16 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Shillington: Koala Insulation of Chester County, CR Score 59/100; 4.9★ from 231 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Zimmerman's Roofing, posts 24/7 hours; ranked #2 of 16.
Most-reviewed: Zimmerman's Roofing, 556 Google reviews at 4.9★, the most of 16 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
16 Shillington insulation contractors are ranked here by CR Score, from ten published factors. 1 is open 24/7, 8 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 5.0★ across 16 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Koala Insulation of Chester County | 59 | 4.9★ (231) | Chester Springs, 25 mi away | Sat · Sun | Overall |
| 2 | Zimmerman's Roofing | 58 | 4.9★ (556) | New Holland, 16 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Berks Spray Foam Insulation | 58 | 5.0★ (21) | Reading, 3 mi away | Sat | — |
| 4 | King Conservation Group | 55 | 5.0★ (140) | Lancaster, 22 mi away | — | — |
| 5 | Keystone Spray Foam of Allentown | 55 | 4.9★ (14) | Allentown, 11 mi away | Sat | — |
| 6 | Extreme Spray Foam of Philadelphia | 52 | 5.0★ (9) | Philadelphia, 13 mi away | — | — |
| 7 | Interpipe Insulation | 52 | 5.0★ (4) | Pottstown, 17 mi away | — | — |
| 8 | SCO Attic Insulation & Roofing Services Reading, PA | 51 | 5.0★ (4) | Reading, 3 mi away | Sat · Evenings | — |
| 9 | Lantz Insulation | 51 | 5.0★ (14) | Leola, 20 mi away | — | — |
| 10 | Inspire Contracting | 50 | 4.8★ (80) | Pottstown, 19 mi away | Sat | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 231 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Holland, 16 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 556 Google reviews, the most in Shillington.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Reading, 3 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lancaster, 22 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 140 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Allentown, 11 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 14 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Philadelphia, 13 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pottstown, 17 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Reading, 3 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Leola, 20 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pottstown, 19 mi away
Ranked #10 because of its Google rating and review volume: 4.8★ from 80 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chester Springs, 22 mi away
Ranked #11 because of its Google rating and trade focus: 4.0★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coatesville, 22 mi away
Ranked #12 because of its Google rating and review volume: 5.0★ from 51 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ephrata, 15 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coatesville, 25 mi away
Ranked #14 because of its Google rating and trade focus: 4.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lancaster, 21 mi away
Ranked #15 because of its Google rating and trade focus: 3.3★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pottstown, 15 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
16 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 |
|---|---|---|
| Ace Resources | 17 mi | |
| Barrier Spray Foam, Llc | 5.0★ (2) | 19 mi |
| BeyondHandyMan | 24 mi | |
| Burkholder Home Solutions LLC | 11 mi | |
| Dabmar Co. Inc. | 23 mi | |
| H&Y Home Repair | 25 mi | |
| Homegrown Handyman LLC | 21 mi | |
| IMC Insulation Materials | 23 mi | |
| Integrity Mechanical Insulation LLC | 5.0★ (1) | 19 mi |
| Jay Rusden Handyman Service | 5.0★ (2) | 23 mi |
| Riggs Insulation | 23 mi | |
| Sunrise Valley Spray Foam Insulation | 5.0★ (2) | 13 mi |
| Weaver Quality Insulation | 22 mi | |
| Williams Spray Foam | 5.0★ (2) | 21 mi |
| Z - DGZ Attic Insulation & Roofing Services Co, PA | 4.5★ (2) | 4 mi |
| Z - SRG Attic Insulation & Roofing Services Co, PA | 3 mi |
National price ranges in USD, not adjusted for Shillington. 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 Shillington insulation contractors on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Shillington data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |