20 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Halfway: Knauf Insulation, CR Score 82/100; 4.2★ from 87 Google reviews; open 24/7.
Best for emergencies (open 24/7): Emergency Water and Mold Removal, posts 24/7 hours; ranked #4 of 20.
Most-reviewed: Fortress Foundation Solutions, 476 Google reviews at 4.9★, the most of 20 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
20 Halfway insulation contractors are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 8 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.7★ across 20 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Knauf Insulation | 82 | 4.2★ (87) | Martinsburg, 21 mi away | 24/7 | Overall |
| 2 | Home Paramount Pest Control | 82 | 4.4★ (72) | Hagerstown, 1 mi away | Sat | — |
| 3 | Western Cary Building Products | 79 | 4.9★ (48) | Hagerstown, 1 mi away | — | — |
| 4 | Emergency Water and Mold Removal | 78 | 5.0★ (25) | Martinsburg, 16 mi away | 24/7 | Emergencies |
| 5 | Home Paramount Pest Control | 78 | 4.6★ (86) | Frederick, 21 mi away | Sat | — |
| 6 | Petti Pest Control | 78 | 4.7★ (25) | Martinsburg, 15 mi away | 24/7 | — |
| 7 | Insulation Solutions By Mike | 76 | 5.0★ (3) | Hagerstown, 9 mi away | Sat · Sun | — |
| 8 | Fortress Foundation Solutions | 73 | 4.9★ (476) | Frederick, 22 mi away | — | Most reviews |
| 9 | Accurate Insulation | 72 | 3.4★ (10) | Hagerstown, 4 mi away | Sat | — |
| 10 | HomeGuard Foam and Foundation | 72 | 4.8★ (25) | Martinsburg, 20 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 availability: 4.2★ from 87 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hagerstown, 1 mi away
Ranked #2 because of its Google rating and trade focus: 4.4★ from 72 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hagerstown, 1 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Martinsburg, 16 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 25 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Frederick, 21 mi away
Ranked #5 because of its Google rating and trade focus: 4.6★ from 86 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Martinsburg, 15 mi away
Ranked #6 because of its Google rating and availability: 4.7★ from 25 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hagerstown, 9 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Frederick, 22 mi away
Ranked #8 because of its Google rating and review volume: 4.9★ from 476 Google reviews, the most Google reviews on this list (476).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hagerstown, 4 mi away
Ranked #9 because of its Google rating and trade focus: 3.4★ from 10 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Martinsburg, 20 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ballenger Creek, 22 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Frederick, 18 mi away
Ranked #12 because of its Google rating and review volume: 4.8★ from 186 Google reviews, 186 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charles Town, 23 mi away
Ranked #13 because of its Google rating and trade focus: 2.3★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Hagerstown, 1 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 15 Google reviews, listed on Google as “Insulation materials store”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fountainhead-Orchard Hills, 3 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 6 of 8 factors; credentials and recency not yet collected.
Based in Hagerstown, 1 mi away
Ranked #16 because of its Google rating and trade focus: 4.5★ from 16 Google reviews, listed on Google as “Plumbing supply store”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Frederick, 25 mi away
Ranked #17 because of its Google rating and trade focus: 4.5★ from 16 Google reviews, listed on Google as “Plumbing supply store”.
Based on 6 of 8 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 6 of 8 factors; credentials and recency not yet collected.
Based in Hagerstown, 2 mi away
Ranked #19 because of its Google rating and review volume: 3.5★ from 45 Google reviews, 45 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chambersburg, 21 mi away
Ranked #20 because of its Google rating and review volume: 3.8★ from 33 Google reviews, 33 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
5 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 | 23 mi | |
| Koala Insulation of Frederick-Mt. Airy | In Halfway | |
| Mid Atlantic Spray Foam, LLC | 3.5★ (2) | 6 mi |
| Pro Desk at The Home Depot | 4.0★ (2) | 21 mi |
| Pro Desk at The Home Depot | 5.0★ (1) | 3 mi |
National price ranges in USD, not adjusted for Halfway. 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 20 Halfway 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 Halfway 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 |