16 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Waterboro: Simply Pest Solutions, CR Score 77/100; 4.8★ from 30 Google reviews; open Saturdays until 3 PM.
Most-reviewed: TC Hafford Basement Systems, 290 Google reviews at 4.6★, the most of 16 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
16 Waterboro insulation contractors are ranked here by CR Score, from 8 published factors. 4 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.8★ across 16 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Simply Pest Solutions | 77 | 4.8★ (30) | Gorham, 20 mi away | Sat | Overall |
| 2 | Simplified Green Homes | 77 | 4.8★ (39) | Lebanon, 12 mi away | — | — |
| 3 | Kessler Home Consulting LLC | 76 | 5.0★ (4) | Gorham, 19 mi away | Sat · Sun | — |
| 4 | TC Hafford Basement Systems | 76 | 4.6★ (290) | Biddeford, 15 mi away | Sat · Evenings | Most reviews |
| 5 | Anderson Insulation of Maine | 76 | 4.8★ (38) | Saco, 14 mi away | — | — |
| 6 | Horizon Homes | 76 | 4.9★ (62) | Westbrook, 20 mi away | — | — |
| 7 | Evergreen Home Performance | 75 | 4.7★ (101) | Portland, 22 mi away | — | — |
| 8 | Efficient Home Services, LLC | 73 | 5.0★ (13) | Eliot, 22 mi away | Sat | — |
| 9 | Heatmizer Insulation llc | 73 | 5.0★ (8) | Sanford, 9 mi away | — | — |
| 10 | Casco Bay Insulation Inc. | 72 | 5.0★ (18) | Westbrook, 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 trade focus: 4.8★ from 30 Google reviews, listed on Google as “Insulation contractor”.
Based in Lebanon, 12 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 39 Google reviews, listed on Google as “Insulation contractor”.
Based in Gorham, 19 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based in Biddeford, 15 mi away
Ranked #4 because of its Google rating and review volume: 4.6★ from 290 Google reviews, the most Google reviews on this list (290).
Based in Saco, 14 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 38 Google reviews, listed on Google as “Insulation contractor”.
Based in Westbrook, 20 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Insulation contractor”.
Based in Portland, 22 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 101 Google reviews, listed on Google as “Insulation contractor”.
Based in Eliot, 22 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based in Sanford, 9 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based in Westbrook, 22 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based in Portland, 23 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based in Portland, 24 mi away
Ranked #12 because of its Google rating and trade focus: 4.4★ from 46 Google reviews, listed on Google as “Insulation contractor”.
Based in Portland, 24 mi away
Ranked #13 because of its Google rating and trade focus: 4.1★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based in Gorham, 18 mi away
Ranked #14 because of its Google rating and trade focus: 4.1★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based in Gorham, 24 mi away
Ranked #15 because of its Google rating and trade focus: 2.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based in Lebanon, 15 mi away
Ranked #16 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “HVAC contractor”.
14 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 |
|---|---|---|
| Accurate Insulation Upgraded LLC | 5.0★ (2) | 14 mi |
| Atlas Property Serrvices LLC. | 24 mi | |
| Black Bear Insulation L.L.C | 22 mi | |
| Black Bear Insulation LLC | 12 mi | |
| Colonial Insulation & Fireproofing | 14 mi | |
| Cozy Homes Insulation | 15 mi | |
| High Efficiency Foam | 22 mi | |
| Irex Energy Solutions | 16 mi | |
| Mainely Insulation | 11 mi | |
| MidMaine Blower Door LLC | 5.0★ (1) | 23 mi |
| Pelletier Insulation LLC | 5.0★ (2) | 3 mi |
| Seacoast Home Services & Energy Auditing | 19 mi | |
| Solarize Window Insulators | 5.0★ (1) | 13 mi |
| Twin City Builders & Insulator | 10 mi |
National price ranges in USD, not adjusted for Waterboro. 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 |
We scored 16 Waterboro 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 Waterboro 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 |