60/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.6★ from 206 Google reviews, listed on Google as “Insulation contractor”.
- 4.6★ from 206 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 909 Bannock St #1634, Denver, CO 80204
Best Insulation Contractors in Denver, CO (2026)
135 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Denver: LEV Air Duct Cleaning INC, CR Score 60/100; 4.6★ from 206 Google reviews; open 7 days a week.
- 6
Best for emergencies (open 24/7): Cenco Roofing, posts 24/7 hours; ranked #6 of 135.
- 2
Most-reviewed: EcoShield Pest Solutions, 5,485 Google reviews at 4.4★, the most of 135 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
135 Denver insulation contractors are ranked here by CR Score, from ten published factors. 9 are open 24/7, 68 open Saturdays and 36 open Sundays, based on posted hours. The median Google rating is 4.9★ across 135 rated businesses.
Top 10 insulation contractors in Denver at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | LEV Air Duct Cleaning INC | 60 | 4.6★ (206) | Denver | Sat · Sun · Evenings | Overall |
| 2 | EcoShield Pest Solutions | 58 | 4.4★ (5,485) | Centennial, 13 mi away | Sat | Most reviews |
| 3 | Denver Spray Foam Insulation | 58 | 5.0★ (60) | Aurora, 6 mi away | Sat · Sun · Evenings | — |
| 4 | OnPoint Denver Spray Foam Insulation | 58 | 5.0★ (28) | Denver | Sat · Sun · Evenings | — |
| 5 | Mile High Denver Spray Foam Inc. | 58 | 5.0★ (27) | Denver | Sat · Sun · Evenings | — |
| 6 | Cenco Roofing | 58 | 4.9★ (839) | Lakewood, 5 mi away | 24/7 | Emergencies |
| 7 | Mucilli Brothers | 58 | 4.8★ (76) | Denver | Sat · Evenings | — |
| 8 | Insulation Pros of Colorado | 57 | 4.8★ (37) | Thornton, 9 mi away | 24/7 | — |
| 9 | MTZ LLC | 57 | 5.0★ (38) | Aurora, 6 mi away | Sat · Sun · Evenings | — |
| 10 | Innovative Solutions Insulation and Drywall | 57 | 4.9★ (40) | Denver | Sat | — |
The 135 best insulation contractors in Denver, 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 Centennial, 13 mi away
58/100CR ScoreRanked #2 because of its Google rating and review volume: 4.4★ from 5,485 Google reviews, the most in Denver.
- 4.4★ from 5,485 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 9 AM–1 PM · Sun closed
- Address
- 12508 E Briarwood Ave Suite 1A, Centennial, CO 80112
Based in Aurora, 6 mi away
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 60 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 60 Google reviews
- Hours
- Mon–Sun 6 AM–10 PM
Based in Denver
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 28 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun 8 AM–5 PM
- Address
- 2121 N Marion St, Denver, CO 80205
Based in Denver
58/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 27 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun 9 AM–5 PM
- Address
- 1780 S Bellaire St, Denver, CO 80222
Based in Lakewood, 5 mi away
58/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 839 Google reviews.
- 4.9★ from 839 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7400 W 20th Ave, Lakewood, CO 80214
Based in Denver
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 76 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 76 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
- Address
- 230 S Santa Fe Dr, Denver, CO 80223
Based in Thornton, 9 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 37 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 37 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 871 Thornton Pkwy #116, Thornton, CO 80229
#9 MTZ LLC
Based in Aurora, 6 mi away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 38 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat–Sun 8 AM–5 PM
Based in Denver
57/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 40 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 40 Google reviews
- Hours
- Mon–Sat 7 AM–4 PM · Sun closed
- Address
- 1550 Wewatta St Unit 2128, Denver, CO 80202
#11 Main Options LLC
Based in Wheat Ridge, 5 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 76 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 76 Google reviews
- Hours
- Mon–Thu 8 AM–5:30 PM · Fri 8 AM–5 PM · Sat 9:45 AM–4:30 PM · Sun closed
- Address
- 4350 Pierce St, Wheat Ridge, CO 80033
#12 Excel Roofing
Based in Englewood, 8 mi away
57/100CR ScoreRanked #12 because of its Google rating and review volume: 4.9★ from 555 Google reviews.
- 4.9★ from 555 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4510 S Federal Blvd, Englewood, CO 80110
Based in Denver
56/100CR ScoreRanked #13 because of its Google rating and review volume: 4.7★ from 849 Google reviews.
- 4.7★ from 849 Google reviews
- Hours
- Mon–Fri 8 AM–7:30 PM · Sat 9 AM–5 PM · Sun 9 AM–4 PM
- Address
- 1748 E 66th Ave, Denver, CO 80229
Based in Englewood, 5 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 67 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 67 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 1940 W Adriatic Pl, Englewood, CO 80110
Based in Golden, 11 mi away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 51 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 51 Google reviews
- Hours
- Mon–Thu 8 AM–6 PM · Fri 8 AM–5 PM · Sat 9 AM–5 PM · Sun 10:30 AM–4:30 PM
- Address
- 1100 Johnson Rd #17171, Golden, CO 80402
Based in Aurora, 6 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 28 Google reviews
- Hours
- Mon–Sun 9 AM–5 PM
Based in Aurora, 4 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 110 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 110 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat–Sun closed
Based in Commerce City, 6 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 160 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 160 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 6185 E 56th Ave, Commerce City, CO 80022
Based in Aurora, 7 mi away
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 23 Google reviews
- Hours
- Mon 7 AM–7:07 PM · Tue–Fri 7 AM–7 PM · Sat 8 AM–6 PM · Sun 9 AM–4 PM
Based in Denver
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.6★ from 129 Google reviews, listed on Google as “Insulation contractor”.
- 4.6★ from 129 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 677 Alcott St, Denver, CO 80204
Based in Westminster, 13 mi away
56/100CR ScoreRanked #21 because of its Google rating and review volume: 4.7★ from 1,623 Google reviews.
- 4.7★ from 1,623 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1020 W 124th Ave #700, Westminster, CO 80234
Based in Aurora, 10 mi away
56/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.7★ from 45 Google reviews, listed on Google as “Insulation contractor”.
- 4.7★ from 45 Google reviews
- Hours
- Mon–Sat 7 AM–8 PM · Sun 7 AM–4 PM
- Address
- 1170 S Kittredge St, Aurora, CO 80017
Based in Cherry Creek, 5 mi away
56/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 32 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 7 AM–4 PM · Sun closed
Based in Denver
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Sun 6 AM–10 PM
- Address
- 1318 S Decatur St, Denver, CO 80219
#25 iFOAM Insulation
Based in Denver
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.7★ from 21 Google reviews, listed on Google as “Insulation contractor”.
- 4.7★ from 21 Google reviews
- Hours
- Mon–Sat 9 AM–6 PM · Sun closed
- Address
- 7808 Cherry Creek S Dr #208, Denver, CO 80231
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 135 ranked insulation contractors here; the rest are on their profiles.
Also serving Denver
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 |
|---|---|---|
| Action Air Duct Cleaning Denver | 4.9★ (254) | In Denver |
| Alex insulation inc | 5.0★ (1) | In Denver |
| Attic Fan | 4.6★ (31) | In Denver |
| BELFOR Property Restoration | 3.6★ (43) | In Denver |
| Bumble Roofing Denver South | 5.0★ (47) | In Denver |
| Colorado Hazard Control, LLC | 4.0★ (14) | In Denver |
| Controlling Systems Heating, AC, and Electrical Repair | 4.9★ (565) | In Denver |
| Cransten Handyman and Remodeling | 5.0★ (89) | In Denver |
| Denver Insulation | 4.0★ (1) | In Denver |
| High 5 Plumbing, Heating, Cooling & Electric | 4.7★ (2,814) | In Denver |
| HomeStrong | 5.0★ (313) | In Denver |
| Industrial Access, Inc. | 3.0★ (2) | In Denver |
| Just Heat Pumps | In Denver | |
| Lifetime Home Remodeling Denver (Windows, Siding, Bath) | 4.6★ (1,327) | In Denver |
| Lightning Mobile Electric | In Denver | |
| Lime Roofing And Solar | 4.3★ (20) | In Denver |
| River's Construction Inc | 5.0★ (2) | In Denver |
| USA Insulation of Denver | In Denver | |
| Value Engineered Products Inc. - A division of ASC Engineered Solutions | 5.0★ (2) | In Denver |
| Xpress Insulation LLC | 1.0★ (1) | In Denver |
How much do insulation contractors cost in Denver?
National price ranges in USD, not adjusted for Denver. 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 Denver insulation contractors
We scored 135 Denver 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 Denver 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 Denver: frequently asked questions
Who is the best insulation contractor in Denver?
By CR Score, the highest-ranked insulation contractor in Denver, CO is LEV Air Duct Cleaning INC with a CR Score of 60/100. It has 4.6★ from 206 Google reviews. It is open 7 days a week. EcoShield Pest Solutions (#2) and Denver Spray Foam Insulation (#3) follow. We ranked 135 insulation contractors on ten factors, last updated October 22, 2026.
How many insulation contractors are there in Denver?
ContractorsRanked ranks 135 insulation contractors serving Denver, CO. 14 of them are based in Denver; 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 Denver are open 24/7?
9 ranked insulation contractors in Denver post 24/7 hours. The highest-ranked are Cenco Roofing (#6), Insulation Pros of Colorado (#8) and Excel Roofing (#12). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Denver work on weekends?
68 of 135 ranked insulation contractors post Saturday hours and 36 post Sunday hours. The highest-ranked open Saturdays are LEV Air Duct Cleaning INC (#1), EcoShield Pest Solutions (#2) and Denver Spray Foam Insulation (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Denver?
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 Denver. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Denver insulation contractors have?
The median Google rating among 135 rated insulation contractors in Denver is 4.9★, with a median of 23 reviews. EcoShield Pest Solutions has the most, 5,485 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 Denver count in this ranking?
Yes, if they are within 25 mi of the Denver 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 Denver
- October 2026: CR Scores recalculated for 135 insulation contractors serving Denver.
More insulation contractors and Denver pages
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