14 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Willow Street: King Conservation Group, CR Score 59/100; 5.0★ from 140 Google reviews.
Best for emergencies (open 24/7): Zimmerman's Roofing, posts 24/7 hours; ranked #2 of 14.
Most-reviewed: Zimmerman's Roofing, 556 Google reviews at 4.9★, the most of 14 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
14 Willow Street insulation contractors are ranked here by CR Score, from ten published factors. 2 are open 24/7, 7 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.8★ across 14 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | King Conservation Group | 59 | 5.0★ (140) | Lancaster, 7 mi away | — | Overall |
| 2 | Zimmerman's Roofing | 59 | 4.9★ (556) | New Holland, 13 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Robert Weaver Masonry | 56 | 5.0★ (5) | Willow Street | — | — |
| 4 | Irex Services LLC | 54 | 4.5★ (4) | Lancaster, 5 mi away | — | — |
| 5 | Lantz Insulation | 54 | 5.0★ (14) | Leola, 8 mi away | — | — |
| 6 | Keystone Spray Foam | 54 | 4.8★ (20) | Red Lion, 17 mi away | Sat | — |
| 7 | Therm-All | 51 | 3.3★ (3) | Lancaster, 7 mi away | — | — |
| 8 | Schober Repair Services | 51 | 4.8★ (32) | Mount Joy, 15 mi away | 24/7 | — |
| 9 | BB Attic Insulation & Roofing Services Inc, PA | 49 | 3.9★ (7) | Columbia, 12 mi away | Sat · Evenings | — |
| 10 | Tuck's Waterproofing | 48 | 5.0★ (51) | Coatesville, 24 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: 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 New Holland, 13 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 556 Google reviews, the most in Willow Street.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Willow Street
Ranked #3 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Lancaster, 5 mi away
Ranked #4 because of its Google rating and trade focus: 4.5★ 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 Leola, 8 mi away
Ranked #5 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 Red Lion, 17 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 20 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lancaster, 7 mi away
Ranked #7 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 Mount Joy, 15 mi away
Ranked #8 because of its Google rating and review volume: 4.8★ from 32 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Columbia, 12 mi away
Ranked #9 because of its Google rating and trade focus: 3.9★ from 7 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coatesville, 24 mi away
Ranked #10 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 Coatesville, 23 mi away
Ranked #11 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 Ephrata, 14 mi away
Ranked #12 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 York, 25 mi away
Ranked #13 because of its Google rating and trade focus: 3.4★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Columbia, 11 mi away
Ranked #14 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Gutter cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
18 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 |
|---|---|---|
| Affordable Insulation | 20 mi | |
| AGL Spray Foam - Central Pennsylvania | 16 mi | |
| Barrier Spray Foam, Llc | 5.0★ (2) | 12 mi |
| Burkholder Home Solutions LLC | 17 mi | |
| First Capital Insulation Inc | 23 mi | |
| Gualim | 25 mi | |
| Homegrown Handyman LLC | 8 mi | |
| Integrity Mechanical Insulation LLC | 5.0★ (1) | 22 mi |
| Irex Advanced Specialty | 4.0★ (1) | 8 mi |
| Jay Rusden Handyman Service | 5.0★ (2) | 24 mi |
| Kuuma insulation LLC | 5.0★ (2) | 16 mi |
| P A Pride Insulation | 5.0★ (1) | 13 mi |
| PC Haines Inc. Wall & Ceiling Contractor | 5.0★ (2) | 12 mi |
| Sheaffer Spray Foam | 5.0★ (1) | 5 mi |
| Sunrise Valley Spray Foam Insulation | 5.0★ (2) | 16 mi |
| Tri-Valley Spray Foam Insulation LLC | 8 mi | |
| Trotters Exterior Insulation - Dryvit | 15 mi | |
| Weaver Quality Insulation | 7 mi |
National price ranges in USD, not adjusted for Willow Street. 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 14 Willow Street 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 Willow Street 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 |