21 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Northampton: Green Collar, CR Score 81/100; 4.9★ from 309 Google reviews.
Most-reviewed: American Installations, 1,054 Google reviews at 4.9★, the most of 21 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
21 Northampton insulation contractors are ranked here by CR Score, from 8 published factors. 7 open Saturdays, based on posted hours. The median Google rating is 4.8★ across 21 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Green Collar | 81 | 4.9★ (309) | South Hadley, 8 mi away | — | Overall |
| 2 | Fogarty's Home Services | 78 | 4.8★ (168) | Hartford, 25 mi away | Sat | — |
| 3 | American Installations | 78 | 4.9★ (1,054) | Chicopee, 7 mi away | Evenings | Most reviews |
| 4 | JPR Attic Insulation & Roofing Services Co, MA | 77 | 4.7★ (74) | Greenfield, 19 mi away | Sat · Evenings | — |
| 5 | Cozy Home Performance, LLC | 77 | 4.7★ (28) | Amherst, 3 mi away | — | — |
| 6 | Athena Building Performance, Inc. | 76 | 4.8★ (26) | South Hadley, 7 mi away | — | — |
| 7 | DDS Acoustical Specialties | 75 | 4.9★ (45) | Westfield, 15 mi away | — | — |
| 8 | B. Alpha Construction LLC | 75 | 4.8★ (22) | Chicopee, 10 mi away | — | — |
| 9 | Foam USA, LLC | 75 | 5.0★ (12) | Easthampton, 4 mi away | — | — |
| 10 | PHE Attic Insulation & Roofing Services Co, MA | 75 | 5.0★ (5) | Southampton, 11 mi away | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 309 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hartford, 25 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 168 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chicopee, 7 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 1,054 Google reviews, the most Google reviews on this list (1,054).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greenfield, 19 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 74 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Amherst, 3 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in South Hadley, 7 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Westfield, 15 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 45 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chicopee, 10 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Easthampton, 4 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Southampton, 11 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Springfield, 14 mi away
Ranked #11 because of its Google rating and trade focus: 3.4★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Amherst Center, 12 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Enfield, 15 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in South Hadley, 9 mi away
Ranked #14 because of its Google rating and review volume: 5.0★ from 122 Google reviews, 122 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in South Hadley, 7 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chicopee, 10 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ludlow, 12 mi away
Ranked #17 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chicopee, 11 mi away
Ranked #18 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Electrician”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chicopee, 10 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Gutter cleaning service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Easthampton, 4 mi away
Ranked #20 because of its Google rating and trade focus: 3.6★ from 26 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Springfield, 17 mi away
Ranked #21 because of its Google rating and availability: 4.2★ from 5 Google reviews, open Saturdays until 9:30 PM.
Based on 6 of 8 factors; credentials and recency not yet collected.
9 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 |
|---|---|---|
| B&E | 5.0★ (1) | 15 mi |
| Blue Ribbon Painting | 23 mi | |
| CNC LLC Holyoke,Ma | 5.0★ (2) | 11 mi |
| EAG Attic Insulation & Roofing Serviecs Co, MA | 15 mi | |
| Gauthier Insulation & Chimney odor removal Ltd | 5.0★ (1) | 9 mi |
| Home Energy Solutions | 8 mi | |
| Industrial Mechanical Corporation | 10 mi | |
| Insulation Contractor & Chimney cap installation LTD | 9 mi | |
| Pelletier Insulation | 5.0★ (1) | 8 mi |
National price ranges in USD, not adjusted for Northampton. 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 21 Northampton 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 Northampton 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 |