The Differences Between IGU And DGU

Oct 2, 2024glass-101

What’s The Difference Between Insulated And
Double Glazed Glass For Your Window
Glass Replacement In Easton, MD?

Understand The Difference For Your
Next Glass Window Replacement


If you’re looking for an excellent window glass replacement in Easton, MD, by true glass experts, turn to GoGlass.

Choosing the right type of window for your home can be overwhelming, given the many options on the market. At GoGlass, we’ll help you make the best decision for your next window glass replacement.

While window glass replacement is an upfront investment, you get a significant return. You’ll experience a decrease in energy bills, a more comfortable home environment, and an increase in the value of your home.

Insulated and double-glazed glass have similarities, but there are also a few essential differences to acknowledge. They look similar at first glance, but we will cover a few distinctions. These qualities can impact your decisions for your window glass replacement.


What Are DGUs And IGUs For Replacement
Glass Windows?

Double-glazed units, also known as DGUs, are a type of window that contains two glass panes with gas between them. The air gap slows heat transfer because it acts as an insulating layer. They are designed to provide excellent acoustic and thermal insulation properties.

This means that they are energy efficient, decreasing heating and cooling costs. It also reduces noise from the outside, creating a more comfortable internal environment.

Insulated glass units, known as IGUs, are a broader category of glass that can include double glazing and other more advanced configurations. Insulated glass refers to the idea of having multiple glass panes that are separated by a gas-filled space. IGUs can have more than two glass panes.

Triple-glazed glass units have three glass panes and two gas-filled spaces. The additional layer of glass and insulation provides superior acoustic and thermal insulation.


What Are The Key Differences Between DGUs And
IGUs In The Delmarva Peninsula?

Double-glazed glass units (DGUs) and insulated glass units (IGUs) are both excellent options for improving energy efficiency and insulation. Now, we will review a few key differences between DGUs and IGUs.

The Number Of Glass Panes

Double-glazed glass units typically consist of two glass panes. On the other hand, insulated glass units can have upwards of three panes of glass – depending on the required insulation level and design.

The Types Of Gases Utilized

Double-glazed glass units will usually contain argon or air in between the panes. For better insulation, they may even use krypton. On the other hand, insulated glass units use argon, krypton, or even xenon. The gas used will influence the insulation properties and cost of the glass.

The Cost

In general, double-glazed glass units are a more affordable option for your glass window replacement. This is because fewer panes are used, making the design more straightforward.

Insulated glass units are more expensive because they have additional glass panes. However, they usually give a great return on your investment in terms of energy savings.

Noise Reduction Qualities

Double-glazed glass units provide some noise reduction, but they are not as advanced as insulated glass units in this regard. Insulated glass units offer a higher level of noise reduction. As there are more panes, they become more acoustically insulating. This is beneficial for noisy environments such as busy cities.

Thermal Performance

Regarding thermal insulation, double-glazed glass units reduce heat loss and gain pretty well compared to single-pane glass windows.

However, insulated glass units provide superior thermal performance because they tend to have more glass panes. This is even greater for reducing energy bills and maintaining a comfortable internal environment.

Despite these differences, insulated and double-glazed glass are excellent options for your next window glass replacement. When choosing the type of glass for your home improvement project, you must consider your budget, location, and priorities. We’ll help you make the best decision for your window glass replacement.

If you’re looking for a window glass replacement in Easton, MD, from great glass experts, contact GoGlass for a free quote.

FAQ - Top 10 Questions to Ask Before Choosing a Glass Service Company

How do I choose the right glass service company?
Choosing the right glass service company involves evaluating experience, licensing, insurance, service offerings, and customer reviews. Asking detailed questions about materials, warranties, and timelines helps ensure you receive high-quality work and reliable service.
What services should a full-service glass company offer?
A full-service glass company should provide residential, commercial, and auto glass solutions. This includes window repair, custom glass installations, storefront glass, shower enclosures, and windshield replacement.
Why is licensing and insurance important for glass contractors?
Licensing and insurance protect both the homeowner and the technician. Proper coverage ensures that any accidents, damages, or liabilities are handled professionally and do not become the customer’s responsibility.
Should I get multiple estimates for glass work?
Yes. Getting multiple estimates helps you compare pricing, materials, timelines, and service quality. However, the lowest price is not always the best choice—experience and reliability matter just as much.
What should I look for in glass company reviews?
Look for consistent feedback about quality workmanship, communication, professionalism, and reliability. Reviews that mention long-term satisfaction and repeat customers are strong indicators of a trustworthy company.

Why Work With GoGlass?

Choosing a glass service company should feel straightforward and stress free. GoGlass is committed to delivering high quality workmanship, clear communication, and dependable service across residential, commercial, and auto glass needs.

With GoGlass, you can expect:

  • Experienced and knowledgeable technicians
  • Transparent pricing and honest recommendations
  • High quality materials designed to last
  • Support with insurance claims when applicable
  • Efficient service with attention to detail

We focus on making every project simple, professional, and built around your needs.

Save Up To 60% on Windows & Doors By Just Replacing The Glass

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