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Are Low E argon windows worth it?

While the initial investment in Low E & Argon Gas windows is a little higher than the regular single-pane variety, the amount you’ll save on your heating and cooling bills over the course of their lifetime will more than make them worth your while. That’s not considering the environmental benefit, either.

Do all low E windows have argon gas?

It’s possible to have windows that are both Low-E glass and filled with argon gas. Here at Best Buy Windows and Siding, for example, argon gas is standard in every window we sell.

Are argon filled windows better?

The most common gas between panes is Argon. When your windows are filled with Argon, there is a slightly higher efficiency rating of the window. Because Argon is more dense than air, it does a better job of insulating your home than a regular double pane window.

Are Low E windows worth the cost?

Are Low E Glass Windows Worth It? While they can be a slightly bigger investment than regular glass windows, depending on where you live, Low E glass can be well worth the cost. They give you the look of beautiful, nice, new windows, with the added benefit of reducing energy costs.

Does argon leak out of windows?

While argon gas fills don’t expand or contract, the glass it fills does. Once the glass expands, however, the seals that contain the gas between the panes are broken, allowing the argon gas to leak out. In fact, it even leaks from the window even when the seals are intact; the leakage rate is 1% per year.

What is the R-value of Low-E windows?


Code R-Value
Clear Tri 3.226
LOW-E HS1-C180 3.846
LOW-E HS2-C180 5.433
LOW-E HS3-C180 7.521

What is the R-value of argon filled windows?

Double-pane glass with LowE Argon gas has low U-Values between 0.25 and 030 and R-Value of 4. This is a quadruple increase in energy efficiency over a single-pane window.

Can you refill windows with argon gas?

Takeaway. Argon gas windows can be repaired, and gas can be re-added to the pane if the seals can be replaced. Otherwise, it can be a difficult process that is by no means a long-lasting fix. If your argon gas windows were poorly installed or damaged, gas will continue to seep out whether more is added or not.

Do Pella windows have argon gas?

At Pella, we’ve optimized the frame, sash and amount of space between the glass to achieve exceptional performance. We use harmless argon gas between the glass to act like a blanket and reduce heat transfer. Additionally, we can apply virtually invisible coatings to enhance the glass for your specific climate.

What are the disadvantages of low-e glass?

One of the disadvantages of Low-E glass is that it is more expensive than regular glass. Windows that are designed to block out UV rays and infrared light are generally going to be more costly than traditional windows. This means that you will have a larger initial investment to deal with.

What is the R value of low-e windows?

How long does it take for argon to dissipate?

Argon-37 is produced from the decay of calcium-40, the result of subsurface nuclear explosions. It has a half-life of 35 days.

What is low E Gas in Windows?

Regardless of the season, Low E & Argon Gas windows ensure the climate is stable in your home. Low E or low emissivity coating is a unique microscopic glaze that helps minimize the amount of ultraviolet , infrared and visible light from penetrating the glass keeping you cooler in the summer and warmer in the winter.

How long does argon last in Windows?

Over time, the argon in your windows slowly decreases (about 1% ever year). That being said, the glass will still be energy efficient for about 40 years. However, if your seal fails, the argon gas escapes fast and you’ll need gas replacement.

What are the benefits of argon gas in Windows?

Argon-gas-filled windows offer a range of benefits, including: Increased Energy Efficiency. Compared to the other commonly used noble gases, namely Xenon and Krypton , Argon is the most abundant in the atmosphere, which makes it the most cost-efficient inert gas for insulation purposes.

What is argon gas window?

Argon gas is a chemical element that’s generally used in new windows to shield the glass. In its most simplistic terms, argon gas presents an extra layer of protection for your windows. Since argon gas is denser than air it contributes to the captive air in double-pane windows. The result is improved thermal insulation efficiency.