83/100CR Score
Ranked #1 because of its Google rating and availability: 4.9★ from 67 Google reviews, open 24/7.
- 4.9★ from 67 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Insulation Contractors in Harwich, MA (2026)
14 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Harwich: Mayflower Remodeling & Roofing, CR Score 83/100; 4.9★ from 67 Google reviews; open 24/7.
- 9
Most-reviewed: Ace Handyman Services Cape Cod, 203 Google reviews at 4.9★, the most of 14 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
14 Harwich insulation contractors are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 4 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 5.0★ across 14 rated businesses.
Most of this list also appears on the Insulation contractors in Yarmouth ranking. See Insulation contractors in Yarmouth
Top 10 insulation contractors in Harwich at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mayflower Remodeling & Roofing | 83 | 4.9★ (67) | Bridgewater, 14 mi away | 24/7 | Overall |
| 2 | Spray Foam of Cape Cod | 83 | 5.0★ (71) | East Falmouth, 17 mi away | Sat · Evenings | — |
| 3 | Cape Save | 80 | 5.0★ (42) | South Yarmouth, 7 mi away | — | — |
| 4 | Primos Foam Insulation - Cape Cod and Martha's Vineyard | 79 | 5.0★ (13) | East Falmouth, 14 mi away | Sat · Evenings | — |
| 5 | Cape Eco | 79 | 5.0★ (6) | Barnstable, 8 mi away | Sat | — |
| 6 | Cape Cod Insulation, Inc | 77 | 5.0★ (9) | South Yarmouth, 6 mi away | — | — |
| 7 | Cape Cod Spray Foam llc | 77 | 4.7★ (10) | Barnstable, 5 mi away | — | — |
| 8 | Frontier Energy Solutions, Inc | 77 | 4.3★ (6) | Harwich | — | — |
| 9 | Ace Handyman Services Cape Cod | 76 | 4.9★ (203) | Eastham, 12 mi away | — | Most reviews |
| 10 | All Cape Energy | 75 | 5.0★ (6) | Barnstable, 5 mi away | — | — |
The 14 best insulation contractors in Harwich, ranked
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.
Based in East Falmouth, 17 mi away
83/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 71 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 71 Google reviews
- Hours
- Mon–Sat 8 AM–7 PM · Sun closed
#3 Cape Save
Based in South Yarmouth, 7 mi away
80/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 42 Google reviews
- Hours
- Mon–Fri 9 AM–5:30 PM · Sat–Sun closed
- Address
- 7 Huntington Ave STE C, South Yarmouth, MA 02664
Based in East Falmouth, 14 mi away
79/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 13 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
#5 Cape Eco
Based in Barnstable, 8 mi away
79/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 9 AM–3 PM · Sun closed
- Address
- 16 Giddiah Hill Rd #6, Orleans, MA 02653
Based in South Yarmouth, 6 mi away
77/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 9 Google reviews
- Hours
- Mon–Fri 6:30 AM–4:30 PM · Sat–Sun closed
- Address
- 18 Reardon Cir, South Yarmouth, MA 02664
Based in Barnstable, 5 mi away
77/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 10 Google reviews, listed on Google as “Insulation contractor”.
- 4.7★ from 10 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 51 Uncle Stanleys Way, South Dennis, MA 02660
Based in Harwich
77/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Insulation contractor”.
- 4.3★ from 6 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 139 Queen Anne Rd #6, Harwich, MA 02645
Based in Eastham, 12 mi away
76/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 203 Google reviews, the most Google reviews on this list (203).
- 4.9★ from 203 Google reviews
- Hours
- Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
- Address
- 4205 State Hwy #3, Eastham, MA 02642
#10 All Cape Energy
Based in Barnstable, 5 mi away
75/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Fri 7:30 AM–5 PM · Sat–Sun closed
- Address
- 155 Underpass Rd, Brewster, MA 02631
Based in West Yarmouth, 9 mi away
73/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 3 Google reviews
- Hours
- Mon–Fri 7 AM–3 PM · Sat–Sun closed
- Address
- 546A Higgins Crowell Rd, West Yarmouth, MA 02673
Based in Eastham, 13 mi away
72/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 5 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 25 Brittany's Way, Eastham, MA 02642
Based in Mashpee, 20 mi away
67/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Electrician”.
- 4.5★ from 8 Google reviews
- Hours
- Mon–Fri 7 AM–9:30 PM · Sat–Sun closed
- Address
- 11 Cape Dr, Mashpee, MA 02649
Based in Marstons Mills, 22 mi away
66/100CR ScoreRanked #14 because of its Google rating and review volume: 4.4★ from 17 Google reviews, 17 Google reviews.
- 4.4★ from 17 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 378 MA-130, Sandwich, MA 02563
How much do insulation contractors cost in Harwich?
National price ranges in USD, not adjusted for Harwich. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Attic insulation | $1,700 | $2,100 | $2,500 | Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range | October 2026 |
How we ranked Harwich insulation contractors
We scored 14 Harwich insulation contractors 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 Harwich 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 |
Insulation contractors in Harwich: frequently asked questions
Who is the best insulation contractor in Harwich?
By CR Score, the highest-ranked insulation contractor in Harwich, MA is Mayflower Remodeling & Roofing with a CR Score of 83/100. It has 4.9★ from 67 Google reviews. It is open 24/7. Spray Foam of Cape Cod (#2) and Cape Save (#3) follow. We ranked 14 insulation contractors on 8 factors, last updated October 22, 2026.
How many insulation contractors are there in Harwich?
ContractorsRanked ranks 14 insulation contractors serving Harwich, MA. 1 of them is based in Harwich; the rest serve it from nearby towns. Counts are as of October 2026.
Which insulation contractors in Harwich are open 24/7?
1 ranked insulation contractor in Harwich posts 24/7 hours. The highest-ranked is Mayflower Remodeling & Roofing (#1). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Harwich work on weekends?
4 of 14 ranked insulation contractors post Saturday hours and 1 post Sunday hours. The highest-ranked open Saturdays are Mayflower Remodeling & Roofing (#1), Spray Foam of Cape Cod (#2) and Primos Foam Insulation - Cape Cod and Martha's Vineyard (#4). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Harwich?
Attic insulation typically costs $1,700 to $2,500, with $2,100 typical (Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range). This is a national range, not adjusted for Harwich. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Harwich insulation contractors have?
The median Google rating among 14 rated insulation contractors in Harwich is 5.0★, with a median of 10 reviews. Ace Handyman Services Cape Cod has the most, 203 reviews, and ranks #9. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank insulation contractors?
Each insulation contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do insulation contractors outside Harwich count in this ranking?
Yes, if they are within 25 mi of the Harwich city center, our service radius for insulation contractors. 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
- October 2026: CR Scores recalculated for 14 insulation contractors serving Harwich.
- October 2026: 1 duplicate listing merged.
More insulation contractors and Harwich pages
Insulation contractors near Harwich
- Insulation contractors in South Yarmouth, MA21 ranked
- Insulation contractors in Yarmouth, MA23 ranked
- Insulation contractors in West Yarmouth, MA21 ranked
- Insulation contractors in Yarmouth Port, MA23 ranked
- Insulation contractors in Hyannis, MA23 ranked
- Insulation contractors in Eastham, MA12 ranked
- Insulation contractors in Barnstable, MA24 ranked
- Insulation contractors in Centerville, MA24 ranked
- Insulation contractors in Marstons Mills, MA24 ranked
- Insulation contractors in Mashpee, MA30 ranked
Other trades in Harwich
- Roofers in Harwich132 ranked
- Plumbers in Harwich100 ranked
- Electricians in Harwich57 ranked
- HVAC contractors in Harwich127 ranked
- General contractors in Harwich150 ranked
- Painters in Harwich118 ranked
- Landscapers in Harwich138 ranked
- Handymen in Harwich33 ranked
- Kitchen remodelers in Harwich117 ranked
- Bathroom remodelers in Harwich104 ranked
- Flooring contractors in Harwich66 ranked
- Tile installers in Harwich32 ranked
- Drywall contractors in Harwich9 ranked
- Concrete contractors in Harwich11 ranked
- Fence contractors in Harwich16 ranked
- Deck builders in Harwich57 ranked
- Siding contractors in Harwich100 ranked
- Window installers in Harwich84 ranked
- Gutter installers in Harwich29 ranked
- Solar installers in Harwich19 ranked
- Garage door repair companies in Harwich10 ranked
- Foundation repair companies in Harwich8 ranked
- Tree services in Harwich106 ranked
- Masonry contractors in Harwich83 ranked
- Water damage restoration companies in Harwich41 ranked
- Home builders in Harwich135 ranked
- Demolition contractors in Harwich5 ranked
- All contractors in Harwich