years
Thermo-Bilt’s team of window and door replacement specialists have been installing windows and doors in Grimsby and across Ontario for over 20 years. We adhere to the highest standards of customer service and ensure that each and every customer is 100% satisfied with our services. With years of experience plus dedication to customer satisfaction we can proudly call ourselves industry experts in replacement windows and doors. Feel free to contact us if you are looking for your next window replacement project.
At Thermo-Bilt, we are proud to be able to help you with your replacement windows and doors needs in Grimsby.
At Thermo-Bilt, we have a wide range of window and door styles to choose from. We also provide additional customization options, such as colours, materials, trims and frames. Our Grimsby window installers have years of experience and will fit your windows and doors in a single day without compromising on quality. Our windows and doors professionals are trained experts and can answer any questions that you may have. We will ensure that your window and door replacement process is smooth and seamless from beginning to end.We also, offer lifetime warranty for all our windows and doors.
We are proud to be able to provide the highest quality products combined with premium customer service. This makes us the trusted brand for replacement windows in Grimsby and GTA.
Serving the Grimsby Area for 20+ Years
Thermo-Bilt’s team of window and door replacement specialists have been installing windows and doors in Grimsby and across Ontario for over 20 years. We adhere to the highest standards of customer service and ensure that each and every customer is 100% satisfied with our services. With years of experience plus dedication to customer satisfaction we can proudly call ourselves industry experts in replacement windows and doors. Feel free to contact us if you are looking for your next window replacement project.
See all Thermo-Bilt Windows in Grimsby

Double Hung Windows
Our double hung windows are an excellent choice for rooms that face decks, porches and walkways.

Casement Windows
Our casement windows are reliable, practical, energy efficient and designed to keep harsh weather out.

Bay Windows
Our bay windows are decorative that curves outwards from the wall, allowing you amazing views.

Single Hung Windows
Our single hung windows are easy to clean and take up no additional space when open.
Thermo-Bilt Reviews
See all Thermo-Bilt Doors in Grimsby

Steel Entry Doors
Our steel entry doors are rich with features that make them an excellent choice for your home.

Fiberglass Doors
Our fiberglass entry doors are a perfect compromise between aesthetics, durability, and safety for your home.

Sliding Patio Doors
Our sliding patio doors are an excellent way to save space in your cozy home.

Hinged Patio Doors
Our hinged patio doors swings outwards, opening up the inside of your house to your beautiful yard, garden, or patio.
Our Work
Our window company in Toronto has worked on thousands of homes. Take a look at the range of Toronto window installation jobs we’ve completed over the years.
FAQs
Are Energy-Efficient Windows and Doors An Investment with a High ROI?
While looking for replacement windows many residents tend to ask if energy efficient windows are actually worth their price. Although the tax incentive from the Ontario energy rebate program (GreenON) is unfortunately no longer available, there are many other savings related to energy-efficient windows. Our professionals will explain to you in detail the benefits of having energy efficient windows. The insulation, double glazed glass, materials and seal that go into the making of energy efficient windows, all contribute to lowering of your monthly energy bills to a large extent.
In addition to being cost efficient, energy efficient windows help to boost the curb appeal of your Grimsby home. Home improvement renovations such as addition of Energy efficient windows will make your home be more attractive to potential buyers. In addition to this if you have an upgraded energy efficient front door it will not only make your home look more beautiful but will increase the value of your property significantly.
Why Choose Vinyl Windows in Grimsby?
Vinyl windows are a perfect choice for your Grimsby home, as they are one of the most durable and energy efficient windows in the market. They are also more cost effective than other window materials. The double or triple glazed glass, airtight vinyl material all help in sealing your home from drafts and outside elements. The air inside your home does not get affected by the temperatures outside and this results in reduced energy bills and HVAC costs.
How is Cardinal Glass Superior?
Thermo-Bilt relies on Cardinal Glass for all their glass in replacement windows and doors. Cardinal Glass is known manufacturer of extra strong and well insulated glass for windows and doors. Their glass provides a great balance of solar control and visibility. All products at Cardinal Glass are manufactured with a special self cleaning coating that does not allow dirt or grime to stick onto the windows and doors, using UV rays from the sun and rain water.
Cardinal glass is well known for its insulation and helps significantly in reducing energy costs as all their products are Energy Star® compliant.