The Best Window Contractors
We graded 10 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 2,012 Google reviews of 10 top-rated window contractors nationwide. Updated October 25, 2026.
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Pick the job — we re-rank companies by how customers rated that exact job.
Best window contractors for sliding glass door installation & replacement
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Patriot Windows and DoorsHow Job match is calculatedBuilt only from reviews Google tagged “Sliding glass door installation & replacement”:Stars on this job 55%5.00★Number of such jobs 25%13Overall Experts Score 20%61Job match= 89Stars are pulled toward the category average (4.92★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.89
Florida Windows & GlassHow Job match is calculatedBuilt only from reviews Google tagged “Sliding glass door installation & replacement”:Stars on this job 55%5.00★Number of such jobs 25%7Overall Experts Score 20%76Job match= 86Stars are pulled toward the category average (4.92★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.86
Heavy Duty Glass LLCHow Job match is calculatedBuilt only from reviews Google tagged “Sliding glass door installation & replacement”:Stars on this job 55%5.00★Number of such jobs 25%12Overall Experts Score 20%50Job match= 86Stars are pulled toward the category average (4.92★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.86
ClearView Impact SystemsHow Job match is calculatedBuilt only from reviews Google tagged “Sliding glass door installation & replacement”:Stars on this job 55%5.00★Number of such jobs 25%14Overall Experts Score 20%41Job match= 86Stars are pulled toward the category average (4.92★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.86
A&M HURRICANE PROTECTIONHow Job match is calculatedBuilt only from reviews Google tagged “Sliding glass door installation & replacement”:Stars on this job 55%5.00★Number of such jobs 25%11Overall Experts Score 20%43Job match= 84Stars are pulled toward the category average (4.92★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.84Job match = this company’s ★ on reviews Google tagged “Sliding glass door installation & replacement” (shrunk toward the category average when there are few), how many such jobs it has done, and its overall Experts Score.
What customers said about sliding glass door installation & replacement
ClearView Impact SystemsReliable local contractor for hurricane window replacement. We had several estimates and ClearView were the best in every aspect.
Patriot Windows and DoorsI would like to thank Nestor, Diana, and the Team of Patriot Windows and Doors Co. They are amazing People in addition to being very attentive, responsive, meticulous and Professional at their craft and trade. They’ve installed a beautiful sliding glass patio door at our home and We are more than happy with the…
Heavy Duty Glass LLCReached out to Heavy Duty Glass to get an estimate for replacing all the windows and doors at my house. Prior to contacting them, I got over 5 other estimates, however, when speaking with Ricardo about my project I felt most confident that they would do a great job for my project. Ricardo and team do an incredible…
ClearView Impact SystemsExpert installers for impact windows and french doors. The crew was clean and the project manager was always available.
ClearView Impact SystemsTop-rated hurricaine impact window installers! Smooth process from initial quote to final inspection.
ClearView Impact SystemsDoes a great job, very trustworthy, even went out of his way to take of some minor details that were not apart of the original job.
Overall ratings
Experts Score 0–100Experts Score (0–100)Weighted average of 7 percentiles vs other companies in the category: satisfaction 35%, workmanship 20%, reliability 15%, value 10%, momentum 8%, track record 7%, owner replies 5%. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of window contractors).
| # | Company | ScoreExperts Score (0–100)Weighted average of 7 percentiles vs other companies in the category: satisfaction 35%, workmanship 20%, reliability 15%, value 10%, momentum 8%, track record 7%, owner replies 5%. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (35%): Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume.Reliability (15%): How rarely jobs go badly: share of 1–2★ reviews in the last 24 months (fewer = better).Craft & service (20%): Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — net praise per review.Value (10%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights.Momentum (8%): Last 12 months vs lifetime average — improving or slipping.Track record (7%): Review volume and years with reviews.Accountability (5%): Owner replies to 1–3★ reviews.One letter per factor, by percentile among peers: A = top 20%, B = next 20%, and so on. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
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| 1 | Florida Windows & GlassHialeah, FL | B 76How the Experts Score is calculatedEach factor is a percentile (0–100) against the other companies in this category, then weighted:Satisfaction 35%95+33.3Reliability 15%75+11.3Craft & service 20%88+17.6Value 10%36+3.6Momentum 8%45+3.6Track record 7%65+4.6Accountability 5%50+2.5Experts Score= 76Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | ABADCBC | 5.00 | — |
| 2 |  Priority Windows and DoorsHialeah, FL | B 63How the Experts Score is calculatedEach factor is a percentile (0–100) against the other companies in this category, then weighted:Satisfaction 35%85+29.7Reliability 15%95+14.3Craft & service 20%13+2.6Value 10%79+7.9Momentum 8%45+3.6Track record 7%35+2.5Accountability 5%50+2.5Experts Score= 63Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAFBCDC | 5.00 | — |
| 3 | Patriot Windows and DoorsHialeah, FL | B 61How the Experts Score is calculatedEach factor is a percentile (0–100) against the other companies in this category, then weighted:Satisfaction 35%75+26.3Reliability 15%65+9.8Craft & service 20%63+12.6Value 10%21+2.1Momentum 8%45+3.6Track record 7%55+3.9Accountability 5%50+2.5Experts Score= 61Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBBDCCC | 5.00 | — |
| 4 |  MASTER GLASS & WINDOWS CORPHialeah, FL | B 60How the Experts Score is calculatedEach factor is a percentile (0–100) against the other companies in this category, then weighted:Satisfaction 50%65+32.5Reliability 21%85+18.2Momentum 11%45+5.1Track record 10%5+0.5Accountability 7%50+3.6Experts Score= 60Not enough data for craft & service, value; its weight is shared by the others.Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BA––CFC | 5.00 | — |
| 5 | Heavy Duty Glass LLCHialeah, FL | C 50How the Experts Score is calculatedEach factor is a percentile (0–100) against the other companies in this category, then weighted:Satisfaction 35%55+19.3Reliability 15%55+8.3Craft & service 20%38+7.6Value 10%57+5.7Momentum 8%45+3.6Track record 7%45+3.2Accountability 5%50+2.5Experts Score= 50Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | CCDCCCC | 5.00 | — |
| 6 | A&M HURRICANE PROTECTIONHialeah, FL | C 43How the Experts Score is calculatedEach factor is a percentile (0–100) against the other companies in this category, then weighted:Satisfaction 44%25+10.9Reliability 19%35+6.6Value 13%57+7.1Momentum 10%95+9.5Track record 9%95+8.3Accountability 6%5+0.3Experts Score= 43Not enough data for craft & service; its weight is shared by the others.Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | DD–CAAF | 4.82 | — |
| 7 |  A&E Doors and WindowsHialeah, FL | C 42How the Experts Score is calculatedEach factor is a percentile (0–100) against the other companies in this category, then weighted:Satisfaction 44%45+19.7Reliability 19%45+8.4Value 13%7+0.9Momentum 10%75+7.5Track record 9%25+2.2Accountability 6%50+3.1Experts Score= 42Not enough data for craft & service; its weight is shared by the others.Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | CC–FBDC | 4.99 | — |
| 8 | ClearView Impact SystemsHialeah, FL | C 41How the Experts Score is calculatedEach factor is a percentile (0–100) against the other companies in this category, then weighted:Satisfaction 44%35+15.3Reliability 19%15+2.8Value 13%93+11.6Momentum 10%85+8.5Track record 9%15+1.3Accountability 6%15+0.9Experts Score= 41Not enough data for craft & service; its weight is shared by the others.Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | DF–AAFF | 4.96 | — |
| 9 |  New Window SystemHialeah, FL | D 30How the Experts Score is calculatedEach factor is a percentile (0–100) against the other companies in this category, then weighted:Satisfaction 50%15+7.5Reliability 21%25+5.4Momentum 11%15+1.7Track record 10%85+8.5Accountability 7%95+6.8Experts Score= 30Not enough data for craft & service, value; its weight is shared by the others.Grade D: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | FD––FAA | 4.85 | — |
| 10 |  Calleja Impact Windows & DoorsHialeah, FL | F 18How the Experts Score is calculatedEach factor is a percentile (0–100) against the other companies in this category, then weighted:Satisfaction 50%5+2.5Reliability 21%5+1.1Momentum 11%5+0.6Track record 10%75+7.5Accountability 7%85+6.1Experts Score= 18Not enough data for craft & service, value; its weight is shared by the others.Grade F: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | FF––FBA | 4.93 | — |
What jobs cost
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
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Was the price fair?
All price verdicts left with reviews.
Price verdicts by year
Share calling it great / reasonable / overpriced.
How we grade
Satisfaction (35%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume.
Reliability (15%) — How rarely jobs go badly: share of 1–2★ reviews in the last 24 months (fewer = better).
Craft & service (20%) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — net praise per review.
Value (10%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights.
Momentum (8%) — Last 12 months vs lifetime average — improving or slipping.
Track record (7%) — Review volume and years with reviews.
Accountability (5%) — Owner replies to 1–3★ reviews.