131 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Littleton: EcoShield Pest Solutions, CR Score 59/100; 4.4★ from 5,485 Google reviews; open Saturdays until 1 PM.
Best for emergencies (open 24/7): Excel Roofing, posts 24/7 hours; ranked #2 of 131.
Most-reviewed: Power Home Remodeling, 3,651 Google reviews at 4.4★, the most of 131 ranked after EcoShield Pest Solutions; ranked #39.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
131 Littleton insulation contractors are ranked here by CR Score, from ten published factors. 10 are open 24/7, 69 open Saturdays and 38 open Sundays, based on posted hours. The median Google rating is 4.9★ across 131 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | EcoShield Pest Solutions | 59 | 4.4★ (5,485) | Centennial, 9 mi away | Sat | Overall |
| 2 | Excel Roofing | 58 | 4.9★ (555) | Englewood, 2 mi away | 24/7 | Emergencies |
| 3 | LEV Air Duct Cleaning INC | 58 | 4.6★ (206) | Denver, 8 mi away | Sat · Sun · Evenings | — |
| 4 | Cenco Roofing | 57 | 4.9★ (839) | Lakewood, 10 mi away | 24/7 | — |
| 5 | MTZ LLC | 57 | 5.0★ (38) | Aurora, 8 mi away | Sat · Sun · Evenings | — |
| 6 | Koala Insulation of Southeast Denver | 56 | 4.8★ (146) | Englewood, 2 mi away | — | — |
| 7 | Mile High Denver Spray Foam Inc. | 56 | 5.0★ (27) | Denver, 7 mi away | Sat · Sun · Evenings | — |
| 8 | NetZero Insulation | 56 | 4.8★ (67) | Englewood, 4 mi away | Sat | — |
| 9 | Denver Spray Foam Insulation | 56 | 5.0★ (60) | Aurora, 14 mi away | Sat · Sun · Evenings | — |
| 10 | Mucilli Brothers | 56 | 4.8★ (76) | Denver, 7 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: 4.4★ from 5,485 Google reviews, the most in Littleton.
Based in Englewood, 2 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 555 Google reviews.
Based in Denver, 8 mi away
Ranked #3 because of its Google rating and trade focus: 4.6★ from 206 Google reviews, listed on Google as “Insulation contractor”.
Based in Lakewood, 10 mi away
Ranked #4 because of its Google rating and review volume: 4.9★ from 839 Google reviews.
Based in Aurora, 8 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Insulation contractor”.
Based in Englewood, 2 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 146 Google reviews, listed on Google as “Insulation contractor”.
Based in Denver, 7 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Insulation contractor”.
Based in Englewood, 4 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 67 Google reviews, listed on Google as “Insulation contractor”.
Based in Aurora, 14 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 60 Google reviews, listed on Google as “Insulation contractor”.
Based in Denver, 7 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 76 Google reviews, listed on Google as “Insulation contractor”.
Based in Aurora, 7 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based in Denver, 10 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based in Golden, 13 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 51 Google reviews, listed on Google as “Insulation contractor”.
Based in Aurora, 9 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Insulation contractor”.
Based in Centennial, 6 mi away
Ranked #15 because of its Google rating and trade focus: 4.6★ from 95 Google reviews, listed on Google as “Insulation contractor”.
Based in Thornton, 18 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 37 Google reviews, listed on Google as “Insulation contractor”.
Based in Wheat Ridge, 12 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 76 Google reviews, listed on Google as “Insulation contractor”.
Based in Aurora, 8 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 110 Google reviews, listed on Google as “Insulation contractor”.
Based in Centennial, 3 mi away
Ranked #19 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based in Centennial, 10 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 67 Google reviews, listed on Google as “Insulation contractor”.
Based in Aurora, 13 mi away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 45 Google reviews, listed on Google as “Insulation contractor”.
Based in Littleton
Ranked #22 because of its Google rating and availability: 5.0★ from 51 Google reviews, open 24/7.
Based in Aurora, 6 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 64 Google reviews, listed on Google as “Insulation contractor”.
Based in Lakewood, 10 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based in Cherry Creek, 9 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 32 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 131 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 Handy Man LLC | 5.0★ (105) | In Littleton |
| AA Insulation LLC | 5.0★ (2) | 18 mi |
| Allstate Builders / Roofing, LLC. | In Littleton | |
| Colorado Mechanical Insulation | 5.0★ (2) | 4 mi |
| Colorado Preferred Roofing | 4.9★ (134) | In Littleton |
| Denver Insulation | 4.0★ (1) | 7 mi |
| Domestic Insulation Co | 3.0★ (2) | 4 mi |
| Elite Insulation Contractors Westminster | 5.0★ (2) | 17 mi |
| Fortunato Insulation | 3.0★ (2) | 16 mi |
| Hutt Inspections | 5.0★ (8) | In Littleton |
| Insulation Pros | 5.0★ (2) | 6 mi |
| MTN Inc | 3.2★ (31) | In Littleton |
| PCS Residential | 4.6★ (141) | In Littleton |
| ReNew Home Innovations | 4.5★ (264) | In Littleton |
| Rocky Mountain Abatement | 4.3★ (11) | In Littleton |
| Roof Repair Corp | 5.0★ (8) | In Littleton |
| Spray Foam Pros | 5.0★ (1) | 6 mi |
| The Colorado Exterior Specialist | 4.6★ (9) | In Littleton |
| Value Engineered Products Inc. - A division of ASC Engineered Solutions | 5.0★ (2) | 6 mi |
| Western Builders | 3.0★ (2) | 11 mi |
National price ranges in USD, not adjusted for Littleton. 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 131 Littleton 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 Littleton 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 |