What Gas Should You Choose for Your IGU: Argon, Krypton, or Air?

1. Introduction

When considering the best insulating gas for your Insulating Glass Unit (IGU), the choice between argon, krypton, or air becomes critical. Often, buyers face confusion over which gas provides optimum energy efficiency and sound insulation. Insulating glass with argon or krypton can significantly enhance thermal resistance compared to air, making them popular choices for energy-efficient windows. In this article, we will explore the differences, benefits, and ideal applications for each gas.

2. Comparison of Gases

Key Attributes of Gases:

3. Performance Insights

The performance of insulating glass units varies with the type of gas used:

• 1. Argon: Argon is a cost-effective solution for enhancing thermal performance. It is non-toxic, non-flammable, and offers a good balance between affordability and effectiveness.
• 2. Krypton: Although krypton is more expensive, it provides superior thermal insulation compared to argon. It is well-suited for narrow spaces, delivering higher overall performance in more sophisticated window designs.
• 3. Air: Air is the least efficient option, with a higher thermal conductivity, making it less desirable for energy-efficient installations.

4. Choosing the Right Gas

When selecting an insulating gas, consider the following:

1. **Evaluate Your Climate:** In regions with extreme temperatures, krypton may offer the best performance.
2. **Budget Considerations:** If budget constraints are significant, argon is an excellent alternative.
3. **Consult with Professionals:** Engage with manufacturers and installers to understand the best choice for your specific needs.

5. FAQs

What is the cost difference between argon and krypton?

Argon typically costs around $2.50 per 1,000 liters, while krypton can be about $20.00 for the same amount.

Can I use air in my IGU?

While using air is possible, it offers lesser thermal insulation and is not recommended for energy-efficient applications.

How does the gas choice impact energy efficiency?

Choosing argon or krypton can significantly enhance energy savings by reducing energy loss through windows.