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Top Window Replacement & Installation in Kent, Washington Ranked
Upgrading your windows is one of the most impactful home improvement projects you can undertake in Kent. It's not just about a fresh look; it's about enhancing comfort, boosting energy efficiency, and increasing your home's value. The Pacific Northwest's unique climate, with its damp, mild winters and cool summers, makes choosing the right windows especially important. This guide will help you understand your options for new window installation, from styles and materials to costs and the installation process, so you can make an informed decision for your home.

Local Glass Repairs LLC
seattle
Local Glass Repairs LLC is a window repair and replacement company based in Seattle, WA. They provide fast and professional glass repair services for both residential and commercial properties, specializing in accurate measurement and installation of broken or damaged windows. Their experienced team serves Seattle, Burien, and Tacoma, offering a seamless process backed by a 10-year warranty on insulated glass units.

Einar Johanson Window & Door
922 N 128th St, Seattle, WA 98133
Einar Johanson Window & Door is a window replacement company located in Seattle, WA, specializing in custom window and exterior door replacement. They offer skilled installation services performed by long-term, salaried craftsmen, ensuring precise fits and quality workmanship. With over 67 years of experience, they serve residential customers seeking reliable window and door solutions.

TN Glass Install LLC
5243 S Puget Sound Ave, Tacoma, WA 98409
TN Glass Install LLC is a window repair and replacement company based in Tacoma, WA. They serve both residential and commercial clients, offering expert installation and repair services using high-quality glass from leading manufacturers. The company handles a range of projects, from fixing windows on tall buildings to replacing windows in small businesses. They also provide emergency glass replacement services to help maintain safety and protect properties during urgent situations.

valueGLASS
3228 Perry Ave, Bremerton, WA 98310
valueGLASS is a veteran-owned window repair and replacement company based in Seattle, WA. They provide glass services for auto, residential, and commercial needs, including windshields, home windows, storefronts, and specialty vehicles. Their certified technicians also calibrate advanced driver-assistance systems (ADAS) after replacements to ensure safety and performance.

Emerald City Energy Windows & Doors
3225 S 116th St # 117, Tukwila, WA 98168
Emerald City Energy Windows & Doors is a family-owned window and door replacement company based in Seattle, WA. They specialize in installing and replacing windows and sliding glass doors, offering expert design recommendations and partnering with leading brands to provide quality products. Serving homeowners in the greater Seattle area, they focus on personalized consultations and professional installations to meet each client's unique needs.
Popular Window Styles for Kent Homes
Choosing the right window style affects your home's aesthetics, ventilation, and functionality. Here are the most common types suited for the Kent area.
- Double-Hung & Single-Hung Windows: These classic windows feature two movable sashes (double-hung) or one movable sash (single-hung). They are a timeless choice, often found in traditional and colonial-style homes. Modern versions often include tilting sashes, making cleaning from inside your home much easier 1 2.
- Picture Windows: If you want to maximize natural light and frame a beautiful view of the Puget Sound region or your garden, picture windows are ideal. These large, fixed panes don't open, providing an unobstructed view and a modern, clean look that can help modernize older Kent homes 1 3.
- Casement & Awning Windows: Hinged at the side, casement windows crank outward to catch cross-breezes, offering excellent ventilation. Awning windows are hinged at the top and open outward, allowing them to stay open even during light rain-a practical feature for our climate. Both styles provide a tight seal when closed, which is great for energy efficiency 1 3.
- Bay & Bow Windows: These projecting windows create a sense of extra space and offer panoramic views. A bay window typically consists of a large central picture window flanked by two smaller windows (often double-hung or casement), while a bow window is made of four or more equal-sized windows in a gentle curve. They add architectural interest but involve a more complex installation 1 2.
Choosing the Right Window Material
The material of your window frame impacts durability, maintenance, insulation, and cost. For Kent's weather, good insulation and resistance to moisture are key.
- Vinyl: This is a highly popular and affordable option. Vinyl windows require very little maintenance-they never need painting and resist warping and rotting. They also offer excellent thermal insulation, which helps keep your home comfortable year-round 1 3.
- Fiberglass: Known for its exceptional strength and durability, fiberglass can withstand extreme temperature changes without expanding or contracting as much as vinyl. It's one of the most energy-efficient frame materials available and can be painted to match your home's exterior, though it typically comes at a higher cost than vinyl 1 3.
- Wood & Clad-Wood: Wood windows offer a classic, warm aesthetic and natural insulation. However, they require regular maintenance to protect against moisture. Many homeowners opt for clad-wood windows, which have a wood interior for beauty and an aluminum or vinyl exterior cladding that protects against the elements and reduces maintenance 2.
Energy Efficiency: A Critical Consideration for Our Climate
Given Kent's weather patterns, investing in energy-efficient windows is crucial for comfort and cost savings. The right windows prevent heat loss in the winter and keep your home cooler in the summer.
- Glass Panes: Single-pane windows are largely obsolete for new installations. Double-pane glass is the standard, featuring two layers of glass with an insulating argon or krypton gas fill in between. For maximum efficiency, triple-pane windows add a third layer, offering superior insulation and noise reduction-a worthwhile investment for long-term savings 4 5.
- Low-E Coatings: Low-emissivity (Low-E) coatings are microscopic, invisible layers of metal oxide applied to the glass. They reflect infrared light, helping to keep heat inside during winter and outside during summer, without compromising visible light. This technology is essential for managing energy bills in our region 6 5.
- ENERGY STAR® Certification: Always look for windows that are ENERGY STAR® certified for the Northern Climate Zone. This certification means the product has been independently tested and verified to meet strict performance criteria set by the U.S. Environmental Protection Agency, ensuring they will perform well in our specific climate 6 4 7.
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Understanding Installation Types: Pocket vs. Full-Frame
The installation method significantly affects the final performance, cost, and scope of your project.
- Pocket (or Insert) Replacement: This is a less invasive method where the new window is installed into the existing frame. It's generally quicker and more affordable because the existing interior and exterior trim remains intact. However, it doesn't address potential rot or insulation issues in the old frame, so it may not offer the same level of energy efficiency improvement as a full-frame replacement 1 4.
- Full-Frame Replacement: This comprehensive approach involves removing the entire existing window, including the frame, down to the studs. It allows installers to inspect and repair any water damage, add new flashing, and apply fresh insulation. While more expensive and time-consuming, a full-frame install provides the best possible seal, maximizes energy efficiency, and is often necessary for changing window styles or sizes 1 4 8.
Window Replacement Costs in Kent
The cost to install new windows in Kent varies widely based on the factors discussed. It's most accurate to think in terms of cost per window.
- Primary Cost Factors: The final price is influenced by the window's size, material (vinyl being more affordable than fiberglass or wood), glass type (double vs. triple pane, Low-E coatings), and the complexity of the installation (pocket vs. full-frame, accessibility) 1 3 9.
- Price Ranges: For a standard-sized, double-pane vinyl window, you might expect a range of $300 to $1,200 per window for the product and professional installation. More efficient fiberglass windows, custom shapes, or complex installations like large picture windows or bays can range from $1,000 to over $2,000 per window 1 4 9 8.
- Washington Average: Industry guides suggest an average cost in Washington state of around $600 per window, though this is a broad estimate. Full-frame installations will add to this base cost 4 10.
The Professional Installation Process
Working with a qualified local professional ensures your project is done correctly, safely, and efficiently.
- Initial Consultation & Quote: A reputable installer will visit your home to assess your current windows, discuss your goals, and take precise measurements. This is when you'll receive a detailed, project-specific quote 6 11.
- Product Selection & Ordering: Based on your consultation, you'll finalize your choices for style, material, and glass features. The installer will then order your custom-made windows, which can take several weeks 10 11.
- Preparation & Installation Day: Professional crews will protect your home's interior and exterior work areas. They will carefully remove old windows, prepare the opening, install the new unit ensuring it is level and square, apply proper flashing and insulation, and seal it thoroughly to prevent air and water infiltration 11 12.
- Clean-Up & Final Walkthrough: A good installer will leave your home clean and conduct a final inspection with you to ensure you are satisfied with the workmanship and operation of your new windows 11 13.
Frequently asked questions
Sources
Footnotes
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Cost to replace a window: Smart Guide 2025 - https://homebuildwindows.com/cost-to-replace-a-window/ ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8 ↩9 ↩10
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Kent Window Replacement - Harley Exteriors - https://www.harleyexteriors.com/kent-wa/window-replacement/ ↩ ↩2 ↩3
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Kent Replacement Windows | Professional Dealer ... - https://lakewashingtonwindows.com/kent/ ↩ ↩2 ↩3 ↩4 ↩5
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Windows Replacement in Washington (2026) - EcoWatch - https://www.ecowatch.com/windows/replacement/wa ↩ ↩2 ↩3 ↩4 ↩5 ↩6
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The Windows on Washington Replacement Window Buyer's Guide - https://f.hubspotusercontent20.net/hubfs/140126/eBook_Window_Buyers_Guide/WoW_Buyers-Guide_ebook.pdf ↩ ↩2
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Our 2025 Guide to Energy Efficient Windows - https://lakewashingtonwindows.com/guide-energy-efficient-windows/ ↩ ↩2 ↩3
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20 Best Window Companies in Kent, WA (2025 Reviews) - https://www.ecowatch.com/windows/replacement/wa/kent ↩
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Window Replacement Costs Pricing Guide - https://fusionwindows.com/window-replacement-costs/ ↩ ↩2
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How Much Does Window Replacement Cost? A Full Guide - https://www.keystonewindow.com/window-replacement-cost-guide/ ↩ ↩2
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How Much Does It Cost to Replace Windows in 2025? - Cobex - https://cobexcg.com/how-much-does-it-cost-to-replace-windows/ ↩ ↩2
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Kent's Full-Service Window Replacement - https://seattlewindowsdoors.com/window-replacement-kent-wa/ ↩ ↩2 ↩3 ↩4
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Affordable Attic Window Installation - Kent Windows - https://kentwindow.com/kent-attic-window-installation ↩
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How Much Do Double-Pane Windows Cost? (2025 Guide) - https://www.thisoldhouse.com/windows/double-pane-windows-cost ↩