18 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Thurmont: Atlas Home Energy Solutions, CR Score 57/100; 4.9★ from 858 Google reviews.
Most-reviewed: AROCON Roofing & Construction, 1,809 Google reviews at 4.8★, the most of 18 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
18 Thurmont insulation contractors are ranked here by CR Score, from ten published factors. 8 open Saturdays and 3 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 | Atlas Home Energy Solutions | 57 | 4.9★ (858) | Frederick, 17 mi away | — | Overall |
| 2 | Home Paramount Pest Control | 57 | 4.6★ (86) | Frederick, 8 mi away | Sat | — |
| 3 | Environmental Pest Control | 55 | 4.8★ (231) | Mount Airy, 22 mi away | Sat | — |
| 4 | AROCON Roofing & Construction | 54 | 4.8★ (1,809) | Westminster, 22 mi away | Sat · Sun · Evenings | Most reviews |
| 5 | Home Paramount Pest Control | 53 | 4.4★ (72) | Hagerstown, 18 mi away | Sat | — |
| 6 | Western Cary Building Products | 52 | 4.9★ (48) | Hagerstown, 17 mi away | — | — |
| 7 | EET Insulation | 52 | 5.0★ (23) | Ballenger Creek, 13 mi away | — | — |
| 8 | Insulation Solutions By Mike | 52 | 5.0★ (3) | Hagerstown, 12 mi away | Sat · Sun | — |
| 9 | Tri State Home Improvements Inc. | 51 | 5.0★ (5) | Frederick, 18 mi away | Sat · Evenings | — |
| 10 | Fortress Foundation Solutions | 50 | 4.9★ (476) | Frederick, 17 mi away | — | — |
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.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 858 Google reviews, listed on Google as “Insulation contractor”.
Based in Frederick, 8 mi away
Ranked #2 because of its Google rating and trade focus: 4.6★ from 86 Google reviews, listed on Google as “Insulation contractor”.
Based in Mount Airy, 22 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 231 Google reviews, listed on Google as “Insulation contractor”.
Based in Westminster, 22 mi away
Ranked #4 because of its Google rating and review volume: 4.8★ from 1,809 Google reviews, the most in Thurmont.
Based in Hagerstown, 18 mi away
Ranked #5 because of its Google rating and trade focus: 4.4★ from 72 Google reviews, listed on Google as “Insulation contractor”.
Based in Hagerstown, 17 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Insulation contractor”.
Based in Ballenger Creek, 13 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based in Hagerstown, 12 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based in Frederick, 18 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based in Frederick, 17 mi away
Ranked #10 because of its Google rating and review volume: 4.9★ from 476 Google reviews.
Based in Frederick, 17 mi away
Ranked #11 because of its Google rating and trade focus: 4.4★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based in Frederick, 13 mi away
Ranked #12 because of its Google rating and review volume: 4.8★ from 186 Google reviews.
Based in Frederick, 16 mi away
Ranked #13 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based in Gettysburg, 17 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 10 Google reviews, listed on Google as “Roofing contractor”.
Based in Hagerstown, 15 mi away
Ranked #15 because of its Google rating and trade focus: 3.4★ from 10 Google reviews, listed on Google as “Roofing contractor”.
Based in Frederick, 22 mi away
Ranked #16 because of its Google rating and review volume: 5.0★ from 87 Google reviews.
Based in Fountainhead-Orchard Hills, 16 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 20 Google reviews, listed on Google as “Contractor”.
Based in Hagerstown, 17 mi away
Ranked #18 because of its Google rating and review volume: 3.5★ from 45 Google reviews.
9 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 |
|---|---|---|
| Frost Fire Insulation Inc. | 5.0★ (2) | 22 mi |
| Kelco Insulation Inc | 5.0★ (2) | 20 mi |
| Kelco Insulation Inc | 23 mi | |
| Koala Insulation of Frederick-Mt. Airy | 16 mi | |
| Mid Atlantic Spray Foam LLC | 5.0★ (1) | 23 mi |
| Mid Atlantic Spray Foam, LLC | 3.5★ (2) | 15 mi |
| Optimum Spray Foam Insulation | 4.0★ (2) | 23 mi |
| Optimum Spray Foam Insulation | 5.0★ (2) | 23 mi |
| Roof Replacement Pros - Thurmont | 5.0★ (1) | In Thurmont |
National price ranges in USD, not adjusted for Thurmont. 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 Thurmont 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 Thurmont 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 |