25 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Bel Air South: Home Paramount Pest Control, CR Score 57/100; 4.2★ from 70 Google reviews; open Saturdays until 4 PM.
Most-reviewed: Park Heights Roofing, 529 Google reviews at 4.9★, the most of 25 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
25 Bel Air South insulation contractors are ranked here by CR Score, from ten published factors. 11 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.3★ across 25 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Home Paramount Pest Control | 57 | 4.2★ (70) | Fallston, 4 mi away | Sat | Overall |
| 2 | Mister Insulation, LLC | 56 | 5.0★ (15) | Bel Air North, 4 mi away | Sat · Evenings | — |
| 3 | Doyle | 55 | 2.9★ (14) | Bel Air, 3 mi away | Sat · Sun · Evenings | — |
| 4 | Mid Atlantic Spray Foam LLC | 53 | 4.2★ (5) | Bel Air North, 2 mi away | — | — |
| 5 | New Generation Group, LLC | 52 | 4.9★ (129) | Carney, 11 mi away | Sat | — |
| 6 | Home Paramount Pest Control | 52 | 3.0★ (46) | Bel Air North, 6 mi away | Sat | — |
| 7 | Zerodraft Maryland | 52 | 4.6★ (43) | Timonium, 17 mi away | — | — |
| 8 | Summit Insulation and Contracting | 51 | 4.0★ (21) | Dundalk, 18 mi away | Sat | — |
| 9 | Frontier Insulation Contractors | 51 | 5.0★ (13) | Baltimore, 21 mi away | Sat · Evenings | — |
| 10 | Park Heights Roofing | 51 | 4.9★ (529) | Pikesville, 23 mi away | — | Most reviews |
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: 4.2★ from 70 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bel Air North, 4 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bel Air, 3 mi away
Ranked #3 because of its Google rating and trade focus: 2.9★ from 14 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bel Air North, 2 mi away
Ranked #4 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Carney, 11 mi away
Ranked #5 because of its Google rating and review volume: 4.9★ from 129 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bel Air North, 6 mi away
Ranked #6 because of its Google rating and trade focus: 3.0★ from 46 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Timonium, 17 mi away
Ranked #7 because of its Google rating and trade focus: 4.6★ from 43 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dundalk, 18 mi away
Ranked #8 because of its Google rating and trade focus: 4.0★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baltimore, 21 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pikesville, 23 mi away
Ranked #10 because of its Google rating and review volume: 4.9★ from 529 Google reviews, the most in Bel Air South.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Towson, 17 mi away
Ranked #11 because of its Google rating and review volume: 4.9★ from 197 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Edgewood, 17 mi away
Ranked #12 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Lutherville, 17 mi away
Ranked #13 because of its Google rating and review volume: 4.9★ from 40 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Edgemere, 20 mi away
Ranked #14 because of its Google rating and trade focus: 4.4★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in White Marsh, 8 mi away
Ranked #15 because of its Google rating and trade focus: 3.3★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baltimore, 15 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Middle River, 14 mi away
Ranked #17 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dundalk, 20 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.
Based in Dundalk, 18 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Baltimore, 15 mi away
Ranked #20 because of its Google rating and trade focus: 3.8★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baltimore, 14 mi away
Ranked #21 because of its Google rating and trade focus: 4.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baltimore, 13 mi away
Ranked #22 because of its Google rating and review volume: 4.0★ from 103 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baltimore, 18 mi away
Ranked #23 because of its Google rating and trade focus: 4.3★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Carney, 11 mi away
Ranked #24 because of its Google rating and review volume: 4.7★ from 28 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Perry Hall, 10 mi away
Ranked #25 because of its Google rating and review volume: 3.8★ from 129 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
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.
| Business | Google rating | Distance |
|---|---|---|
| A&A Insulation, LLC | 16 mi | |
| Ackermann Enterprises, Inc | 24 mi | |
| Adorable Spray Foam Contractor Co | 3.0★ (2) | 22 mi |
| Advanced Pest Management | 25 mi | |
| Atlantic Service Corporation | 5.0★ (1) | 17 mi |
| Champion Insulations Co | 20 mi | |
| Clear View | 21 mi | |
| Enchanting Attic Clean Up Co | 22 mi | |
| G & H Insulation Inc | 5.0★ (1) | 25 mi |
| HMI Insulation LLC | 5.0★ (1) | 14 mi |
| Insupro Attic Insulation of Baltimore | 5.0★ (2) | 22 mi |
| Nicer Insulation Services Inc | 5.0★ (1) | 22 mi |
| Old Dominion Insulation, Inc. | 5.0★ (1) | 12 mi |
| Polytemp Corporation | 13 mi | |
| RG Pro Insulation | 15 mi | |
| Riverview Insulation Inc | 5.0★ (1) | 19 mi |
| Robust Spray Foam Co | 20 mi | |
| Trotters Exterior Insulation - Dryvit | 19 mi | |
| USG Walls LLC | 19 mi | |
| Winner Insulation | 22 mi |
National price ranges in USD, not adjusted for Bel Air South. 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 25 Bel Air South 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 Bel Air South 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 |