In commercial construction, energy performance is no longer optional—it is expected. For general contractors and glazing pros working on storefronts and curtain walls, insulated glass units (IGUs) are the key to meeting today’s efficiency demands while delivering on aesthetics and code compliance.
From retail entries in Houston to office facades in Tulsa, the right IG unit can improve comfort, cut costs, and future-proof your build. Let’s break down why IGUs matter and how they directly impact the performance of storefronts and facades.
Understanding Storefront Needs
Storefronts and exterior glass walls face unique challenges. They take direct sun, wind, and weather. They have to look sharp, meet energy codes, and hold up under daily traffic. Most importantly, they have to regulate indoor conditions without overloading the HVAC system.
That is where IG units shine. With two or more panes of glass separated by an air or gas-filled gap, IGUs block heat transfer and help keep interiors stable—whether it’s 100 degrees outside or freezing cold.
How IG Units Improve Efficiency
- Thermal Performance
IGUs slow the transfer of heat, making them far more effective than single-pane glass. When paired with Low-E coatings or tinted glass, they reflect solar radiation and keep interior spaces cooler. This is critical in states like Texas, New Mexico, and Louisiana, where sun exposure can skyrocket utility costs. - Reducing HVAC Loads
A properly insulated storefront reduces the burden on heating and cooling systems. For building owners, that means smaller HVAC units, lower energy bills, and less wear over time. IGUs help you deliver those savings from day one. - Comfort and Consistency
No one wants to sit next to a hot or drafty window. IGUs stabilize temperatures near glass surfaces, eliminating those uncomfortable hotspots or chilly zones that can drive customers and employees away. - Code Compliance
Most commercial buildings must meet energy codes like IECC or ASHRAE standards. Using IG units with specific performance ratings—like U-factor or Solar Heat Gain Coefficient (SHGC)—helps contractors check those boxes without expensive retrofits down the line.
Glass Options That Add Value
IG units are flexible. You can customize them with:
- Low-E coatings for solar control
- Tinted glass for glare and heat reduction
- Tempered or laminated glass for safety and strength
- Warm-edge spacers for better edge insulation
- Argon or krypton gas fills for added efficiency
These upgrades boost performance without sacrificing design. That’s a win for both the builder and the end user.
When to Recommend IG Units
Contractors should always consider IGUs for:
- Retail storefronts
- Office building facades
- Hotel or hospitality exteriors
- Medical and educational facilities
- Any glazed system exposed to direct sun
In regional markets like Arkansas, Missouri, and Kansas, where temperatures swing hard between seasons, IGUs offer year-round protection and comfort.
Partnering for Performance
Getting the right insulated glass requires more than picking something off the shelf. You need a supplier who understands your project goals, building codes, and timelines.
Sky Building Materials partners with general contractors and glaziers throughout Texas and the surrounding region. We stock high-performance IG units and glass options that meet commercial-grade needs—plus we help you choose the right configurations to stay on spec and on schedule.
Build Smarter with Better Glass
In today’s commercial market, efficiency sells—and IG units deliver. From storefront upgrades to new construction, insulated glass improves performance, comfort, and cost savings.
Ready to level up your next project? Contact us through the Sky Building Materials Contact Page, or follow along at Sky Building Materials Facebook Page for product updates, tips, and more.