When it comes to luxury home design, aesthetics are only half the equation. The other half—often overlooked—is performance. Specifically, thermal performance. At Rumson Windows & Doors, we work with only the finest brands that balance architectural beauty with functional superiority. And when it comes to energy efficiency, Loewen Windows stands out as a leader in the field.

What Is Thermal Performance, and Why Should You Care?

Thermal performance refers to a window’s ability to resist heat flow, keeping your home warm in the winter and cool in the summer. This is crucial not only for maintaining indoor comfort but also for lowering your energy bills and reducing your carbon footprint.

Well-performing windows offer benefits like:

• Reduced reliance on heating and cooling systems

• Better indoor air quality and humidity control

• Lower long-term energy costs

• Increased property value

Why Loewen Leads in Thermal Performance

At Rumson, we choose Loewen for more than their visual appeal. Their windows are engineered with precision-crafted profiles, high-performance glass, and insulating frames that surpass industry standards.

Let’s look at what sets Loewen apart:

1. Superior Glazing Options

Loewen offers dual- and triple-glazed IGUs (insulated glass units)with low-emissivity (Low-E) coatings. These layers reflect infrared energy (heat), reducing heat transfer while allowing visible light to flood your interior spaces.

Bonus: Their triple-pane options significantly outperform most ENERGY STAR requirements.

2. Thermally Broken Aluminum Cladding

For homeowners looking for a metal-clad exterior, Loewen’s thermally broken aluminum cladding includes an insulating barrier that prevents thermal bridging—meaning you retain more heat inside during the winter and keep it out during the summer.

3. Wood as a Natural Insulator

Loewen uses Douglas Fir and Mahogany—woods with natural insulating properties. Unlike metal or vinyl, real wood minimizes heat transfer, providing a cozier indoor environment without compromising on luxury.

4. High-Performance Weather Seals & Frame Engineering

Their frames feature multi-layer weather stripping and compression seals, which block air and moisture infiltration. This, combined with precisely engineered sash profiles, makes Loewen one of the tightest-sealing brands on the market.

Style Meets Sustainability

Whether you’re going for a modern casement look or a timeless double-hung style, Loewen’s window styles don’t force you to choose between design and performance. Their curtain wall systems, push-out awnings, and specialty shapes are all built with energy efficiency in mind—each tailored to your architectural vision.

At Rumson Window & Door, we help homeowners, architects, and builders find the perfect combination of beauty and efficiency. With over 50 years in the luxury fenestration industry, our expertise ensures every Loewen installation meets the highest standard—visually and thermally.

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