Kent Energy Efficient Windows
In an effort to live more sustainable lifestyles, Kent homeowners are investing in energy-efficient windows that use the latest window technologies to reduce heat gain and loss, helping to manage the home’s internal temperature, boost energy efficiency, and increase property value. With energy-efficient windows, homeowners can enjoy up to 30% energy cost savings and more comfortable living conditions.
At Lake Washington Windows and Doors, we specialize in the installation of the best energy-efficient replacement windows in the industry. If you live in Kent, WA, and your home is still equipped with inefficient or outdated windows, contact us today to make the sustainable change you deserve.
We Have Energy-Efficient Windows Available in a Range of Styles
Energy Star-certified energy-efficient windows are designed to minimize heat transfer using the latest energy-saving technologies. These technologies reduce air leakage, convection currents, and solar radiation using sealed multi-pane glass filled with argon or krypton gas, low convection frame material, hybrid window spacers, and Low-E glass coating. The result is a comfortable indoor temperature, a reduced carbon footprint, and a lighter load for your HVAC system.
At Lake Washington Windows and Doors, we only stock the top energy-efficient window styles on the market. Some styles are inherently more efficient than others, due to their design and operation. Below is a list of the primary window styles we offer, arranged in order of energy efficiency:
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Picture Windows
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Awning Windows
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Transom Windows
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Single-Hung Windows
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Double-Hung Windows
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Bay Windows
We Also Offer Various Energy-Efficient Window Frame Materials
In addition to a variety of window styles, we offer a selection of energy-efficient window frame materials to suit every Kent homeowner’s needs. Whether you value longevity, affordability, or aesthetic appeal, we have the perfect frame material for you.

Fiberglass Window Frames
Milgard’s Ultra Series Fiberglass windows are the frontrunner in energy-efficient frame materials. The material’s long lifespan and its ability to expand and contract at the same rate as glass, make it excellent at preventing air leakage and reducing heat transfer.
Learn more about our Fiberglass Window Frames

Vinyl Window Frames
Following fiberglass are the Milgard Tuscany and Milgard Trinsic vinyl window frames. Vinyl may expand and contract more than fiberglass, but it remains a highly efficient, durable, and cost-effective frame material that delivers on energy efficiency.

Clad-Wood Vinyl Window Frames
For homeowners in Kent wanting to add a touch of luxury, classic elegance, and warmth to their homes, the Andersen Windows E-Series clad-wood vinyl windows are a great option. These windows are manufactured using high-quality wood in a variety of species and finishes that are weather-resistant and require no painting.
Learn more about our Clad-Wood Window Frames
Energy-Efficient Windows Provide Kent Homeowner With Many Benefits
Choosing energy-efficient windows brings a wealth of benefits to Kent homeowners, from cost savings to increased property value. The top advantages include:
- Lower Energy Costs: Energy-efficient windows minimize heat loss in winter and keep the heat out during summer, leading to lower heating and cooling costs.
- Improved Comfort: These windows help maintain a consistent indoor temperature, enhancing the comfort of your home by reducing cold drafts and overheated spaces.
- Reduced UV Damage: Many energy-efficient windows come with special coatings that can block harmful UV rays, protecting your furnishings and floorings from sun damage and fading.
- Less Condensation: High-quality energy-efficient windows can significantly reduce condensation build-up, which can cause mold and mildew problems.
- Soundproofing: These windows usually have superior insulation properties that can help reduce noise from outside, creating a quieter and more peaceful home environment.
- Environmental Impact: By consuming less energy for heating and cooling, you’re reducing the emission of greenhouse gases, thereby decreasing your carbon footprint.
- Increased Natural Light: Energy-efficient windows often have advanced designs and coatings that allow for more natural light while preventing heat transfer.
- Improved Home Value: Installing energy-efficient windows can increase the value of your home, making it more appealing to potential buyers.
- Reduced HVAC Strain: By maintaining stable indoor temperatures, these windows reduce the workload on your HVAC system, potentially prolonging its lifespan.
- Potential Tax Benefits: Depending on your location, you might be eligible for tax credits or rebates when you install energy-efficient windows, saving you money.
Find The Best Energy-Efficient Windows For Your Kent Home
Experience the difference of energy-efficient windows in your Kent home with Lake Washington Windows and Doors expert window replacement and installation services. For decades we’ve been replacing and installing windows and doors in Kent and throughout the Greater Seattle area. Our commitment to industry-leading products and outstanding customer service has earned us a reputation as one of the leading replacement window dealers and installation companies in the region.
Visit our Renton showroom or book a no-obligation, complimentary in-home window consultation to discover the perfect energy-efficient window solution to enhance the comfort, value, and eco-friendliness of your home.