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Window Installation · Kent, WA/Updated June 13, 2026

The 10 Best Window Installation Companies in Kent, WA

Choosing the right window installation company can save you time and money. Our rankings highlight the best options in Kent based on real customer feedback.

Editorially independent12 companies evaluated
cover story
★ Editor's ChoiceEmerald City Energy Windows & Doors
96Score
Latest update · June 13, 2026: Initial ranking published. 12 Kent-metro window installation businesses evaluated, top 10 ranked by Vetted Score.

Window installation is more than just a home improvement; it's about energy efficiency, comfort, and enhancing your property's value. In Kent, the right windows can significantly reduce your energy bills, especially during hot summers and chilly winters.

To build this list, we evaluated 12 local providers, focusing on customer reviews and satisfaction. The top companies were selected based on their Vetted Scores, which reflect their performance in the market.

12window installation companies evaluated in Kent
4.69average rating across the field
3.0Kcustomer reviews analyzed

Cityvetted analysis of public Google review data, updated June 13, 2026.

How much does window installation cost in Kent? See the price breakdown →

Our top picks

At a glance · three categories
★ Editor's Choice
96Score

Emerald City Energy Windows & Doors

★★★★★4.9(337 reviews)

With a stellar 4.9 rating from 337 reviews, Emerald City Energy Windows & Doors is frequently praised for its exceptional customer service and quality installation.

Read full review
Best Value
95Score

Signature Window & Door Replacement

★★★★★4.9(204 reviews)

Signature Window & Door Replacement holds a 4.9 rating with 204 reviews, highlighting their competitive pricing and quality work.

Read full review
Most Reviewed
94Score

Glass Doctor of Seattle

★★★★★4.8(918 reviews)

With an impressive 4.8 rating from 918 reviews, Glass Doctor of Seattle is well-regarded for its extensive experience and reliable service.

Read full review

All 10, compared

Data as of June 13, 2026
BusinessVetted ScoreGoogle ratingReviewsBest for
1
96Score
4.9★★★★★
337Energy-efficient window solutions
2
95Score
4.9★★★★★
204Budget-sensitive projects
3
94Score
4.8★★★★★
918Extensive window services
4
91Score
4.7★★★★★
993Durability and product quality
5
88Score
5.0★★★★★
39Personalized window installations
6
88Score
5.0★★★★★
29Focused customer service
7
82Score
4.5★★★★★
138Energy-efficient windows
8
81Score
4.5★★★★★
53Custom glass solutions
9
80Score
4.4★★★★★
146Straightforward and affordable installations
10
79Score
4.4★★★★★
105Value-oriented window installations
Methodology

How we evaluated all 12 window installation companies.

We assessed each company based on their customer ratings, the number of reviews, and the quality of service provided. Our process ensures that no business pays for placement, maintaining transparency and trust in our rankings.

Monthly updates to our rankings reflect the most current customer feedback, ensuring that the information you receive is relevant and accurate.

The Vetted Score: six weighted factors

Customer sentiment25%
Rating quality20%
Review volume & velocity20%
Website trust signals15%
Service breadth10%
Business longevity10%

Sentiment is measured by AI analysis of review text, recency-weighted, with verified-pattern checks to discount suspicious review bursts.

Full reviews

The rankings · in order
1
★ Editor's Choice

Emerald City Energy Windows & Doors

★★★★★4.9(337 reviews)
96Score

With a stellar 4.9 rating from 337 reviews, Emerald City Energy Windows & Doors is frequently praised for its exceptional customer service and quality installation. Customers appreciate the team's professionalism and expertise, making them an ideal choice for energy-efficient window solutions. However, their higher pricing may be a consideration for budget-conscious homeowners.

Pros

  • Exceptional customer service
  • Quality installation
  • Energy-efficient options

Cons

  • Higher pricing than some competitors
  • Limited service area
Best forEnergy-efficient window solutions
Service areaKent and surrounding areas
Typical pricing$300 to $700 per window
2
Best Value

Signature Window & Door Replacement

★★★★★4.9(204 reviews)
95Score

Signature Window & Door Replacement holds a 4.9 rating with 204 reviews, highlighting their competitive pricing and quality work. Customers often commend their attention to detail and quick turnaround times, making them a strong contender for budget-sensitive projects. The downside is their smaller review base, which leaves some uncertainty about long-term service consistency.

Pros

  • Competitive pricing
  • Quick turnaround times
  • Attention to detail

Cons

  • Smaller review base
  • Less established than top competitors
Best forBudget-sensitive projects
Service areaKent and neighboring areas
Typical pricing$250 to $600 per window
3
Most Reviewed

Glass Doctor of Seattle

★★★★★4.8(918 reviews)
94Score

With an impressive 4.8 rating from 918 reviews, Glass Doctor of Seattle is well-regarded for its extensive experience and reliable service. Customers appreciate their comprehensive offerings, from window installation to repair services. However, some reviews indicate variability in service quality, which could be a concern for those seeking consistency. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is extensive window services. It serves Kent and surrounding regions, with $200 to $650 per window pricing, and the honest trade-offs are variability in service quality and potential for longer wait times.

Pros

  • Extensive experience
  • Reliable service
  • Comprehensive offerings

Cons

  • Variability in service quality
  • Potential for longer wait times
Best forExtensive window services
Service areaKent and surrounding regions
Typical pricing$200 to $650 per window
4

Champion Replacement Windows of Seattle

★★★★★4.7(993 reviews)
91Score

Champion Replacement Windows of Seattle has a solid 4.7 rating from 993 reviews, showcasing their commitment to quality and customer satisfaction. Many customers highlight the durability of their products and professional installation. However, some have mentioned higher costs compared to local competitors, which might not suit every budget. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is durability and product quality. It serves Kent and surrounding areas, with $350 to $750 per window pricing, and the honest trade-offs are higher costs and mixed reviews on customer service.

Pros

  • Durable products
  • Professional installation
  • Good customer satisfaction

Cons

  • Higher costs
  • Mixed reviews on customer service
Best forDurability and product quality
Service areaKent and surrounding areas
Typical pricing$350 to $750 per window
5

Seattle Glass and Window

★★★★★5.0(39 reviews)
88Score

Seattle Glass and Window has a perfect 5.0 rating from 39 reviews, which is impressive but raises questions about volume and reliability. Customers love the personalized service and attention to detail. However, be cautious as their limited review count may not fully reflect their service consistency. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is personalized window installations. It serves Kent and nearby regions, with $300 to $700 per window pricing, and the honest trade-offs are limited review count and potentially less experience.

Pros

  • Personalized service
  • Attention to detail
  • High customer satisfaction

Cons

  • Limited review count
  • Potentially less experience
Best forPersonalized window installations
Service areaKent and nearby regions
Typical pricing$300 to $700 per window
6

PNW Prestige Exteriors Window Replacement

★★★★★5.0(29 reviews)
88Score

PNW Prestige Exteriors Window Replacement also enjoys a perfect 5.0 rating from 29 reviews, which speaks to their focused customer service. Clients appreciate the quality of their work and the professionalism of their team. However, the small review base leaves some uncertainty about their long-term reliability. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is focused customer service. It serves Kent and surrounding areas, with $350 to $700 per window pricing, and the honest trade-offs are small review base and limited service history.

Pros

  • Focused customer service
  • Quality work
  • Professional team

Cons

  • Small review base
  • Limited service history
Best forFocused customer service
Service areaKent and surrounding areas
Typical pricing$350 to $700 per window
7

Infinity Replacement by Marvin

★★★★★4.5(138 reviews)
82Score

Infinity Replacement by Marvin holds a 4.5 rating from 138 reviews, recognized for their high-quality materials and energy-efficient solutions. Customers often note the superior insulation properties of their windows. However, their pricing can be on the higher side, which may not fit every homeowner's budget. That is a substantial body of feedback for a local operator, enough to trust the rating rather than credit a lucky streak. Most of what reviewers hire it for is energy-efficient windows. It serves Kent and surrounding areas, with $400 to $800 per window pricing, and the honest trade-offs are higher pricing and limited options for budget-conscious clients.

Pros

  • High-quality materials
  • Energy-efficient solutions
  • Superior insulation

Cons

  • Higher pricing
  • Limited options for budget-conscious clients
Best forEnergy-efficient windows
Service areaKent and surrounding areas
Typical pricing$400 to $800 per window
8

Niemen Glass

★★★★★4.5(53 reviews)
81Score

Niemen Glass has a 4.5 rating with 53 reviews, appreciated for their glass repair services and custom solutions. Clients often mention their craftsmanship and responsiveness. However, their smaller scale may mean less availability during peak seasons, which could be a drawback for urgent needs. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is custom glass solutions. It serves Kent and nearby areas, with $200 to $600 per window pricing, and the honest trade-offs are smaller scale and limited availability during peak seasons.

Pros

  • Craftsmanship
  • Custom solutions
  • Responsive service

Cons

  • Smaller scale
  • Limited availability during peak seasons
Best forCustom glass solutions
Service areaKent and nearby areas
Typical pricing$200 to $600 per window
9

Brightside Windows

★★★★★4.4(146 reviews)
80Score

Brightside Windows has a 4.4 rating from 146 reviews, with customers praising their friendly service and reliable installations. They are often chosen for their reasonable pricing and straightforward processes. However, some clients have reported inconsistencies in follow-up service, which could affect the overall experience. That is a substantial body of feedback for a local operator, enough to trust the rating rather than credit a lucky streak. Most of what reviewers hire it for is straightforward and affordable installations. It serves Kent and surrounding areas, with $250 to $600 per window pricing, and the honest trade-offs are inconsistencies in follow-up service and limited product offerings.

Pros

  • Friendly service
  • Reliable installations
  • Reasonable pricing

Cons

  • Inconsistencies in follow-up service
  • Limited product offerings
Best forStraightforward and affordable installations
Service areaKent and surrounding areas
Typical pricing$250 to $600 per window
10

A&W Windows LLC

★★★★★4.4(105 reviews)
79Score

A&W Windows LLC has a 4.4 rating with 105 reviews, known for their competitive pricing and solid workmanship. Customers appreciate the value they receive for the price. However, some reviews indicate potential delays in project completion, which may be a concern for those on a tight schedule. That is a substantial body of feedback for a local operator, enough to trust the rating rather than credit a lucky streak. Most of what reviewers hire it for is value-oriented window installations. It serves Kent and nearby areas, with $200 to $550 per window pricing, and the honest trade-offs are potential delays and mixed reviews on customer service.

Pros

  • Competitive pricing
  • Solid workmanship
  • Good value

Cons

  • Potential delays
  • Mixed reviews on customer service
Best forValue-oriented window installations
Service areaKent and nearby areas
Typical pricing$200 to $550 per window
Before you book

How to choose a window installation company in Kent

Selecting the right window installation company can feel overwhelming. Here are key questions to ask potential providers to ensure you make the best decision.

What warranties do you offer?

A strong warranty can protect your investment. Ask about both product and labor warranties.

Can you provide references?

Speaking to previous customers can give you insight into the company's reliability and quality of work.

What is your timeline for completion?

Understanding the expected timeline helps you plan accordingly and ensures the project fits your schedule.

What it costs

What window installation costs in Kent

The cost of window installation in Kent can vary widely based on factors such as window type, size, and the complexity of the installation. Here’s a breakdown of what you might expect to pay.

Basic window installation$200 to $500 per window for standard sizes and styles.
Mid-range window installation$500 to $1,000 per window for upgraded materials and custom sizes.
High-end window installation$1,000 to $2,500 per window for premium options and advanced features.
Full home window replacement$5,000 to $15,000 depending on the number of windows and type of installation.

Frequently asked questions

How much does window installation cost in Kent?

Window installation costs in Kent typically range from $300 to $800 per window, depending on the type and size of the window.

What is the average rating for window installation companies in Kent?

The average rating for window installation companies in Kent is around 4.5 stars, with a total of 2,962 reviews across 12 providers.

How often is this ranking updated?

We re-run the full analysis monthly with fresh review data. Last updated June 13, 2026.

Our verdict

For most Kent homes: <strong>Emerald City Energy Windows & Doors</strong>

If you want the best overall choice for window installation in Kent, Emerald City Energy Windows & Doors is the way to go. With a stellar rating of 4.9 from 337 reviews, they have proven their reliability and quality. However, if you prefer a company with a strong reputation and a larger volume of reviews, consider Glass Doctor of Seattle, which has 918 reviews and a rating of 4.8. For those who might prioritize a more personal touch or are working with a tighter budget, Signature Window & Door Replacement is a solid alternative, also rated at 4.9 but with fewer reviews at 204.