54 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Lutherville-Timonium: EcoShield Pest Solutions, CR Score 58/100; 4.8★ from 9,707 Google reviews; open Saturdays until 1 PM.
Best for emergencies (open 24/7): Wallace Roofing siding gutter sign window commercial residential flat metal asphalt shingle drywall insulation repairs, posts 24/7 hours; ranked #12 of 54.
Most-reviewed: AROCON Roofing & Construction, 1,809 Google reviews at 4.8★, the most of 54 ranked after EcoShield Pest Solutions; ranked #17.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
54 Lutherville-Timonium insulation contractors are ranked here by CR Score, from ten published factors. 2 are open 24/7, 23 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 4.8★ across 54 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | EcoShield Pest Solutions | 58 | 4.8★ (9,707) | Bowie, 24 mi away | Sat | Overall |
| 2 | Smart Energy Pros | 58 | 4.9★ (246) | Baltimore, 16 mi away | Sat · Sun | — |
| 3 | Koala Insulation | 56 | 5.0★ (288) | Baltimore, 11 mi away | — | — |
| 4 | Advanced Spray Foam and Coatings LLC | 55 | 5.0★ (172) | Hampstead, 20 mi away | Sat | — |
| 5 | DeVere Insulation Home Performance | 55 | 4.9★ (786) | Glen Burnie, 20 mi away | — | — |
| 6 | Winner Insulation | 54 | 5.0★ (110) | Baltimore, 11 mi away | — | — |
| 7 | Zerodraft Maryland | 54 | 4.6★ (43) | Timonium, 1 mi away | — | — |
| 8 | Atlas Home Energy Solutions | 53 | 4.9★ (365) | Hanover, 20 mi away | — | — |
| 9 | Frontier Insulation Contractors | 53 | 5.0★ (13) | Baltimore, 10 mi away | Sat · Evenings | — |
| 10 | PestNow | 53 | 4.7★ (67) | Owings Mills, 9 mi away | — | — |
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 review volume: 4.8★ from 9,707 Google reviews, the most in Lutherville-Timonium.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baltimore, 16 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 246 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baltimore, 11 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 288 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hampstead, 20 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 172 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Glen Burnie, 20 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 786 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baltimore, 11 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 110 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Timonium, 1 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 Hanover, 20 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 365 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baltimore, 10 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 Owings Mills, 9 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 67 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bowie, 24 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 459 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baltimore, 11 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fallston, 12 mi away
Ranked #13 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, 15 mi away
Ranked #14 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 Lutherville, 1 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 40 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Eldersburg, 18 mi away
Ranked #16 because of its Google rating and trade focus: 4.5★ from 65 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Westminster, 23 mi away
Ranked #17 because of its Google rating and review volume: 4.8★ from 1,809 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baltimore, 6 mi away
Ranked #18 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 Dundalk, 14 mi away
Ranked #19 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 Towson, 2 mi away
Ranked #20 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 Dundalk, 12 mi away
Ranked #21 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 Dundalk, 14 mi away
Ranked #22 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 #23 because of its Google rating and trade focus: 4.0★ from 37 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Carney, 8 mi away
Ranked #24 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 Pikesville, 8 mi away
Ranked #25 because of its Google rating and review volume: 4.9★ from 529 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 54 ranked insulation contractors here; the rest are on their profiles.
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 | 10 mi | |
| Adorable Spray Foam Contractor Co | 3.0★ (2) | 10 mi |
| Atlantic Service Corporation | 5.0★ (1) | 6 mi |
| Chaste Spray Foam Contractor Experts | 5.0★ (1) | 19 mi |
| Clear View | 9 mi | |
| Colt Insulation, Inc. | 4.0★ (2) | 15 mi |
| G & H Insulation Inc | 5.0★ (1) | 9 mi |
| HMI Insulation LLC | 5.0★ (1) | 8 mi |
| Home Guard Termite, Pest, and Home Services | 5.0★ (1) | 16 mi |
| Insupro Attic Insulation of Baltimore | 5.0★ (2) | 11 mi |
| Insupro Attic Insulation of Columbia | 5.0★ (1) | 22 mi |
| Irex Advanced Specialty | 5.0★ (2) | 18 mi |
| Mid Atlantic Spray Foam LLC | 5.0★ (1) | 22 mi |
| Nicer Insulation Services Inc | 5.0★ (1) | 11 mi |
| Old Dominion Insulation, Inc. | 5.0★ (1) | 9 mi |
| Overjoyed Spray Foam Llc | 5.0★ (1) | 22 mi |
| Polytemp Corporation | 10 mi | |
| Pure Home Insulation | 9 mi | |
| Riverview Insulation Inc | 5.0★ (1) | 13 mi |
| Winner Insulation | 6 mi |
National price ranges in USD, not adjusted for Lutherville-Timonium. 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 54 Lutherville-Timonium 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 Lutherville-Timonium 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 |