14 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Grinnell: West Shore Home, CR Score 86/100; 4.8★ from 179 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Millmiers Home Improvement, posts 24/7 hours; ranked #2 of 14.
Most-reviewed: Midwest Seamless Vinyl Siding & Windows Inc., 70 Google reviews at 4.7★, the most of 14 ranked after West Shore Home; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
14 Grinnell window installers are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 4 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.8★ across 14 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | West Shore Home | 86 | 4.8★ (179) | Altoona, 39 mi away | Sat · Sun · Evenings | Overall |
| 2 | Millmiers Home Improvement | 75 | 4.6★ (11) | Oskaloosa, 36 mi away | 24/7 | Emergencies |
| 3 | Direct Egress & Construction | 75 | 4.7★ (56) | Clive, 37 mi away | — | — |
| 4 | Leavens Construction | 73 | 4.3★ (3) | Newton, 10 mi away | Sat · Sun · Evenings | — |
| 5 | INTEGRITY DOOR & WINDOW | 72 | 5.0★ (3) | Ankeny, 15 mi away | — | — |
| 6 | Home By Home Exteriors & More, LLC | 71 | 4.8★ (30) | Ankeny, 37 mi away | Sat · Evenings | — |
| 7 | Midwest Seamless Vinyl Siding & Windows Inc. | 71 | 4.7★ (70) | Altoona, 39 mi away | — | Most reviews |
| 8 | Element Siding and Windows | 71 | 5.0★ (18) | Pella, 26 mi away | — | — |
| 9 | Tim Nichols Construction | 69 | 4.8★ (19) | Marshalltown, 21 mi away | Evenings | — |
| 10 | Strand's | 68 | 4.7★ (23) | Marshalltown, 22 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 179 Google reviews, the most Google reviews on this list (179).
Based in Oskaloosa, 36 mi away
Ranked #2 because of its Google rating and availability: 4.6★ from 11 Google reviews, open 24/7.
Based in Clive, 37 mi away
Ranked #3 because of its Google rating and trade focus: 4.7★ from 56 Google reviews, listed on Google as “Window installation service”.
Based in Newton, 10 mi away
Ranked #4 because of its Google rating and availability: 4.3★ from 3 Google reviews, open 7 days a week.
Based in Ankeny, 15 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Window installation service”.
Based in Ankeny, 37 mi away
Ranked #6 because of its Google rating and review volume: 4.8★ from 30 Google reviews, 30 Google reviews.
Based in Altoona, 39 mi away
Ranked #7 because of its Google rating and review volume: 4.7★ from 70 Google reviews, 70 Google reviews.
Based in Pella, 26 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Siding contractor”.
Based in Marshalltown, 21 mi away
Ranked #9 because of its Google rating and review volume: 4.8★ from 19 Google reviews, 19 Google reviews.
Based in Marshalltown, 22 mi away
Ranked #10 because of its Google rating and review volume: 4.7★ from 23 Google reviews, 23 Google reviews.
Based in Newton, 18 mi away
Ranked #11 because of its Google rating and review volume: 4.5★ from 30 Google reviews, 30 Google reviews.
Based in Clive, 37 mi away
Ranked #12 because of its Google rating and review volume: 4.8★ from 16 Google reviews, 16 Google reviews.
Based in Clive, 37 mi away
Ranked #13 because of its Google rating and review volume: 5.0★ from 18 Google reviews, 18 Google reviews.
Based in Ankeny, 37 mi away
Ranked #14 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Roofing contractor”.
20 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 |
|---|---|---|
| ACV Roofing | 5.0★ (2) | 30 mi |
| Anderson Construction | 33 mi | |
| Boger Siding & Windows | 5.0★ (1) | 37 mi |
| Bonar Perry Interiors | 5.0★ (2) | 37 mi |
| Briar Built Construction LLC | 38 mi | |
| Dutch's Construction, L.L.C. | 5.0★ (2) | In Grinnell |
| Grinnell Handyman Services LLC | 5.0★ (10) | In Grinnell |
| Gutter Kingz LLC | 4.7★ (12) | In Grinnell |
| Martinez Construction | 26 mi | |
| MTP Solutions, LLC | 5.0★ (2) | 38 mi |
| Olde Town Roofing | 1.0★ (2) | 40 mi |
| On Call Restoration | 5.0★ (6) | In Grinnell |
| Paeonian Springs Window Replacement | 23 mi | |
| Rivera's Construction LLC | 22 mi | |
| Sears Heating and Air Conditioning | 21 mi | |
| Shipley Construction | 3.0★ (1) | 26 mi |
| Vander Linden Construction Inc | In Grinnell | |
| Wel-Done Construction | 5.0★ (1) | 36 mi |
| Wilshire Home Services, LLC | 5.0★ (1) | 37 mi |
| Wyatt Construct LLC | 4.3★ (36) | In Grinnell |
Typical prices in USD, adjusted for Iowa with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,550 | $7,580 | $12,220 | Per project (several windows): typical range of customer-reported projects. US national range × 1.03 West North Central factor (2025 Cost vs. Value Report) | October 2026 |
We scored 14 Grinnell 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 Grinnell 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 |