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The arrival of crisp air often signals it's time to replace old, drafty windows and doors with energy-efficient insulated glass walls. The question then arises: how to select the right option? When evaluating moving glass wall systems, the primary expectation is to effectively regulate temperatures while maintaining comfortable indoor atmospheres—even right next to the glass and framing. Importantly, opting for energy-efficient fenestration can lead to significant savings on energy bills in the future. A wise starting point is to understand the two key aspects that contribute to moving glass wall systems: the frame material and the glass itself, alongside the exceptional engineering behind them.

Energy-Efficiency Showdown: Wood vs. Aluminum

NanaWall Systems provides both wood and aluminum framed moving glass wall systems. Wood, renowned for its insulating properties and classic beauty, is favored in colder climates despite needing maintenance. Conversely, aluminum is often scrutinized for being a conductor of heat and cold, seeming less efficient in terms of energy conservation—yet it's a durable material that requires minimal upkeep. To counter its conductive nature, NanaWall's thermally broken systems integrate insulation within the aluminum frames, delivering thermal efficiency even in harsh weather conditions.

Why not utilize both materials? NanaWall's aluminum-clad WA67 combines a solid wood core on the inside with aluminum protection on the outside, incorporating a space that allows moisture to escape, thus preventing warping.

Exploring Glass Options

Glazing signifies the layers of glass utilized in a wall or window, critical for the regulation of heat within your home. Single-glazed products offer minimal insulation; thus, opting for double-glazed or insulating glass units (IGU) is advisable. NanaWall even provides triple-glazed insulated glass walls, the pinnacle of energy efficiency for extreme cold conditions.

The array of glass types is vast; to simplify, one should examine the essentials. Enhancing glass thermal efficiency involves panes with various thicknesses, specialized coatings, and distinct airspace depths using air or gas fillers. Argon gas, typically found between double or triple-glazed panes, acts as an effective insulating agent, being six times denser than air.

Recognizing the Certification for Insulated Glass Walls

All NanaWall systems—with the exception of frameless units meant for interiors—are certified by the NFRC (National Fenestration Rating Council). But what does this certification signify? NFRC-certified products undergo independent testing and are rated on four main categories reflecting their energy performance.

U-Value assesses heat transfer through the building component; lower values signify reduced heat loss, which is vital in colder climates that require heat retention.

SHGC, or Solar Heat Gain Coefficient, indicates the level of sunlight transformed into heat as it passes through the glass; lower values signify less heat enters through the glass.

Visible Transmittance gauges a product's capacity to illuminate your home with natural light; higher numbers reflect better light ingress.

Air Leakage measures the extent of air infiltration; lower values indicate reduced draftiness in the product.

How Insulated Glass Walls Cut Costs

NanaWall systems are engineered for enduring performance. With enhanced design, insulated glass walls minimize both heat and cold transfer, meaning your heating and cooling systems will operate less, leading to lowered energy expenses. The combination of weather seals, thermal breaks, gaskets, and brushes enhances the efficiency of NanaWall insulated glass walls.

Weather-resistant sills are designed to be thermally broken to bolster the durability of NanaWall moving glass wall systems. Our Performance Sill is recommended for the best protection and energy efficiency in severe weather conditions.

Thinner Frames translate to more glass, thereby increasing visible light transmittance; more glass means more natural light, reducing reliance on artificial lighting and lowering energy bills.

Conclusion

Whether you contend with frigid snowstorms or unexpected heat waves, there exists a NanaWall system tailored to your energy efficiency needs. Designed to optimize thermal performance, both wood and aluminum clad glass walls open avenues for unique designs and aesthetics while ensuring high thermal efficiency. Investing in insulated glass walls not only facilitates consistent interior comfort but contributes to reduced energy outlay over time, promoting a harmonious indoor/outdoor lifestyle.

Explore the myriad benefits of NanaWall insulated glass walls on our dedicated page for Cold Weather Climates.

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