Low E windows let the light in but keep the UV Rays out.

Low-E Windows for Denver Living

In Denver low-e (low-emissivity) windows offer a way to enjoy the state’s natural beauty while keeping indoor spaces cozy in winter and cool in summer. In a diverse climate, where each season brings its own set of challenges, maintaining an energy-efficient and comfortable home is a priority for many. So, let’s delve deeper into how low-e windows help keep your Denver home comfortable.

What Exactly are Low-E Windows?

Low-e windows feature a microscopic, nearly invisible coating on the glass that reflects heat. This special coating acts as a thermal mirror, keeping warm air inside during the cold months and hot air outside during the summer. It’s a game-changer for energy efficiency, allowing natural light to flood in while blocking out unwanted heat and UV rays. For Denver area residents, this means enjoying sunny days without the added heat.

How Do Low-e Windows Fit into Denver’s Climate?

Denver’s climate is a mix of cold winters and warm summers, making it essential to have windows that can adapt to both extremes. Low-e windows are available in passive and solar control coatings, catering to different needs. Passive coatings are ideal for retaining heat in winter, while solar control coatings keep your home cool under the summer sun. This versatility makes low-e windows a perfect match for Denver’s unique weather patterns, ensuring comfort year-round.

What Benefits Do Low-E Windows Offer?

The benefits of low-e windows are particularly appealing in Denver. They significantly reduce energy costs by keeping indoor temperatures more consistent, which means less reliance on heating and cooling systems. They also protect your home from UV rays, preserving the color and integrity of your furnishings. Additionally, for homes near bustling streets or in lively neighborhoods, low-e windows offer a reprieve from outdoor noise, making your indoor environment more peaceful.

Are There Any Drawbacks?

While low-e windows are an excellent investment for energy efficiency and comfort, they come with considerations. The initial cost is a little higher than standard windows, but this is offset by energy savings over time. Homeowners should also be mindful of choosing the right type of low-e window, as their effectiveness can vary based on the home’s orientation and specific location. Professional guidance is crucial in selecting windows that will deliver the most benefit.

How Do I Choose the Right Low-E Windows?

Selecting the right low-e windows involves considering your home’s specific needs and location. In Denver, where elevation and orientation can significantly impact your home’s energy efficiency, consulting with a professional who understands the local climate and building codes is invaluable. They can help you navigate the options, ensuring you invest in windows that complement your home aesthetically while providing optimal energy efficiency.

Can Low-E Windows Really Save Me Money?

Absolutely. Low-e windows are designed to enhance your home’s energy efficiency, leading to noticeable savings on heating and cooling bills. Though the initial investment may seem high, the reduction in energy costs over time makes them a cost-effective solution for Denver homeowners. Additionally, many utility companies and state programs offer incentives or rebates for energy-efficient window installations, further increasing their affordability.

What’s Their Impact on the Environment?

Choosing low-e windows is a step toward a more sustainable future. By improving your home’s energy efficiency, you’re reducing your carbon footprint and contributing to a healthier planet. For Denver area homeowners passionate about preserving the state’s natural beauty, low-e windows offer a way to enjoy the benefits of modern living without compromising environmental values.


For Denver area residents, low-e windows represent a smart, sustainable choice for enhancing home comfort and energy efficiency. They address the state’s climatic challenges head-on, providing a solution that keeps homes warm in the winter and cool in the summer. By considering the right type of window for your home and taking advantage of available incentives, low-e windows can be a worthwhile investment that pays dividends in comfort, savings, and environmental stewardship. As we continue to seek ways to live more sustainably without sacrificing our comfort, low-e windows offer a clear path forward, letting us enjoy Colorado’s natural beauty from the comfort of our efficiently heated or cooled homes.


Low-E (low-emissivity) coatings have revolutionized window technology by improving energy efficiency and comfort in homes and buildings. However, like any technology, they come with their own set of considerations. Here are the answers to your questions regarding low-E coatings and glass:

What are the Disadvantages of Low-E Coating?

  • Initial Cost: The upfront cost of low-E windows can be higher than that of standard windows. This might be a significant consideration for some homeowners or builders on a tight budget.
  • Tinting: Some types of low-E coatings can slightly alter the color perception of the natural light entering the home. This effect varies with the type of low-E coating used and is usually very subtle.

What is the Lifespan of Low-E Glass?

The lifespan of low-E glass is comparable to that of any high-quality window glass. When properly installed and maintained, low-E windows can last 20 years or more. The durability of the low-E coating itself is designed to last the lifetime of the window without significant degradation if the window remains intact.

Does Low-E Coating Wear Off?

Low-E coatings are applied during the manufacturing process and are designed to be very durable. Most low-E coatings are applied to the inside surfaces of the glass panes (in double or triple-pane windows), which protects them from the environment and physical wear. Therefore, under normal conditions, the low-E coating does not wear off. However, improper handling during installation or aggressive cleaning methods can damage the coating.

Does Low-E Glass Make the House Darker?

Low-E glass does not significantly darken a house. Its primary function is to reflect certain wavelengths of light (infrared and ultraviolet) while allowing the majority of visible light to pass through. Some types of low-E coatings can slightly reduce the amount of visible light transmission compared to clear glass, but this effect is usually minimal and hardly noticeable. The overall impact on the brightness of your home’s interior will depend on the specific type of low-E coating chosen.

Is Low-E Glass Better Than Double-Pane?

Low-E glass and double-pane glass address different aspects of window performance. Double-pane (or dual-pane) windows improve insulation by trapping air or inert gas between two panes of glass, reducing heat transfer. Low-E glass, on the other hand, specifically targets infrared and ultraviolet light, reducing unwanted heat gain or loss while minimizing UV damage to interiors.

When low-E coatings are applied to the glass in double-pane windows, the benefits are combined, offering superior energy efficiency compared to double-pane windows without low-E coatings. Thus, low-E glass in a double-pane configuration provides the best of both worlds: excellent thermal insulation and efficient control of heat transfer through radiation, making it a superior choice for energy efficiency and comfort.

Are you ready to replace the windows in your Denver area home? Contact Clearwater Exteriors today to schedule a FREE consultation. Call 720-734-6610!