18 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Hagerstown: Home Paramount Pest Control, CR Score 58/100; 4.4★ from 72 Google reviews; open Saturdays until 4 PM.
Best for emergencies (open 24/7): Knauf Insulation, posts 24/7 hours; ranked #4 of 18.
Most-reviewed: Atlas Home Energy Solutions, 858 Google reviews at 4.9★, the most of 18 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
18 Hagerstown insulation contractors are ranked here by CR Score, from ten published factors. 3 are open 24/7, 7 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.8★ across 18 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Home Paramount Pest Control | 58 | 4.4★ (72) | Hagerstown | Sat | Overall |
| 2 | Western Cary Building Products | 57 | 4.9★ (48) | Hagerstown | — | — |
| 3 | Atlas Home Energy Solutions | 57 | 4.9★ (858) | Frederick, 25 mi away | — | Most reviews |
| 4 | Knauf Insulation | 55 | 4.2★ (87) | Martinsburg, 23 mi away | 24/7 | Emergencies |
| 5 | Insulation Solutions By Mike | 55 | 5.0★ (3) | Hagerstown | Sat · Sun | — |
| 6 | Home Paramount Pest Control | 55 | 4.6★ (86) | Frederick, 19 mi away | Sat | — |
| 7 | Koala Insulation of Frederick – Mt. Airy | 54 | 5.0★ (47) | Halfway, 23 mi away | — | — |
| 8 | Accurate Insulation | 51 | 3.4★ (10) | Hagerstown | Sat | — |
| 9 | EET Insulation | 51 | 5.0★ (23) | Ballenger Creek, 22 mi away | — | — |
| 10 | Emergency Water and Mold Removal | 51 | 5.0★ (25) | Martinsburg, 18 mi away | 24/7 | — |
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: 4.4★ from 72 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hagerstown
Ranked #2 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Frederick, 25 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 858 Google reviews, the most in Hagerstown.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Martinsburg, 23 mi away
Ranked #4 because of its Google rating and trade focus: 4.2★ from 87 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hagerstown
Ranked #5 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Frederick, 19 mi away
Ranked #6 because of its Google rating and trade focus: 4.6★ from 86 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Halfway, 23 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Hagerstown
Ranked #8 because of its Google rating and trade focus: 3.4★ from 10 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ballenger Creek, 22 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Martinsburg, 18 mi away
Ranked #10 because of its Google rating and availability: 5.0★ from 25 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Martinsburg, 17 mi away
Ranked #11 because of its Google rating and availability: 4.7★ from 25 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Martinsburg, 23 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Frederick, 22 mi away
Ranked #13 because of its Google rating and review volume: 4.9★ from 476 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Frederick, 18 mi away
Ranked #14 because of its Google rating and review volume: 4.8★ from 186 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fountainhead-Orchard Hills, 1 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 20 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charles Town, 25 mi away
Ranked #16 because of its Google rating and trade focus: 2.3★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Hagerstown
Ranked #17 because of its Google rating and review volume: 3.5★ from 45 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Frederick, 24 mi away
Ranked #18 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Insulation 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 |
|---|---|---|
| Brandin Drywall Service LLC | 21 mi | |
| Chuck Harrell Home Construction | 4.3★ (15) | In Hagerstown |
| CMG Electric | 3.0★ (2) | In Hagerstown |
| Colby Bachtell LLC | 4.0★ (7) | In Hagerstown |
| Cumberland Valley Heating & Air Conditioning | 4.9★ (441) | In Hagerstown |
| Hagerstown Heating & Cooling | 4.8★ (660) | In Hagerstown |
| High Point Roofing | In Hagerstown | |
| Kind Contents | 5.0★ (15) | In Hagerstown |
| MG&G Dryer Vent Cleaning Services | 5.0★ (7) | In Hagerstown |
| Mid Atlantic Spray Foam, LLC | 3.5★ (2) | In Hagerstown |
| Pro Eco-Energy Audits | 24 mi | |
| SERVPRO of Washington County | 4.7★ (105) | In Hagerstown |
| Top Dryer Vent & Air Duct Cleaning And Chimney Repair Services Of Maryland | 4.6★ (17) | In Hagerstown |
| Tri State Builders | 4.6★ (10) | In Hagerstown |
| Wrenn's Construction | 4.6★ (11) | In Hagerstown |
| Zakat Dryer Vent Cleaning Services Hagerstown, MD | 5.0★ (4) | In Hagerstown |
National price ranges in USD, not adjusted for Hagerstown. 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 18 Hagerstown 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 Hagerstown 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 |