66/100CR Score
Ranked #1 because of its Google rating and review volume: 5.0★ from 501 Google reviews, the most in Allentown.
- 5.0★ from 501 Google reviews
- Hours
- Mon–Sun 8 AM–7 PM
- Address
- 173 Green St, Emmaus, PA 18049
Best Insulation Contractors in Allentown, PA (2026)
26 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Allentown: CDA Inspection Services, CR Score 66/100; 5.0★ from 501 Google reviews; open 7 days a week.
- 3
Best for emergencies (open 24/7): United Home Services, posts 24/7 hours; ranked #3 of 26.
- 23
Most-reviewed: Ace Handyman Services Central Bucks, 159 Google reviews at 5.0★, the most of 26 ranked after CDA Inspection Services; ranked #23.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
26 Allentown insulation contractors are ranked here by CR Score, from ten published factors. 3 are open 24/7, 10 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.9★ across 26 rated businesses.
Top 10 insulation contractors in Allentown at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | CDA Inspection Services | 66 | 5.0★ (501) | Emmaus, 5 mi away | Sat · Sun · Evenings | Overall |
| 2 | High Point Insulation, LLC | 61 | 5.0★ (49) | Bethlehem, 5 mi away | Sat · Sun · Evenings | — |
| 3 | United Home Services | 60 | 4.4★ (89) | Whitehall Township, 10 mi away | 24/7 | Emergencies |
| 4 | Buss Paints | 59 | 4.7★ (101) | Emmaus, 5 mi away | Sat | — |
| 5 | Keystone Spray Foam of Allentown | 57 | 4.9★ (14) | Allentown | Sat | — |
| 6 | Lehigh Valley Insulation | 56 | 4.9★ (21) | Bethlehem, 7 mi away | Sat | — |
| 7 | Keystone Spray Foam of Bethlehem | 56 | 4.9★ (17) | Allentown | — | — |
| 8 | USA Insulation of Lehigh Valley | 56 | 4.6★ (61) | Bethlehem, 7 mi away | — | — |
| 9 | Custom Weatherization LLC | 56 | 4.9★ (19) | Allentown | — | — |
| 10 | PROJECT PROBONO LLC | 56 | 5.0★ (59) | Bethlehem, 9 mi away | — | — |
The 26 best insulation contractors in Allentown, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Bethlehem, 5 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 49 Google reviews
- Hours
- Mon–Fri 7 AM–8 PM · Sat 8 AM–6 PM · Sun 9 AM–5 PM
Based in Whitehall Township, 10 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.4★ from 89 Google reviews, listed on Google as “Insulation contractor”.
- 4.4★ from 89 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 382 Long Lane Rd, Walnutport, PA 18088
#4 Buss Paints
Based in Emmaus, 5 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 101 Google reviews, listed on Google as “Insulation contractor”.
- 4.7★ from 101 Google reviews
- Hours
- Mon–Thu 7:30 AM–5 PM · Fri 7:30 AM–6 PM · Sat 9 AM–2 PM · Sun closed
- Address
- 327 Main St, Emmaus, PA 18049
Based in Allentown
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 14 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 14 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 9 AM–5 PM · Sun closed
Based in Bethlehem, 7 mi away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 21 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 21 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 7 AM–2 PM · Sun closed
- Address
- 920 Evans St, Bethlehem, PA 18015
Based in Allentown
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 17 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 17 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat–Sun closed
- Address
- 942 Delaware Ave, Fountain Hill, PA 18015
Based in Bethlehem, 7 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.6★ from 61 Google reviews, listed on Google as “Insulation contractor”.
- 4.6★ from 61 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 3400 Bath Pike Suite 201, Bethlehem, PA 18017
Based in Allentown
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 19 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 19 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 1855 Weaversville Rd, Allentown, PA 18109
Based in Bethlehem, 9 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 59 Google reviews
- Hours
- Mon–Fri 8 AM–9 AM · Sat–Sun closed
- Address
- 2636 Butztown Rd Suite 2, Bethlehem, PA 18017
Based in Allentown
54/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 3 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Allentown
54/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.4★ from 11 Google reviews, listed on Google as “Insulation contractor”.
- 4.4★ from 11 Google reviews
- Hours
- Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
- Address
- 382-394 W Whitehall St, Allentown, PA 18102
Based in Allentown
54/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 24/7.
- 5.0★ from 13 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3477 Corporate Pkwy Suite 100, Center Valley, PA 18034
Based in Allentown
54/100CR ScoreRanked #14 because of its Google rating and trade focus: 3.9★ from 13 Google reviews, listed on Google as “Insulation contractor”.
- 3.9★ from 13 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat–Sun closed
- Address
- 431 Clearfield St, Freemansburg, PA 18017
Based in Perkasie, 13 mi away
54/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.5★ from 16 Google reviews, listed on Google as “Insulation contractor”.
- 4.5★ from 16 Google reviews
- Hours
- Mon–Sat 8 AM–7 PM · Sun closed
Based in Allentown
53/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Insulation contractor”.
- 4.3★ from 6 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 1024 Easton Rd, Riegelsville, PA 18077
Based in Drexel Hill, 19 mi away
53/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 31 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat–Sun closed
Based in Easton, 15 mi away
51/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.3★ from 19 Google reviews, listed on Google as “Insulation contractor”.
- 4.3★ from 19 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 40 Hilton St, Easton, PA 18042
Based in Philadelphia, 22 mi away
49/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 9 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat–Sun closed
Based in Easton, 16 mi away
49/100CR ScoreRanked #20 because of its Google rating and review volume: 4.9★ from 91 Google reviews.
- 4.9★ from 91 Google reviews
- Hours
- Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
- Address
- 5632 Sullivan Trail, Easton, PA 18040
Based in Pottstown, 22 mi away
49/100CR ScoreRanked #21 because of its Google rating and review volume: 4.8★ from 80 Google reviews.
- 4.8★ from 80 Google reviews
- Hours
- Mon–Sat 7 AM–5 PM · Sun closed
Based in Souderton, 23 mi away
49/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
- 4.0★ from 4 Google reviews
- Hours
- Mon–Sat 7 AM–5 PM · Sun closed
- Address
- 79 W Broad St, Souderton, PA 18964
Based in Bedminster, 24 mi away
49/100CR ScoreRanked #23 because of its Google rating and review volume: 5.0★ from 159 Google reviews.
- 5.0★ from 159 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 5790 Easton Rd Suite 5766, Plumsteadville, PA 18949
#24 Riley Sales Inc
Based in Allentown
48/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 8 Google reviews
- Hours
- Mon–Fri 7 AM–4 PM · Sat–Sun closed
- Address
- 1660 E Race St, Allentown, PA 18109
#25 JJD Urethane Co.
Based in Harleysville, 23 mi away
48/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Insulation contractor”.
- 4.5★ from 8 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
All 26 insulation contractors
#1 to #25 are shown in full above. Here are #26 to #26, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Adams Plumbing | 47 | 4.1★ (33) | 8 mi |
Also serving Allentown
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.
How much do insulation contractors cost in Allentown?
National price ranges in USD, not adjusted for Allentown. 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 |
How we ranked Allentown insulation contractors
We scored 26 Allentown 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 Allentown 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 |
Insulation contractors in Allentown: frequently asked questions
Who is the best insulation contractor in Allentown?
By CR Score, the highest-ranked insulation contractor in Allentown, PA is CDA Inspection Services with a CR Score of 66/100. It has 5.0★ from 501 Google reviews. It is open 7 days a week. High Point Insulation, LLC (#2) and United Home Services (#3) follow. We ranked 26 insulation contractors on ten factors, last updated October 22, 2026.
How many insulation contractors are there in Allentown?
ContractorsRanked ranks 26 insulation contractors serving Allentown, PA. 9 of them are based in Allentown; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which insulation contractors in Allentown are open 24/7?
3 ranked insulation contractors in Allentown post 24/7 hours. The highest-ranked are United Home Services (#3), Olympus Spray Foam (#11) and Graves Brothers Home Improvement (#13). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Allentown work on weekends?
10 of 26 ranked insulation contractors post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are CDA Inspection Services (#1), High Point Insulation, LLC (#2) and United Home Services (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Allentown?
Attic insulation typically costs $1,700 to $2,500, with $2,100 typical (Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range). This is a national range, not adjusted for Allentown. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Allentown insulation contractors have?
The median Google rating among 26 rated insulation contractors in Allentown is 4.9★, with a median of 19 reviews. CDA Inspection Services has the most, 501 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank insulation contractors?
Each insulation contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do insulation contractors outside Allentown count in this ranking?
Yes, if they are within 25 mi of the Allentown city center, our service radius for insulation contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Allentown
- October 2026: CR Scores recalculated for 26 insulation contractors serving Allentown.
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