13 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Duncan: Glass Doctor of Lawton, CR Score 80/100; 4.8★ from 427 Google reviews.
Most-reviewed: Hall Services, 51 Google reviews at 4.1★, the most of 13 ranked after Glass Doctor of Lawton; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
13 Duncan window installers are ranked here by CR Score, from 8 published factors. 4 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.6★ across 13 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Glass Doctor of Lawton | 80 | 4.8★ (427) | Lawton, 26 mi away | — | Overall |
| 2 | US House Windows | 78 | 5.0★ (7) | Lawton, 25 mi away | Sat · Sun · Evenings | — |
| 3 | Shane Burk Glass & Mirror | 77 | 4.5★ (27) | Duncan | — | — |
| 4 | Pencil Point Carpentry | 76 | 5.0★ (8) | Duncan | Sat · Sun | — |
| 5 | D & D Glass and Mirror | 76 | 5.0★ (10) | Duncan | — | — |
| 6 | West Side Carpet One Floor & Home | 74 | 5.0★ (28) | Lawton, 31 mi away | Sat · Sun · Evenings | — |
| 7 | Allied Home Improvements | 74 | 4.4★ (20) | Duncan | — | — |
| 8 | Hall Services | 72 | 4.1★ (51) | Lawton, 25 mi away | — | Most reviews |
| 9 | MBR Construction Inc | 72 | 5.0★ (9) | Burbank, 6 mi away | Sat | — |
| 10 | The Glass Shop | 71 | 4.4★ (28) | Chickasha, 34 mi away | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and review volume: 4.8★ from 427 Google reviews, the most Google reviews on this list (427).
Based in Lawton, 25 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Window installation service”.
Based in Duncan
Ranked #3 because of its Google rating and trade focus: 4.5★ from 27 Google reviews, listed on Google as “Window installation service”.
Based in Duncan
Ranked #4 because of its Google rating and availability: 5.0★ from 8 Google reviews, open 7 days a week.
Based in Duncan
Ranked #5 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Window installation service”.
Based in Lawton, 31 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 28 Google reviews, open 7 days a week.
Based in Duncan
Ranked #7 because of its Google rating and trade focus: 4.4★ from 20 Google reviews, listed on Google as “Window installation service”.
Based in Lawton, 25 mi away
Ranked #8 because of its Google rating and trade focus: 4.1★ from 51 Google reviews, listed on Google as “Window installation service”.
Based in Burbank, 6 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Siding contractor”.
Based in Chickasha, 34 mi away
Ranked #10 because of its Google rating and trade focus: 4.4★ from 28 Google reviews, listed on Google as “Window installation service”.
Based in Chickasha, 38 mi away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 43 Google reviews, listed on Google as “Window installation service”.
Based in Lawton, 31 mi away
Ranked #12 because of its Google rating and review volume: 4.4★ from 40 Google reviews, 40 Google reviews.
Based in Lawton, 22 mi away
Ranked #13 because of its Google rating and trade focus: 3.4★ from 5 Google reviews, listed on Google as “Roofing contractor”.
4 more window installers within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Duncan Door Co. | 4.2★ (26) | In Duncan |
| Jack Bishop Construction LLC | 3.0★ (2) | In Duncan |
| New Hope Painting and Handyman Services LLC | 5.0★ (1) | In Duncan |
| S.W.O.K Painting LLC | 2.0★ (1) | In Duncan |
Typical prices in USD, adjusted for Oklahoma with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,140 | $6,710 | $10,820 | Per project (several windows): typical range of customer-reported projects. US national range × 0.91 West South Central factor (2025 Cost vs. Value Report) | October 2026 |
We scored 13 Duncan window installers on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Duncan data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |