61/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 246 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 246 Google reviews
- Hours
- Mon–Sun 7 AM–5 PM
Best Insulation Contractors in Baltimore, MD (2026)
77 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Baltimore: Smart Energy Pros, CR Score 61/100; 4.9★ from 246 Google reviews; open 7 days a week.
- 13
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 #13 of 77.
- 2
Most-reviewed: EcoShield Pest Solutions, 9,707 Google reviews at 4.8★, the most of 77 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
77 Baltimore insulation contractors are ranked here by CR Score, from ten published factors. 6 are open 24/7, 38 open Saturdays and 15 open Sundays, based on posted hours. The median Google rating is 4.8★ across 77 rated businesses.
Top 10 insulation contractors in Baltimore at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Smart Energy Pros | 61 | 4.9★ (246) | Baltimore | Sat · Sun | Overall |
| 2 | EcoShield Pest Solutions | 60 | 4.8★ (9,707) | Bowie, 15 mi away | Sat | Most reviews |
| 3 | Koala Insulation | 59 | 5.0★ (288) | Baltimore | — | — |
| 4 | Q Insulation Contractors Inc | 57 | 5.0★ (33) | Baltimore | Sat | — |
| 5 | DeVere Insulation Home Performance | 57 | 4.9★ (786) | Glen Burnie, 10 mi away | — | — |
| 6 | Winner Insulation | 57 | 5.0★ (110) | Baltimore | — | — |
| 7 | Pilot Home Services | 56 | 4.0★ (37) | Baltimore | Sat · Sun · Evenings | — |
| 8 | Frontier Insulation Contractors | 56 | 5.0★ (13) | Baltimore | Sat · Evenings | — |
| 9 | Leonard Home Performance | 56 | 5.0★ (13) | Baltimore | Sat | — |
| 10 | Environmental Pest Control | 56 | 4.9★ (600) | Crofton, 21 mi away | Sat | — |
The 77 best insulation contractors in Baltimore, ranked
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.
Based in Bowie, 15 mi away
60/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 9,707 Google reviews, the most in Baltimore.
- 4.8★ from 9,707 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 9 AM–1 PM · Sun closed
- Address
- 12011 Guilford Rd Unit 102, Annapolis Junction, MD 20701
Based in Baltimore
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 288 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 288 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 2622 Lord Baltimore Dr Suite F, Baltimore, MD 21244
Based in Baltimore
57/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 33 Google reviews
- Hours
- Mon–Sat 7 AM–6 PM · Sun closed
Based in Glen Burnie, 10 mi away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 786 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 786 Google reviews
- Hours
- Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
- Address
- 508 McCormick Dr Suite H, Glen Burnie, MD 21061
Based in Baltimore
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 110 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 110 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 2624 Lord Baltimore Dr Suite A, Windsor Mill, MD 21244
Based in Baltimore
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.0★ from 37 Google reviews, listed on Google as “Insulation contractor”.
- 4.0★ from 37 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
Based in Baltimore
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 13 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
- Address
- 6 N Broadway, Baltimore, MD 21231
Based in Baltimore
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 13 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
Based in Crofton, 21 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 600 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 600 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 8 AM–2 PM · Sun closed
- Address
- 2124 Priest Bridge Dr Unit #5, Crofton, MD 21114
Based in Hanover, 11 mi away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 365 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 365 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 1745 Dorsey Rd l, Hanover, MD 21076
Based in Bowie, 13 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 459 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 459 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 413 Headquarters Dr Suite 4F, Millersville, MD 21108
Based in Baltimore
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Roofing contractor”.
- 4.8★ from 19 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3036 Rolling Rd., Windsor Mill, MD 21244
Based in Laurel, 19 mi away
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 30 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8101 Sandy Spring Rd Ste 250, Laurel, MD 20707
Based in Baltimore
55/100CR ScoreRanked #15 because of its Google rating and availability: 4.9★ from 71 Google reviews, open 24/7.
- 4.9★ from 71 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Baltimore
54/100CR ScoreRanked #16 because of its Google rating and review volume: 4.9★ from 104 Google reviews.
- 4.9★ from 104 Google reviews
- Hours
- Mon–Sun 7 AM–5 PM
Based in Arnold, 19 mi away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ from 72 Google reviews, listed on Google as “Insulation contractor”.
- 4.6★ from 72 Google reviews
- Hours
- Mon–Sun 7 AM–5 PM
- Address
- 1290 Bay Dale Dr #294, Arnold, MD 21012
Based in Annapolis, 22 mi away
54/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 200 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 200 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 1125 West St #421, Annapolis, MD 21401
Based in Dundalk, 5 mi away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.
- 3.7★ from 3 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
- Address
- 64 Shipping Pl, Dundalk, MD 21222
Based in Baltimore
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 3.6★ from 38 Google reviews, listed on Google as “Insulation contractor”.
- 3.6★ from 38 Google reviews
- Hours
- Mon–Fri 6 AM–5 PM · Sat 7 AM–12 PM · Sun closed
Based in Baltimore
53/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.1★ from 78 Google reviews, listed on Google as “Insulation contractor”.
- 4.1★ from 78 Google reviews
- Hours
- Mon–Fri 7 AM–4:30 PM · Sat–Sun closed
- Address
- 7501 Resource Ct, Baltimore, MD 21226
Based in Ashton-Sandy Spring, 19 mi away
53/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.8★ from 92 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 92 Google reviews
- Hours
- Mon–Sat 8 AM–10 PM · Sun closed
Based in Baltimore
53/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Roofing contractor”.
- 5.0★ from 9 Google reviews
- Hours
- Mon–Fri 7 AM–8 PM · Sat–Sun 9 AM–5 PM
- Address
- 7419 Park Dr, Baltimore, MD 21234
Based in Adelphi, 24 mi away
53/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 13 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#25 Foam InSEALators
Based in Baltimore
53/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 7 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 7501 Resource Ct, Baltimore, MD 21226
Insulation contractors ranked #26 to #50
#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 77 ranked insulation contractors here; the rest are on their profiles.
Also serving Baltimore
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.
How much do insulation contractors cost in Baltimore?
National price ranges in USD, not adjusted for Baltimore. 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 |
How we ranked Baltimore insulation contractors
We scored 77 Baltimore 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 Baltimore 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 |
Insulation contractors in Baltimore: frequently asked questions
Who is the best insulation contractor in Baltimore?
By CR Score, the highest-ranked insulation contractor in Baltimore, MD is Smart Energy Pros with a CR Score of 61/100. It has 4.9★ from 246 Google reviews. It is open 7 days a week. EcoShield Pest Solutions (#2) and Koala Insulation (#3) follow. We ranked 77 insulation contractors on ten factors, last updated October 22, 2026.
How many insulation contractors are there in Baltimore?
ContractorsRanked ranks 77 insulation contractors serving Baltimore, MD. 17 of them are based in Baltimore; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which insulation contractors in Baltimore are open 24/7?
6 ranked insulation contractors in Baltimore post 24/7 hours. The highest-ranked are Wallace Roofing siding gutter sign window commercial residential flat metal asphalt shingle drywall insulation repairs (#13), Crawl Space Brothers (#14) and Baltimore Roofing & Remodeling (#15). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Baltimore work on weekends?
38 of 77 ranked insulation contractors post Saturday hours and 15 post Sunday hours. The highest-ranked open Saturdays are Smart Energy Pros (#1), EcoShield Pest Solutions (#2) and Q Insulation Contractors Inc (#4). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Baltimore?
Attic insulation typically costs $1,700 to $2,500, with $2,100 typical (Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range). This is a national range, not adjusted for Baltimore. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Baltimore insulation contractors have?
The median Google rating among 77 rated insulation contractors in Baltimore is 4.8★, with a median of 40 reviews. EcoShield Pest Solutions has the most, 9,707 reviews, and ranks #2. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank insulation contractors?
Each insulation contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do insulation contractors outside Baltimore count in this ranking?
Yes, if they are within 25 mi of the Baltimore city center, our service radius for insulation contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Baltimore
- October 2026: CR Scores recalculated for 77 insulation contractors serving Baltimore.
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