How to Cover Large Windows in Ontario Homes

If you have large windows, you already know how valuable they are to your home. The beautiful views, the natural light, the open, airy feeling they provide. But covering large windows can be just as important as enjoying them—especially here in Ontario, where light, temperature, and privacy can change dramatically throughout the year.

Before choosing window treatments, there are a few important questions to consider.

What kind of light do you need?

The light from large windows can feel refreshing and beautiful—until it becomes overwhelming. Depending on the direction your windows face and the room they’re in, you’ll want window coverings that give you the right level of control.

Bedrooms often require room-darkening options for better sleep. South- and west-facing windows in Ontario tend to bring in stronger afternoon sun, which can create glare and heat buildup. In other rooms, you may want to soften the light without blocking it completely.

Large windows are often the biggest source of natural light in a home, so choosing coverings that allow you to adjust that light throughout the day is key.

How important is the view?

Let’s face it—sometimes the view outside is the best feature of the room, and sometimes it’s not.

If your large windows overlook a beautiful backyard, landscape, or water view, you’ll likely want window treatments that preserve that view while still offering light control. On the other hand, if your windows face the street or nearby homes, your priorities may shift more toward privacy.

Many homeowners want the flexibility to enjoy both—an open view during the day, with the ability to adjust coverage when needed.

How much privacy do you need?

Privacy plays a big role when covering large windows, especially in rooms like bedrooms and living areas.

During the day, natural light can make a space feel open and bright. But at night, when interior lights are on, large windows can expose your home to outside view. This is especially common in suburban neighborhoods throughout Ontario.

Window treatments for large windows should allow you to:

• Let light in while maintaining privacy
• Adjust coverage easily throughout the day
• Feel comfortable in your space at night

Finding the right balance between openness and privacy is one of the most important decisions you’ll make.

How often will you adjust your window coverings?

Large windows often need more frequent adjustments than standard windows. The amount of sunlight, glare, and privacy needs can change throughout the day. If you prefer to set your window coverings once and leave them, manual operation may be enough. But in many Ontario homes—especially those with strong sun exposure—adjustments are made regularly.

This is where motorized window treatments can make a big difference.

With smart control options, you can:

• Adjust shades with a remote or wall control
• Use a mobile app for convenience
• Set schedules based on time of day or sunlight
• Use voice commands through smart home systems

For large or hard-to-reach windows, automation can make daily use much easier while improving comfort.

How important is energy efficiency?

In Ontario, energy efficiency is a major factor when covering large windows. Many homeowners choose energy-efficient cellular shades to help regulate temperature at large window areas. Large glass areas can contribute to a number of factors we face over the course of the year: 

• Heat gain in the summer
• Heat loss in the winter
• Drafts near windows
• Increased energy use

Window coverings can help regulate indoor temperature by adding a layer of insulation and controlling sunlight. In the summer, they can reduce glare and block excess heat. In the winter, they can help retain warmth inside your home. This is especially important for large window walls or open-concept living spaces. For many homeowners, temperature control is one of the main reasons they begin looking into solutions for large windows.

If your large windows include patio doors, you may want to explore window treatments for sliding glass doors as well.

Bringing It All Together

Every home—and every window—is different. The way you choose to cover large windows depends on how you use each space, how much light enters the room, and how important privacy and energy efficiency are to your lifestyle.

Some rooms may need more light control, while others focus on preserving the view. Some windows may benefit from automation, while others may not require frequent adjustment. The key is finding a solution that works for your home as a whole.

Thinking About Covering Large Windows in Your Home?

We should chat. Every homeowner’s answers to these questions will be different. Even within your own home, each room may have unique needs when it comes to light control, privacy, and energy efficiency. Explore our full range of window treatments for large windows designed to fit wide openings and tall window spaces.

At Custom Shades of London, we take a room-by-room approach to help you find solutions that create the right atmosphere for you and your family. Get in touch with our team to schedule your FREE consultation and explore the best options for covering large windows in your home.