Best window installation services in Stamford

★★★★★5 (183 reviews)score 93/100

A perfect 5.0 rating across 183 reviews backs up a reputation for same-day scheduling and taking on non-standard requests, like angled shower doors, that other shops turn away. Fernando runs the crew personally and reviewers repeatedly mention updates arriving faster than promised.

• Same-day or rapid turnaround available
• Fair pricing, with extra work often done at no added cost
• Handles custom and non-standard glass and window requests
• Owner manages projects hands-on from quote to completion

Services: replacement windows, new construction windows, window repair, sliding glass doors

★★★★★4.8 (1070 reviews)score 91/100

With 1,070 reviews at a 4.8 average, this is the largest and most consistently reviewed operation on the list. Crews finish in a day or two, protect existing trim and finishes, and named installers like Ryan, Greg, and Janek show up across many reviews for the same careful work.

• Same-day or rapid installation on most jobs
• Preserves existing trim and finishes during removal
• Fibrex material quality cited over cheaper alternatives
• Named sales and installation staff with repeat mentions

Services: replacement windows, new construction windows, window repair, sliding glass doors

★★★★★4.8 (92 reviews)score 87/100

Rob is on site for projects himself, which reviewers credit for the fair pricing and quick scheduling that keep this company competitive with larger national brands. The 4.8 rating across 92 reviews reflects consistently detailed, clean work rather than a one-off streak.

• Owner oversees every project personally
• Same-day or next-day assessment for urgent jobs
• Competitive pricing against major national brands
• Custom on-site fabrication for trim and siding

Services: replacement windows, storm impact windows, new construction windows, window repair

★★★★★4.8 (109 reviews)score 87/100

This company covers replacement windows, sliding glass doors, entry doors, and storm doors, with recent reviews emphasizing fast turnaround on emergency glass repairs and accurate sizing. Named installers James, Nick, Ray, Trevor, Victor, and Ken appear repeatedly for careful, clean work.

• Same-day or next-day response on emergency glass repairs
• Named installer crews praised for skill and care
• Sizing described as quick and accurate
• Competitive pricing with room to negotiate

Watch out: An older large-order hardware mismatch went unresolved by ownership, though recent reviews show no repeat of that issue.

Services: replacement windows, storm impact windows, new construction windows, window repair

★★★★★5 (36 reviews)score 85/100

Egress Pros specializes specifically in egress windows and foundation cutting, a narrower niche than most on this list, and earns a perfect 5.0 across 36 reviews for it. Deshon handles clear communication through the process while Carlos's crew typically finishes the job in a single day.

• Specializes in egress windows with foundation-cutting expertise
• One-day installation typical
• Transparent pricing with no hidden costs
• Proactive communication by text and email throughout

Services: replacement windows, new construction windows, sliding glass doors, commercial window installation

★★★★★4.8 (640 reviews)score 84/100

With 640 reviews and a 4.8 average, this is a high-volume operation where project managers like Joe and Andrew are named for solving problems on the spot and honoring warranty work. The job-site execution itself, punctual arrival and thorough cleanup, is a consistent strength.

• On-time arrival and efficient execution
• Project managers who solve problems during the job
• Thorough daily cleanup on site
• Willing to stand behind work and reimburse for damage

Watch out: After-sales response on warranty claims and minor fixes can be slow once the final invoice is paid.

Services: replacement windows, new construction windows, window repair, commercial window installation

★★★★★5 (16 reviews)score 81/100

Isaac's crew takes on single-window replacements that larger companies decline, and a perfect 5.0 rating (from a smaller base of 16 reviews) reflects consistently quick, clean work on everything from skylights to shower enclosures. Same-day measurement and quoting is a recurring theme.

• Same-day or next-day quote and measurement
• Takes on single-window jobs competitors turn down
• Reasonable pricing on custom glass work
• Isaac's hands-on, knowledgeable approach

Services: replacement windows, new construction windows, window repair, sliding glass doors

★★★★★5 (13 reviews)score 80/100

A 5.0 rating across 13 reviews, still a modest sample, points to Kevin's crew handling entire-house window replacements in a single day with strong trim craftsmanship, particularly on Pella products. Communication stays proactive from first contact through cleanup.

• Prompt, communicative crew leadership under Kevin
• Rapid execution without sacrificing quality
• Expertise with premium brands like Pella
• Handles both exterior and interior finish work

Services: replacement windows, new construction windows, window repair, commercial window installation

★★★★★4.5 (22 reviews)score 79/100

This company's core work is kitchen and bathroom design, cabinetry, and countertops rather than window replacement specifically, but staff like Frank and Larry earn praise for flexibility on custom requests and thorough measuring. The 4.5 rating comes from a smaller pool of 22 reviews.

• Named staff known for responsiveness and problem-solving
• Willing to handle non-standard requests
• On-budget project delivery
• Thorough site measurement and design process

Services: window repair, replacement windows, commercial window installation

★★★★★4.6 (28 reviews)score 76/100

WindowRama runs a West Side Stamford showroom and offers 12-month interest-free financing, with named staff Dan and Manny drawing repeat praise for product knowledge. The 4.6 rating across 28 reviews is solid, though it sits a notch below the top performers on this list.

• Named installers and staff with strong customer loyalty
• Wide range of window styles and specialty options
• Financing available (12 months interest-free)
• Showroom for in-person product comparison

Watch out: One recent customer reported a months-long unresolved issue with wrong screens after payment.

Services: replacement windows, new construction windows, window repair, sliding glass doors

★★★★☆3.9 (22 reviews)score 66/100

Recent shower and mirror jobs get strong marks for fast scheduling and clean results, though the overall 3.9 rating across 22 reviews reflects some older complaints about communication that haven't fully faded from the record.

• Same-day or 3-day turnaround on many jobs
• Competitive pricing versus chain competitors
• Polite, efficient installers on shower and mirror work
• Attentive final quality checks

Watch out: Older reviews flagged inconsistent communication and one instance of belongings discarded without warning.

Services: replacement windows, new construction windows, window repair, sliding glass doors

★★★★★4.8 (4 reviews)score 66/100

Window King draws praise for competitive pricing and Okna 500 series products that reviewers call well-built, with installers working quickly and keeping sites clean. The 4.8 rating comes from only 4 reviews, so treat this as an early but positive signal rather than a proven track record.

• Competitive pricing compared to other installers
• Knowledgeable sales staff with product expertise

Watch out: Review volume is very small, so the track record here is thinner than most others on this list.

Services: replacement windows, new construction windows, sliding glass doors, commercial window installation

★★★★★4.8 (29 reviews)score 75/100

Frank's team fabricates custom mirrors, shower enclosures, and glass doors for both homeowners and builders, with some client relationships spanning ten years. A 4.8 rating across 29 reviews reflects precision work and a willingness to fix mistakes at no charge.

• Custom glass and mirror fabrication
• Professional coordination from measurement to install
• Rapid turnaround on replacements and repairs
• Long-term repeat client relationships

Services: replacement windows, new construction windows, window repair, sliding glass doors

★★★★☆3.8 (22 reviews)score 55/100

Luis personally consults on design and pricing for frameless shower doors, and recent installs get credit for on-time arrival and clean finishes. The overall 3.8 rating across 22 reviews is pulled down by older issues that don't appear in the current review pattern.

• Owner Luis personally consults on design and pricing
• On-time installations with quick turnaround
• Frameless custom shower door expertise
• Clean worksite and professional crew on recent jobs

Watch out: Older reviews cited communication and completion issues that recent feedback doesn't repeat.

Services: replacement windows, new construction windows, window repair, sliding glass doors

★★☆☆☆2.3 (3 reviews)score 50/100inexpensive

This location's window installation service has only 3 reviews on record, both critical of staff availability, giving it the lowest score on this list. It's included for completeness but has the thinnest and weakest review record here.

Watch out: Both available reviews cite unhelpful staff and difficulty getting assistance, with no detailed service praise to offset that.

Services: replacement windows, new construction windows, window repair, commercial window installation · Price: inexpensive