17 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Biddeford: TC Hafford Basement Systems, CR Score 80/100; 4.6★ from 290 Google reviews; open Saturdays until 1 PM.
Most-reviewed: Evergreen Home Performance, 101 Google reviews at 4.7★, the most of 17 ranked after TC Hafford Basement Systems; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
17 Biddeford insulation contractors are ranked here by CR Score, from 8 published factors. 3 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.8★ across 17 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | TC Hafford Basement Systems | 80 | 4.6★ (290) | Biddeford | Sat · Evenings | Overall |
| 2 | Anderson Insulation of Maine | 79 | 4.8★ (38) | Saco, 3 mi away | — | — |
| 3 | Kessler Home Consulting LLC | 78 | 5.0★ (4) | Gorham, 15 mi away | Sat · Sun | — |
| 4 | Horizon Homes | 78 | 4.9★ (62) | Westbrook, 12 mi away | — | — |
| 5 | Simply Pest Solutions | 77 | 4.8★ (30) | Gorham, 22 mi away | Sat | — |
| 6 | Evergreen Home Performance | 77 | 4.7★ (101) | Portland, 15 mi away | — | Most reviews |
| 7 | Simplified Green Homes | 75 | 4.8★ (39) | Lebanon, 22 mi away | — | — |
| 8 | Casco Bay Insulation Inc. | 75 | 5.0★ (18) | Westbrook, 15 mi away | — | — |
| 9 | Southern Maine Spray Insulation | 74 | 4.7★ (25) | Portland, 17 mi away | — | — |
| 10 | Northeast Spray Insulation | 73 | 4.4★ (46) | Portland, 17 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: 4.6★ from 290 Google reviews, the most Google reviews on this list (290).
Based in Saco, 3 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 38 Google reviews, listed on Google as “Insulation contractor”.
Based in Gorham, 15 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 Westbrook, 12 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Insulation contractor”.
Based in Gorham, 22 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 30 Google reviews, listed on Google as “Insulation contractor”.
Based in Portland, 15 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 101 Google reviews, listed on Google as “Insulation contractor”.
Based in Lebanon, 22 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 39 Google reviews, listed on Google as “Insulation contractor”.
Based in Westbrook, 15 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based in Portland, 17 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based in Portland, 17 mi away
Ranked #10 because of its Google rating and trade focus: 4.4★ from 46 Google reviews, listed on Google as “Insulation contractor”.
Based in Gorham, 23 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based in Sanford, 15 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based in Portland, 17 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 Yarmouth, 25 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based in Gorham, 19 mi away
Ranked #15 because of its Google rating and trade focus: 4.1★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based in Lebanon, 4 mi away
Ranked #16 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “HVAC contractor”.
Based in Gorham, 20 mi away
Ranked #17 because of its Google rating and trade focus: 2.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
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 |
|---|---|---|
| About Coatings | 4.9★ (100) | In Biddeford |
| Accurate Insulation Upgraded LLC | 5.0★ (2) | 4 mi |
| Atlas Property Serrvices LLC. | 15 mi | |
| Basement Improvements, LLC | 4.9★ (343) | In Biddeford |
| Black Bear Insulation L.L.C | In Biddeford | |
| Black Bear Insulation LLC | In Biddeford | |
| Colonial Insulation & Fireproofing | 1 mi | |
| Cozy Homes Insulation | 2 mi | |
| High Efficiency Foam | 15 mi | |
| Irex Energy Solutions | 13 mi | |
| KCM Construction | 5.0★ (110) | In Biddeford |
| Kyle Campbell exterior solutions | 2.8★ (13) | In Biddeford |
| Mainely Insulation | In Biddeford | |
| MidMaine Blower Door LLC | 5.0★ (1) | 22 mi |
| Pelletier Insulation LLC | 5.0★ (2) | In Biddeford |
| PRP System Wall Inc | In Biddeford | |
| Rock-It Drywall | 4.4★ (14) | In Biddeford |
| Solarize Window Insulators | 5.0★ (1) | In Biddeford |
| Statewide Foam & Coatings Inc. | 17 mi | |
| Twin City Builders & Insulator | In Biddeford |
National price ranges in USD, not adjusted for Biddeford. 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 17 Biddeford 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 Biddeford 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 |