What Are Smart Windows and Are They Right for Your Home?

Smart windows can be expensive, but they can also add value to a home

Large beautiful country house
Photo: Maryna Terletska / Moment / Getty Images
Large beautiful country house
Photo: Maryna Terletska / Moment / Getty Images
Highlights
  • Smart windows offer a variety of high-tech benefits. 

  • Smart windows provide enhanced comfort and privacy options.

  • UV protection is a major benefit of smart windows.

  • The cost of smart windows varies based on factors like size and automation level.

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In today's era of advanced technology, smart homes have become increasingly popular, offering convenience, energy efficiency, and improved comfort. One key component of this trend is smart windows for homes, which incorporate innovative features to enhance the functionality and energy efficiency of traditional windows

If you're considering adding smart windows to your home, keep reading for a comprehensive guide on smart windows that will provide an overview of smart window technology, its benefits, and key considerations to make an informed decision.

What Is a Smart Glass Window? 

Smart glass windows, also known as dynamic windows or switchable windows, are technologically advanced windows that can change their properties in response to external factors. These windows utilize various technologies, such as electrochromic, thermochromic, or suspended particle devices (SPD), to alter their transparency, tint, or insulation capabilities. 

By integrating sensors, connectivity, and control systems, smart glass windows for homes can automatically or manually adjust to optimize natural light, privacy, thermal comfort, and energy efficiency. 

Woah. That was a lot of jargon, but what does that mean for you, and how can your home benefit? Check out the features of smart windows below that are sure to make life in your home a lot comfier. 

Features of Smart Glass Windows

Smart glass windows are much more exciting than good old-fashioned glass and wooden windows. They incorporate various features and technologies to enhance their functionality and performance. Here are some common features found in smart window systems:

  • Dynamic transparency: Smart windows can change their transparency level, allowing you to control the amount of natural light entering your space. They can transition from transparent to translucent or opaque based on your preferences or automated settings.

  • Tint control: Some smart windows offer adjustable tint levels, enabling you to manage the amount of sunlight and glare that enters the room. This feature can enhance visual comfort and reduce the need for blinds or curtains.

  • Energy efficiency: Smart windows are designed to optimize energy usage. They can respond to external conditions, automatically adjusting their properties to minimize heat gain during hot weather or retain heat during colder seasons. This helps to reduce reliance on heating and cooling systems, leading to energy savings.

  • Self-dimming: Certain smart window technologies have the ability to dim the window in response to changing light conditions. This feature can help maintain a consistent level of brightness within a space while minimizing glare.

  • Integrated sensors: Smart windows may incorporate sensors that monitor environmental factors such as light levels, temperature, and even air quality. These sensors provide data to the window control system, allowing for automated adjustments based on the detected conditions.

  • Connectivity and automation: Many smart windows can be connected to a smart home system, allowing for remote control and automation through smartphone apps or voice assistants. This enables you to adjust window settings, create schedules, or integrate them with other smart devices in your home.

  • UV protection: Certain smart window technologies have built-in UV-blocking capabilities, helping to protect your furniture, flooring, and artwork from the damaging effects of UV rays.

Types of Smart Glass

There are various types of smart glass, each employing different technologies to provide smart capabilities.

Thermochromic

This type of smart glass senses the outside temperature and changes when heat hits it. It then adjusts the tint, blocking glare and unwanted heat while keeping the view clear. 

Electrochromic

This smart glass utilizes electricity to change its tint. It changes more slowly than thermochromic, however, and the technology can limit the life span of the glass.

Micro-Blind

This kind of smart glass employs small, rolled blinds made of metal that can be controlled by electricity. When you apply electricity, the blinds unroll and block out the light.

Suspended-Particle

This type of glass uses randomly spread-out nanoparticles to absorb light. When it’s hit with electricity, the particles align and allow light through.

Polymer-Dispersed Liquid-Crystal

This smart glass uses dissolved liquid crystals that harden and form droplets that scatter light, making the glass appear milky. When you apply electricity, the crystals align, letting light pass through.

Cost of Smart Windows

Interior view of contemporary home
Photo: Erik Snyder / The Image Bank / Getty Images

The cost of adding smart windows to your home can vary depending on several factors, including the size of the windows, the technology in the windows you choose, the level of automation, and the brand or manufacturer. The types of windows you want to have in your home can also influence the cost. On average, smart windows tend to be more expensive than traditional windows.

As a rough estimate, the cost of smart windows can range from approximately $50 to $140 per square foot, including the window frame and the smart technology components. However, it's important to note that this is a general price range and can vary significantly based on the factors mentioned earlier.

Additionally, it's worth considering the long-term cost savings that can be achieved through improved energy efficiency and reduced reliance on heating or cooling systems. While the initial investment may be higher, smart windows can help lower energy bills over time.

To get an accurate cost estimate for smart windows in your specific situation, you should consult with window installation professionals near you who have experience with smart windows. They can provide detailed quotes based on your needs and provide insights into the specific pricing factors for smart window systems available in your area.

Pros and Cons of Smart Windows

As exciting as new technology can be, it’s important to pause and consider both the pros and cons that come along with smart windows.

ProsCons
Quieter homeExpensive
More energy efficientHigh maintenance
Less glare and sun exposureNot compatible with all homes and tech
Enhanced privacy and comfortReliability issues and hard to understand

Pros of Smart Windows

  • Energy efficiency: Smart windows can actively manage solar heat gain, reducing the need for artificial heating or cooling and improving energy efficiency.

  • Comfort and privacy: Smart windows offer customizable levels of privacy and control over incoming sunlight, allowing you to adjust transparency or tint levels.

  • Glare reduction: Smart windows can automatically adjust their tint to minimize glare on screens and enhance visual comfort in interior spaces.

  • UV protection: Certain smart window technologies can block harmful UV rays, protecting your furnishings, artwork, and interiors from fading or damage.

  • Noise reduction: Some smart windows can effectively reduce external noise, creating a quieter and more peaceful indoor environment.

Cons of Smart Windows

  • Cost: The cost of replacing windows with smart windows tends to be more expensive than traditional windows, which can impact the initial investment in your home.

  • Compatibility: Ensuring compatibility with your existing smart home ecosystem or the ability to integrate with future smart home technologies is crucial. Not all smart windows are compatible with all homes.

  • Installation and maintenance: Smart windows may require professional installation, and basic maintenance or servicing needs should be considered. For example, a traditional Victorian window is much easier to clean and maintain than a smart window.  

  • Reliability: As with any technology, there can be occasional glitches or malfunctions in smart window systems, requiring troubleshooting or repairs.

  • Learning curve: Depending on the complexity of the smart window system, there might be a learning curve to understand the features, controls, and programming options.

Pro Tip

I don’t suggest any clients do DIY glass repairs to save money—I consider it dangerous if you’re not familiar with the work. If you don’t put the spacers the proper way or miss a spacer, your glass will become crooked and, over time, start moving and collapsing.

Jose L. Pelayo
Owner of Boise Window Medics, LLC

Are Smart Windows Worth the Cost?

Whether or not smart windows are a worthwhile investment for you depends on your individual circumstances and priorities. While smart windows offer several benefits, including energy efficiency, enhanced comfort, and convenience, the decision to invest in them should be based on careful consideration of the following factors:

  • Energy savings: Smart windows can contribute to reducing energy consumption by optimizing heating, cooling, and lighting. If energy efficiency is a priority and you are willing to make a long-term investment to lower energy bills, smart windows may be worth the cost.

  • Comfort and convenience: Smart windows provide the ability to customize natural light, privacy, and glare reduction. If you value the convenience of adjusting window properties with ease and desire enhanced comfort in your living spaces, smart windows can be a valuable addition.

  • Compatibility with smart home ecosystem: If you already have or plan to build a smart home ecosystem, integrating smart windows into the system can enhance overall automation and control. If compatibility and integration with other smart devices are important to you, smart windows are worth considering.

  • Budget and cost considerations: Smart windows are generally more expensive than traditional windows. Assess your budget, evaluate the potential long-term energy savings, and weigh them against the upfront costs to determine if the investment aligns with your financial goals.

  • Future resale value: Upgrading to smart windows may increase the value of your home and attract potential buyers who value energy efficiency and smart home features. If you plan to sell your home in the future, the added value of smart windows could be worth considering.

Frequently Asked Questions

Smart windows can last anywhere from 10 to 50 years. It depends on the type and brand of smart window you choose and how much usage your windows get.

Yes, smart glass can be blacked out. Blackout smart glass allows homeowners to turn windows from transparent to blacked out instantaneously.

It can be. While not all smart glass comes soundproof, you can buy smart glass made specifically to be soundproof.

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