36 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Westfield: Eco Energy Guard LLC, CR Score 83/100; 5.0★ from 96 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Green Man's Contracting & Landscaping LLC, posts 24/7 hours; ranked #19 of 36.
Most-reviewed: American Installations, 1,054 Google reviews at 4.9★, the most of 36 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
36 Westfield insulation contractors are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 15 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.9★ across 36 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Eco Energy Guard LLC | 83 | 5.0★ (96) | Farmington, 24 mi away | Sat · Sun · Evenings | Overall |
| 2 | Fogarty's Home Services | 81 | 4.8★ (168) | Hartford, 17 mi away | Sat | — |
| 3 | Green Collar | 80 | 4.9★ (309) | South Hadley, 10 mi away | — | — |
| 4 | Precision | 80 | 5.0★ (23) | Ellington, 18 mi away | Sat · Sun · Evenings | — |
| 5 | DDS Acoustical Specialties | 79 | 4.9★ (45) | Westfield | — | — |
| 6 | Ari Spray Foam | 78 | 5.0★ (4) | Hartford, 18 mi away | Sat · Sun · Evenings | — |
| 7 | Priority Spray Foam | 76 | 5.0★ (23) | Hartford, 24 mi away | Sat · Evenings | — |
| 8 | American Installations | 76 | 4.9★ (1,054) | Chicopee, 13 mi away | Evenings | Most reviews |
| 9 | PHE Attic Insulation & Roofing Services Co, MA | 76 | 5.0★ (5) | Southampton, 6 mi away | — | — |
| 10 | JT Energy LLC | 76 | 4.9★ (33) | South Windsor, 24 mi away | Sat | — |
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: 5.0★ from 96 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hartford, 17 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 South Hadley, 10 mi away
Ranked #3 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 Ellington, 18 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Westfield
Ranked #5 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 Hartford, 18 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hartford, 24 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chicopee, 13 mi away
Ranked #8 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 Southampton, 6 mi away
Ranked #9 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 South Windsor, 24 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 33 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chicopee, 8 mi away
Ranked #11 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 Farmington, 22 mi away
Ranked #12 because of its Google rating and trade focus: 4.4★ from 30 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Enfield, 10 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 Springfield, 11 mi away
Ranked #14 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 South Hadley, 13 mi away
Ranked #15 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 Winsted, 23 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 5 of 8 factors; credentials, recency and availability not yet collected.
Based in West Hartford, 23 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Amherst, 18 mi away
Ranked #18 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 Farmington, 25 mi away
Ranked #19 because of its Google rating and availability: 4.9★ from 11 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Windsor, 19 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ellington, 16 mi away
Ranked #21 because of its Google rating and trade focus: 4.5★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Easthampton, 11 mi away
Ranked #22 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 Chicopee, 8 mi away
Ranked #23 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 Ludlow, 13 mi away
Ranked #24 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 South Hadley, 12 mi away
Ranked #25 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.
National price ranges in USD, not adjusted for Westfield. 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 36 Westfield 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 Westfield 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 |