82/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 7 Google reviews, open 24/7.
- 5.0★ from 7 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 17 Raymond Rd, Deerfield, NH 03037
Best Insulation Contractors in South Berwick, ME (2026)
12 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in South Berwick: My Home Contracting, CR Score 82/100; 5.0★ from 7 Google reviews; open 24/7.
- 3
Most-reviewed: TC Hafford Basement Systems, 290 Google reviews at 4.6★, the most of 12 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
12 South Berwick insulation contractors are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 8 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.8★ across 12 rated businesses.
Top 10 insulation contractors in South Berwick at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | My Home Contracting | 82 | 5.0★ (7) | Concord, 23 mi away | 24/7 | Overall |
| 2 | Efficient Home Services, LLC | 78 | 5.0★ (13) | Eliot, 9 mi away | Sat | — |
| 3 | TC Hafford Basement Systems | 77 | 4.6★ (290) | Biddeford, 12 mi away | Sat · Evenings | Most reviews |
| 4 | Simplified Green Homes | 77 | 4.8★ (39) | Lebanon, 13 mi away | — | — |
| 5 | Ambient Insulations LLC | 77 | 4.7★ (13) | Hampton, 17 mi away | Sat | — |
| 6 | D&D Insulation LLC | 77 | 4.6★ (14) | Barrington, 13 mi away | Sat | — |
| 7 | Johnson Spray Foam Insulators LLC | 75 | 5.0★ (6) | Pembroke, 23 mi away | Sat | — |
| 8 | A2B Spray Foam | 74 | 5.0★ (3) | Derry, 19 mi away | Sat · Evenings | — |
| 9 | Sheehan Real Estate LLC | 74 | 4.4★ (27) | Durham, 9 mi away | — | — |
| 10 | Heatmizer Insulation llc | 74 | 5.0★ (8) | Sanford, 13 mi away | — | — |
The 12 best insulation contractors in South Berwick, 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 Eliot, 9 mi away
78/100CR ScoreRanked #2 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–Fri 8 AM–6 PM · Sat 8 AM–1 PM · Sun closed
Based in Biddeford, 12 mi away
77/100CR ScoreRanked #3 because of its Google rating and review volume: 4.6★ from 290 Google reviews, the most Google reviews on this list (290).
- 4.6★ from 290 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat 9 AM–1 PM · Sun closed
- Address
- 12 Homestead Dr, Wells, ME 04090
Based in Lebanon, 13 mi away
77/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 39 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 39 Google reviews
- Hours
- Mon–Fri 6:30 AM–5:30 PM · Sat–Sun closed
- Address
- 9 Little River Rd, Lebanon, ME 04027
Based in Hampton, 17 mi away
77/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “Insulation contractor”.
- 4.7★ from 13 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
- Address
- 74 Lovering Rd, North Hampton, NH 03862
Based in Barrington, 13 mi away
77/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.6★ from 14 Google reviews, listed on Google as “Insulation contractor”.
- 4.6★ from 14 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
- Address
- 300 Calef Hwy, Lee, NH 03861
Based in Pembroke, 23 mi away
75/100CR ScoreRanked #7 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–Sat 6 AM–5 PM · Sun closed
- Address
- 230 Ye Olde Canterbury Rd, Northwood, NH 03261
Based in Derry, 19 mi away
74/100CR ScoreRanked #8 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–Sat 7 AM–7 PM · Sun closed
Based in Durham, 9 mi away
74/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.4★ from 27 Google reviews, listed on Google as “Insulation contractor”.
- 4.4★ from 27 Google reviews
- Hours
- Mon–Fri 8 AM–3 PM · Sat–Sun closed
- Address
- 7 Mill Rd Unit L, Durham, NH 03824
Based in Sanford, 13 mi away
74/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 8 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 1550 Main St, Sanford, ME 04073
Based in Portsmouth, 14 mi away
73/100CR ScoreRanked #11 because of its Google rating and trade focus: 3.8★ from 13 Google reviews, listed on Google as “Insulation contractor”.
- 3.8★ from 13 Google reviews
- Hours
- Mon–Fri 6:30 AM–5 PM · Sat–Sun closed
- Address
- 360 Constitution Ave, Portsmouth, NH 03801
Based in Concord, 23 mi away
71/100CR ScoreRanked #12 because of its Google rating and availability: 4.2★ from 5 Google reviews, open 7 days a week.
- 4.2★ from 5 Google reviews
- Hours
- Mon–Sun 7 AM–9:30 PM
- Address
- 148 Old Turnpike Rd, Northwood, NH 03261
Also serving South Berwick
20 more insulation contractors within 25 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 |
|---|---|---|
| Bad Apple | 20 mi | |
| Dynamic Solutions Construction | 5.0★ (3) | In South Berwick |
| Foam Fellas | 3.0★ (2) | 5 mi |
| Foam Fellas LLC Spray foam Insulation - Professional Spray Foam Insulation Contractor in Dover NH | 5 mi | |
| Fox Hill Spray Foam | 3.0★ (2) | 14 mi |
| Insulkings | 19 mi | |
| Integrity Comfort Heating And Cooling | 5.0★ (533) | In South Berwick |
| Irex Energy Solutions | 13 mi | |
| Jones Boys Insulation Inc | 14 mi | |
| Linscott Electric, LLC | 5.0★ (243) | In South Berwick |
| Mainely Insulation | 22 mi | |
| Pelletier Insulation LLC | 5.0★ (2) | 24 mi |
| Performance Roofing, Inc. | 3.7★ (6) | In South Berwick |
| Portsmouth Spray Foam Insulation Pros | 5.0★ (1) | 8 mi |
| S - DDS Dryer Vent Cleaning Services Berwick, ME | 4.8★ (9) | In South Berwick |
| Seacoast Home Services & Energy Auditing | 3 mi | |
| Solarize Window Insulators | 5.0★ (1) | 19 mi |
| The Worthmore Group | 5.0★ (1) | 20 mi |
| Twin City Builders & Insulator | 24 mi | |
| Victura Hemp | In South Berwick |
How much do insulation contractors cost in South Berwick?
National price ranges in USD, not adjusted for South Berwick. 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 South Berwick insulation contractors
We scored 12 South Berwick 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 South Berwick 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 South Berwick: frequently asked questions
Who is the best insulation contractor in South Berwick?
By CR Score, the highest-ranked insulation contractor in South Berwick, ME is My Home Contracting with a CR Score of 82/100. It has 5.0★ from 7 Google reviews. It is open 24/7. Efficient Home Services, LLC (#2) and TC Hafford Basement Systems (#3) follow. We ranked 12 insulation contractors on 8 factors, last updated October 22, 2026.
How many insulation contractors are there in South Berwick?
ContractorsRanked ranks 12 insulation contractors serving South Berwick, ME. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which insulation contractors in South Berwick are open 24/7?
1 ranked insulation contractor in South Berwick posts 24/7 hours. The highest-ranked is My Home Contracting (#1). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in South Berwick work on weekends?
8 of 12 ranked insulation contractors post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are My Home Contracting (#1), Efficient Home Services, LLC (#2) and TC Hafford Basement Systems (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in South Berwick?
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 South Berwick. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do South Berwick insulation contractors have?
The median Google rating among 12 rated insulation contractors in South Berwick is 4.8★, with a median of 13 reviews. TC Hafford Basement Systems has the most, 290 reviews, and ranks #3. 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 South Berwick count in this ranking?
Yes, if they are within 25 mi of the South Berwick 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 South Berwick
- October 2026: CR Scores recalculated for 12 insulation contractors serving South Berwick.
More insulation contractors and South Berwick pages
Insulation contractors near South Berwick
- Insulation contractors in Eliot, ME14 ranked
- Insulation contractors in York Beach, ME9 ranked
- Insulation contractors in Lebanon, ME12 ranked
- Insulation contractors in Wells Beach Station, ME8 ranked
- Insulation contractors in Sanford, ME7 ranked
- Insulation contractors in Kennebunk, ME10 ranked
- Insulation contractors in Waterboro, ME16 ranked
- Insulation contractors in Biddeford, ME17 ranked
- Insulation contractors in Saco, ME18 ranked
- Insulation contractors in Old Orchard Beach, ME18 ranked
Other trades in South Berwick
- Roofers in South Berwick282 ranked
- Plumbers in South Berwick95 ranked
- Electricians in South Berwick102 ranked
- HVAC contractors in South Berwick160 ranked
- General contractors in South Berwick143 ranked
- Painters in South Berwick48 ranked
- Landscapers in South Berwick80 ranked
- Handymen in South Berwick32 ranked
- Kitchen remodelers in South Berwick62 ranked
- Bathroom remodelers in South Berwick52 ranked
- Flooring contractors in South Berwick54 ranked
- Tile installers in South Berwick9 ranked
- Drywall contractors in South Berwick5 ranked
- Concrete contractors in South Berwick26 ranked
- Fence contractors in South Berwick13 ranked
- Deck builders in South Berwick31 ranked
- Siding contractors in South Berwick150 ranked
- Window installers in South Berwick124 ranked
- Gutter installers in South Berwick32 ranked
- Solar installers in South Berwick40 ranked
- Garage door repair companies in South Berwick16 ranked
- Foundation repair companies in South Berwick36 ranked
- Tree services in South Berwick73 ranked
- Masonry contractors in South Berwick54 ranked
- Water damage restoration companies in South Berwick99 ranked
- Home builders in South Berwick144 ranked
- Demolition contractors in South Berwick25 ranked
- All contractors in South Berwick