94 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Ellicott City: EcoShield Pest Solutions, CR Score 62/100; 4.8★ from 9,707 Google reviews; open Saturdays until 1 PM.
Best for emergencies (open 24/7): Senate Termite & Pest Control, posts 24/7 hours; ranked #3 of 94.
Most-reviewed: Michael & Son Services, 8,326 Google reviews at 4.8★, the most of 94 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
94 Ellicott City insulation contractors are ranked here by CR Score, from ten published factors. 10 are open 24/7, 42 open Saturdays and 20 open Sundays, based on posted hours. The median Google rating is 4.8★ across 94 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | EcoShield Pest Solutions | 62 | 4.8★ (9,707) | Bowie, 10 mi away | Sat | Overall |
| 2 | Smart Energy Pros | 60 | 4.9★ (246) | Baltimore, 8 mi away | Sat · Sun | — |
| 3 | Senate Termite & Pest Control | 59 | 4.6★ (2,638) | Gaithersburg, 22 mi away | 24/7 | Emergencies |
| 4 | Koala Insulation | 57 | 5.0★ (288) | Baltimore, 5 mi away | — | — |
| 5 | DeVere Insulation Home Performance | 57 | 4.9★ (786) | Glen Burnie, 10 mi away | — | — |
| 6 | Crawl Space Brothers | 57 | 4.9★ (30) | Laurel, 12 mi away | 24/7 | — |
| 7 | Atlas Home Energy Solutions | 57 | 4.9★ (365) | Hanover, 7 mi away | — | — |
| 8 | Environmental Pest Control | 56 | 4.9★ (600) | Crofton, 20 mi away | Sat | — |
| 9 | Winner Insulation | 56 | 5.0★ (110) | Baltimore, 5 mi away | — | — |
| 10 | Hometrust Remodeling | 55 | 4.8★ (92) | Ashton-Sandy Spring, 11 mi away | Sat · Evenings | — |
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 review volume: 4.8★ from 9,707 Google reviews, the most in Ellicott City.
Based in Baltimore, 8 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 in Gaithersburg, 22 mi away
Ranked #3 because of its Google rating and trade focus: 4.6★ from 2,638 Google reviews, listed on Google as “Insulation contractor”.
Based in Baltimore, 5 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 288 Google reviews, listed on Google as “Insulation contractor”.
Based in Glen Burnie, 10 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 in Laurel, 12 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Insulation contractor”.
Based in Hanover, 7 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 365 Google reviews, listed on Google as “Insulation contractor”.
Based in Crofton, 20 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 600 Google reviews, listed on Google as “Insulation contractor”.
Based in Baltimore, 5 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 110 Google reviews, listed on Google as “Insulation contractor”.
Based in Ashton-Sandy Spring, 11 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 92 Google reviews, listed on Google as “Insulation contractor”.
Based in Bowie, 15 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 in Adelphi, 18 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based in Beltsville, 15 mi away
Ranked #13 because of its Google rating and trade focus: 4.4★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based in Baltimore, 4 mi away
Ranked #14 because of its Google rating and availability: 4.9★ from 71 Google reviews, open 24/7.
Based in Baltimore, 5 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Roofing contractor”.
Based in Mount Airy, 21 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 231 Google reviews, listed on Google as “Insulation contractor”.
Based in Hyattsville, 23 mi away
Ranked #17 because of its Google rating and review volume: 4.8★ from 8,326 Google reviews.
Based in Baltimore, 10 mi away
Ranked #18 because of its Google rating and trade focus: 4.0★ from 37 Google reviews, listed on Google as “Insulation contractor”.
Based in Eldersburg, 12 mi away
Ranked #19 because of its Google rating and trade focus: 4.5★ from 65 Google reviews, listed on Google as “Insulation contractor”.
Based in Baltimore, 10 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based in Columbia, 6 mi away
Ranked #21 because of its Google rating and trade focus: 4.4★ from 117 Google reviews, listed on Google as “Insulation contractor”.
Based in Elkridge, 7 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Insulation contractor”.
Based in Baltimore, 11 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based in Owings Mills, 10 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 67 Google reviews, listed on Google as “Insulation contractor”.
Based in Arnold, 23 mi away
Ranked #25 because of its Google rating and trade focus: 4.6★ from 72 Google reviews, listed on Google as “Insulation contractor”.
#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 94 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 |
|---|---|---|
| Adorable Spray Foam Contractor Co | 3.0★ (2) | 10 mi |
| Alpha Design Services | 4.9★ (111) | In Ellicott City |
| Buric Heating and Air Conditioning | 4.9★ (330) | In Ellicott City |
| Colt Insulation, Inc. | 4.0★ (2) | 16 mi |
| Foremost Attic Clean Up Llc | 5.0★ (2) | 24 mi |
| Frost Fire Insulation Inc. | 5.0★ (2) | 21 mi |
| G & H Insulation Inc | 5.0★ (1) | 12 mi |
| Home Guard Termite, Pest, and Home Services | 5.0★ (1) | 1 mi |
| Insupro Attic Insulation of Baltimore | 5.0★ (2) | 10 mi |
| Insupro Attic Insulation of Columbia | 5.0★ (1) | 6 mi |
| Irex Advanced Specialty | 5.0★ (2) | 6 mi |
| Kelco Insulation Inc | 5.0★ (2) | 25 mi |
| MCL Construction, LLC | 5.0★ (2) | 22 mi |
| Nicer Insulation Services Inc | 5.0★ (1) | 10 mi |
| Optimum Spray Foam Insulation | 4.0★ (2) | 24 mi |
| Osman Painting and Remodel | 5.0★ (2) | 19 mi |
| Overjoyed Spray Foam Llc | 5.0★ (1) | 6 mi |
| Rabco Insulation Inc | 5.0★ (2) | 18 mi |
| Shipley's Grant | 4.3★ (253) | In Ellicott City |
| The Home Wise Pros | 5.0★ (25) | In Ellicott City |
National price ranges in USD, not adjusted for Ellicott City. 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 94 Ellicott City 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 Ellicott City 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 |