DOUBLE PANE VS TRIPLE PANE WINDOWS: WHAT'S WORTH IT IN CALGARY?

If you’re planning to replace your windows, one of the biggest decisions you’ll face is choosing between double pane and triple pane glass. Both options offer energy efficiency and comfort—but which one is actually worth it for homes in Calgary’s climate?

In this guide, we’ll break down the differences, costs, and when each option makes the most sense.

What Are Double Pane and Triple Pane Windows?

Double pane windows have two layers of glass with an insulating gas (usually argon) sealed between them.

Triple pane windows add a third layer of glass and another gas-filled space, providing extra insulation and performance.

Key Differences

1. Insulation & Energy Efficiency

Triple pane windows provide better insulation because of the extra layer of glass.

• Double pane: Good insulation

• Triple pane: Superior insulation, especially in extreme cold

In a city like Calgary, where winters can be long and harsh, this added insulation can make a noticeable difference in comfort.

2. Comfort (No More Cold Draft Feeling)

Have you ever sat near a window in winter and felt cold—even when it’s closed?

Triple pane windows reduce that effect significantly. The interior glass stays warmer, making your home feel more comfortable overall.

3. Noise Reduction

Triple pane windows also perform better at reducing outside noise.

If your home is near:

• Busy roads

• Construction areas

• Schools or parks

Triple pane may be worth considering.

4. Cost Difference

This is where most homeowners hesitate.

• Double pane: More affordable upfront

• Triple pane: Typically 10–20% more expensive

However, triple pane windows can help reduce heating costs over time.

5. Weight and Frame Requirements

Triple pane windows are heavier, which means:

• They require stronger frames

• Proper installation is even more critical

This is why choosing an experienced installer matters just as much as the window itself.

So… Which One Should You Choose?

Choose Double Pane if:

• You’re on a tighter budget

• Your current windows are very old and anything is an upgrade

• You’re planning to sell the home soon

Choose Triple Pane if:

• You plan to stay in your home long-term

• You want maximum comfort during winter

• Energy efficiency is a priority

• You want better sound insulation

What Most Homeowners in Calgary End Up Choosing

In recent years, more homeowners in Calgary are choosing triple pane windows—especially for full home replacements.

The improved comfort and long-term savings often outweigh the higher upfront cost.

Final Thoughts

There’s no one-size-fits-all answer. The right choice depends on your budget, your home, and how long you plan to stay.

But in a colder climate like Calgary, triple pane windows are often a smart long-term investment.

Thinking About Upgrading Your Windows?

At Contempo Renovations, we help homeowners choose the right window solution based on their needs—not just what’s most expensive.

If you’re unsure whether double or triple pane is right for your home, we’re happy to walk you through your options.