35 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Hellertown: CDA Inspection Services, CR Score 92/100; 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 35.
Most-reviewed: Koala Insulation of Doylestown, 221 Google reviews at 4.9★, the most of 35 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
35 Hellertown insulation contractors are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 16 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.9★ across 35 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | CDA Inspection Services | 92 | 5.0★ (501) | Emmaus, 8 mi away | Sat · Sun · Evenings | Overall |
| 2 | High Point Insulation, LLC | 87 | 5.0★ (49) | Bethlehem, 3 mi away | Sat · Sun · Evenings | — |
| 3 | United Home Services | 85 | 4.4★ (89) | Whitehall Township, 15 mi away | 24/7 | Emergencies |
| 4 | Buss Paints | 82 | 4.7★ (101) | Emmaus, 9 mi away | Sat | — |
| 5 | Lehigh Valley Insulation | 82 | 4.9★ (21) | Bethlehem, 3 mi away | Sat | — |
| 6 | RAM Roofing & Exteriors | 82 | 4.9★ (182) | Doylestown, 22 mi away | 24/7 | — |
| 7 | Graves Brothers Home Improvement | 81 | 5.0★ (13) | Allentown, 4 mi away | 24/7 | — |
| 8 | Green Energy Guard | 78 | 4.5★ (16) | Perkasie, 12 mi away | Sat · Evenings | — |
| 9 | Koala Insulation of Doylestown | 78 | 4.9★ (221) | Kulpsville, 21 mi away | — | Most reviews |
| 10 | PROJECT PROBONO LLC | 78 | 5.0★ (59) | Bethlehem, 5 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 review volume: 5.0★ from 501 Google reviews, the most Google reviews on this list (501).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bethlehem, 3 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Whitehall Township, 15 mi away
Ranked #3 because of its Google rating and availability: 4.4★ from 89 Google reviews, open 24/7.
Based on 6 of 8 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 6 of 8 factors; credentials and recency not yet collected.
Based in Bethlehem, 3 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Doylestown, 22 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 182 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Allentown, 4 mi away
Ranked #7 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Perkasie, 12 mi away
Ranked #8 because of its Google rating and trade focus: 4.5★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kulpsville, 21 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 6 of 8 factors; credentials and recency not yet collected.
Based in Bethlehem, 5 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bethlehem, 6 mi away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 61 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Allentown, 3 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 17 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lansdale, 25 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Trenton, 22 mi away
Ranked #14 because of its Google rating and availability: 5.0★ from 60 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Doylestown, 20 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Allentown, 8 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 19 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Drexel Hill, 17 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Allentown, 3 mi away
Ranked #18 because of its Google rating and trade focus: 3.9★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Easton, 9 mi away
Ranked #19 because of its Google rating and trade focus: 4.3★ from 19 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Allentown, 7 mi away
Ranked #20 because of its Google rating and trade focus: 4.4★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Allentown, 8 mi away
Ranked #21 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bedminster, 17 mi away
Ranked #22 because of its Google rating and review volume: 5.0★ from 159 Google reviews, 159 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Souderton, 19 mi away
Ranked #23 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Pottstown, 24 mi away
Ranked #24 because of its Google rating and review volume: 4.8★ from 80 Google reviews, 80 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bedminster, 23 mi away
Ranked #25 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.
National price ranges in USD, not adjusted for Hellertown. 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 35 Hellertown 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 Hellertown 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 |