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Best Window Installers in Harwich, MA (2026)

84 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Harwich: Renewal by Andersen Window Replacement, CR Score 62/100; 4.9★ from 889 Google reviews; open 7 days a week.

  2. 9

    Best for emergencies (open 24/7): New Look Services Inc, posts 24/7 hours; ranked #9 of 84.

  3. 10

    Most-reviewed: Cape Cod Home Improvement, 341 Google reviews at 5.0★, the most of 84 ranked after Renewal by Andersen Window Replacement; ranked #10.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

84 Harwich window installers are ranked here by CR Score, from ten published factors. 6 are open 24/7, 50 open Saturdays and 15 open Sundays, based on posted hours. The median Google rating is 5.0★ across 84 rated businesses.

Most of this list also appears on the Window installers in Yarmouth ranking. See Window installers in Yarmouth

Top 10 window installers in Harwich at a glance

Top 10 window installers in Harwich at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Renewal by Andersen Window Replacement624.9★ (889)Acushnet, 27 mi awaySat · Sun · EveningsOverall
2Hammer Dude Handyman605.0★ (110)West Yarmouth, 10 mi awaySat—
3Michael Doherty Window Cleaning595.0★ (41)Barnstable, 3 mi awaySat—
4General Cape LLC585.0★ (22)HarwichSat—
5Cape Cod Gutters584.8★ (82)Hyannis, 10 mi awaySat—
6Aluminum Products of Cape Cod584.9★ (86)Barnstable, 3 mi away——
7Overseas Wood Design | Custom Stairs & Railings585.0★ (21)Hyannis, 12 mi awaySat · Sun · Evenings—
8Cape Cod Renovation584.9★ (59)Centerville, 14 mi awaySat—
9New Look Services Inc565.0★ (3)Hyannis, 12 mi away24/7Emergencies
10Cape Cod Home Improvement565.0★ (341)West Yarmouth, 10 mi awaySatMost reviews

The 84 best window installers in Harwich, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  2. #2 Hammer Dude Handyman

    Based in West Yarmouth, 10 mi away

    60/100CR Score

    Ranked #2 because of its Google rating and trade focus: 5.0★ from 110 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 110 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat 10 AM–3 PM · Sun closed
    Address
    Cleveland Way, West Yarmouth, MA 02673
    View profile for Hammer Dude Handyman(774) 224-4040

  3. #3 Michael Doherty Window Cleaning

    Based in Barnstable, 3 mi away

    59/100CR Score

    Ranked #3 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 41 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat 8 AM–12 PM · Sun closed
    Address
    62 Mild Bay Cir, Dennis Port, MA 02639
    View profile for Michael Doherty Window Cleaning(774) 400-4517

  4. #4 General Cape LLC

    Based in Harwich

    58/100CR Score

    Ranked #4 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 22 Google reviews
    Hours
    Mon–Sat 8 AM–6 PM · Sun closed
    Address
    2350 Main St, South Chatham, MA 02659
    View profile for General Cape LLC(508) 280-2271

  5. #5 Cape Cod Gutters

    Based in Hyannis, 10 mi away

    58/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.8★ from 82 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 82 Google reviews
    Hours
    Mon–Sat 8 AM–4 PM · Sun closed
    Address
    92 Rosary Ln STE 3, Hyannis, MA 02601
    View profile for Cape Cod Gutters(774) 470-5871

  6. #6 Aluminum Products of Cape Cod

    Based in Barnstable, 3 mi away

    58/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 86 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 86 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    476 Main St, Dennis Port, MA 02639
    View profile for Aluminum Products of Cape Cod(508) 398-8546

  7. #7 Overseas Wood Design | Custom Stairs & Railings

    Based in Hyannis, 12 mi away

    58/100CR Score

    Ranked #7 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 21 Google reviews
    Hours
    Mon–Fri 6 AM–9 PM · Sat–Sun 8 AM–5 PM
    Address
    724 Main St UNIT J, Hyannis, MA 02601
    View profile for Overseas Wood Design | Custom Stairs & Railings(508) 648-4700

  8. #8 Cape Cod Renovation

    Based in Centerville, 14 mi away

    58/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.9★ from 59 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 59 Google reviews
    Hours
    Mon 8 AM–5 PM · Tue 8 AM–5:30 PM · Wed–Fri 8 AM–5 PM · Sat 9 AM–1 PM · Sun closed
    Address
    1645 Falmouth Rd, Centerville, MA 02632
    View profile for Cape Cod Renovation(774) 234-7776

  9. #9 New Look Services Inc

    Based in Hyannis, 12 mi away

    56/100CR Score

    Ranked #9 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 3 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    76 W Main St #108, Hyannis, MA 02601
    View profile for New Look Services Inc(508) 778-1000

  10. #10 Cape Cod Home Improvement

    Based in West Yarmouth, 10 mi away

    56/100CR Score

    Ranked #10 because of its Google rating and review volume: 5.0★ from 341 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 341 Google reviews
    Hours
    Mon–Fri 7:30 AM–6 PM · Sat 8 AM–3 PM · Sun closed
    Address
    27 Mill Pond Rd, West Yarmouth, MA 02673
    View profile for Cape Cod Home Improvement(508) 469-0102

  11. #11 Cape Cod Doors - Door Installation, Supplier, Contractor

    Based in Eastham, 10 mi away

    56/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 30 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    White Pines Dr, Eastham, MA 02642
    View profile for Cape Cod Doors - Door Installation, Supplier, Contractor(774) 316-4146

  12. #12 Delta Painting Cape Inc

    Based in Harwich

    55/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.2★ from 5 Google reviews
    Hours
    Mon–Sat 7 AM–5 PM · Sun closed
    Address
    32 American Way, South Dennis, MA 02660
    View profile for Delta Painting Cape Inc(508) 280-0650

  13. #13 Cape & Islands Glass - Orleans

    Based in Harwich

    55/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.0★ from 13 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.0★ from 13 Google reviews
    Hours
    Mon closed · Tue 9 AM–3 PM · Wed closed · Thu 9 AM–3 PM · Fri closed · Sat 9 AM–1 PM · Sun closed
    Address
    71 Finlay Rd, Orleans, MA 02653
    View profile for Cape & Islands Glass - Orleans(508) 255-8131

  15. #15 Jedson Maintenance & Construction Contractor

    Based in Hyannis, 11 mi away

    54/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 6 Google reviews
    Hours
    Mon–Fri 7 AM–6:30 PM · Sat 7 AM–3:30 PM · Sun closed
    Address
    11 High School Rd, Hyannis, MA 02601
    View profile for Jedson Maintenance & Construction Contractor(508) 292-9530

  19. #19 L & M Glass Corporation

    Based in Hyannis, 10 mi away

    54/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.6★ from 20 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 20 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    245 Old Yarmouth Rd, Hyannis, MA 02601
    View profile for L & M Glass Corporation(508) 778-6888

  21. Based in Hyannis, 12 mi away

    54/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.0★ from 7 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.0★ from 7 Google reviews
    Hours
    Mon–Fri 7:30 AM–4:30 PM · Sat 7:30 AM–4 PM · Sun closed
    Address
    700 Bearses Way, Hyannis, MA 02601
    View profile for Marvin Design Gallery by Premium(508) 771-6278

  22. #22 All Cape Aluminum

    Based in Hyannis, 11 mi away

    53/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.6★ from 17 Google reviews, listed on Google as “Window installation service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 17 Google reviews
    Hours
    Mon–Tue 9 AM–5 PM · Wed closed · Thu–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    192 Iyannough Rd, Hyannis, MA 02601
    View profile for All Cape Aluminum(508) 775-4299

  23. #23 GBA Window Cleaning

    Based in Barnstable, 14 mi away

    53/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Gutter cleaning service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 35 Google reviews
    Hours
    Mon–Sat 8 AM–5 PM · Sun closed
    View profile for GBA Window Cleaning(508) 246-6610

How much do window installers cost in Harwich?

Typical prices in USD, adjusted for Massachusetts with a published regional index. Each row names its basis and month.

How much do window installers cost in Harwich?
JobLowTypicalHighBasisChecked
Window replacement$3,410$7,300$11,760Per project (several windows): typical range of customer-reported projects. US national range × 0.99 New England factor (2025 Cost vs. Value Report)October 2026

How we ranked Harwich window installers

We scored 84 Harwich window installers on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Harwich data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Window installers in Harwich: frequently asked questions

Who is the best window installer in Harwich?

By CR Score, the highest-ranked window installer in Harwich, MA is Renewal by Andersen Window Replacement with a CR Score of 62/100. It has 4.9★ from 889 Google reviews. It is open 7 days a week. Hammer Dude Handyman (#2) and Michael Doherty Window Cleaning (#3) follow. We ranked 84 window installers on ten factors, last updated October 22, 2026.

How many window installers are there in Harwich?

ContractorsRanked ranks 84 window installers serving Harwich, MA. 4 of them are based in Harwich; the rest serve it from nearby towns. Counts are as of October 2026.

Which window installers in Harwich are open 24/7?

6 ranked window installers in Harwich post 24/7 hours. The highest-ranked are New Look Services Inc (#9) and Mayflower Remodeling & Roofing (#14). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which window installers in Harwich work on weekends?

50 of 84 ranked window installers post Saturday hours and 15 post Sunday hours. The highest-ranked open Saturdays are Renewal by Andersen Window Replacement (#1), Hammer Dude Handyman (#2) and Michael Doherty Window Cleaning (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does window replacement cost in Harwich?

Window replacement typically costs $3,410 to $11,760, with $7,300 typical (Per project (several windows): typical range of customer-reported projects. US national range × 0.99 New England factor (2025 Cost vs. Value Report)). The range is adjusted for Massachusetts. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Harwich window installers have?

The median Google rating among 84 rated window installers in Harwich is 5.0★, with a median of 18 reviews. Renewal by Andersen Window Replacement has the most, 889 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank window installers?

Each window installer gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do window installers outside Harwich count in this ranking?

Yes, if they are within 40 mi of the Harwich city center, our service radius for window installers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Update log for Harwich

  1. October 2026: CR Scores recalculated for 84 window installers serving Harwich.

More window installers and Harwich pages

Other trades in Harwich