28 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Bethlehem: CDA Inspection Services, CR Score 65/100; 5.0★ from 501 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): United Home Services, posts 24/7 hours; ranked #3 of 28.
Most-reviewed: Koala Insulation of Doylestown, 221 Google reviews at 4.9★, the most of 28 ranked after CDA Inspection Services; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
28 Bethlehem insulation contractors are ranked here by CR Score, from ten published factors. 2 are open 24/7, 10 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.7★ across 28 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | CDA Inspection Services | 65 | 5.0★ (501) | Emmaus, 9 mi away | Sat · Sun · Evenings | Overall |
| 2 | High Point Insulation, LLC | 62 | 5.0★ (49) | Bethlehem | Sat · Sun · Evenings | — |
| 3 | United Home Services | 59 | 4.4★ (89) | Whitehall Township, 12 mi away | 24/7 | Emergencies |
| 4 | Buss Paints | 58 | 4.7★ (101) | Emmaus, 9 mi away | Sat | — |
| 5 | Lehigh Valley Insulation | 58 | 4.9★ (21) | Bethlehem | Sat | — |
| 6 | PROJECT PROBONO LLC | 58 | 5.0★ (59) | Bethlehem | — | — |
| 7 | USA Insulation of Lehigh Valley | 58 | 4.6★ (61) | Bethlehem | — | — |
| 8 | Keystone Spray Foam of Bethlehem | 56 | 4.9★ (17) | Allentown, 2 mi away | — | — |
| 9 | Koala Insulation of Doylestown | 55 | 4.9★ (221) | Kulpsville, 24 mi away | — | Most reviews |
| 10 | Custom Weatherization LLC | 55 | 4.9★ (19) | Allentown, 4 mi away | — | — |
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 review volume: 5.0★ from 501 Google reviews, the most in Bethlehem.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bethlehem
Ranked #2 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Whitehall Township, 12 mi away
Ranked #3 because of its Google rating and trade focus: 4.4★ from 89 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Emmaus, 9 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 101 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bethlehem
Ranked #5 because of its Google rating and trade focus: 4.9★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bethlehem
Ranked #6 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bethlehem
Ranked #7 because of its Google rating and trade focus: 4.6★ from 61 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Allentown, 2 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 17 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kulpsville, 24 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 221 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Allentown, 4 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 19 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Allentown, 1 mi away
Ranked #11 because of its Google rating and trade focus: 3.9★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Perkasie, 14 mi away
Ranked #12 because of its Google rating and trade focus: 4.5★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Allentown, 5 mi away
Ranked #13 because of its Google rating and trade focus: 4.4★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Easton, 8 mi away
Ranked #14 because of its Google rating and trade focus: 4.3★ from 19 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Allentown, 6 mi away
Ranked #15 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Drexel Hill, 20 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Allentown, 10 mi away
Ranked #17 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Easton, 11 mi away
Ranked #18 because of its Google rating and review volume: 4.9★ from 91 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bedminster, 21 mi away
Ranked #19 because of its Google rating and review volume: 5.0★ from 159 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Souderton, 22 mi away
Ranked #20 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Doylestown, 24 mi away
Ranked #21 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 Harleysville, 23 mi away
Ranked #22 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hellertown, 4 mi away
Ranked #23 because of its Google rating and review volume: 4.1★ from 33 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kulpsville, 25 mi away
Ranked #24 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 Allentown, 5 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #28, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | McGlaughlin Spray Foam Insulation Inc | 46 | 3.7★ (3) | 25 mi |
| 27 | MSY - Attic Insulation & Roofing Services Co, NJ 07865 | 46 | 4.7★ (7) | 25 mi |
| 28 | Victor Samkavitz Painting | 44 | 4.0★ (4) | 22 mi |
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 |
|---|---|---|
| 123 Exteriors, Inc. | 11 mi | |
| Advanced Specialty Contractors | 5.0★ (1) | 7 mi |
| Alliance Mechanical Insulation LLC | 11 mi | |
| Alliance Mechanical Insulation, LLC | 13 mi | |
| Apex Insulation Services Inc. | 5.0★ (2) | 6 mi |
| Custom Weatherization | In Bethlehem | |
| Extreme Spray Foam of Allentown | 6 mi | |
| HOME SHIELD PRO'S ROOFING & SIDING, | 4.9★ (49) | In Bethlehem |
| Homeworks | In Bethlehem | |
| ICA Insulation | 23 mi | |
| J.W. Frey LLC | 5.0★ (2) | 3 mi |
| Keystone Insulators | 18 mi | |
| Master's Home Solutions | 4.2★ (34) | In Bethlehem |
| Novak Home Improvements Co. | 4.1★ (53) | In Bethlehem |
| O | 5.0★ (1) | 6 mi |
| PJ MAC | 4.8★ (21) | In Bethlehem |
| R&P Paving & Masonry | 24 mi | |
| Sellair, LLC | 8 mi | |
| SJM Commercial Insulation | 9 mi | |
| Specialty Products Insulation | 20 mi |
National price ranges in USD, not adjusted for Bethlehem. 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 28 Bethlehem 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 Bethlehem 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 |