56 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Johnstown: The Insulation Guys, CR Score 81/100; 4.8★ from 23 Google reviews; open 24/7.
Best for emergencies (open 24/7): Insulation Pros of Colorado-Loveland, posts 24/7 hours; ranked #2 of 56.
Most-reviewed: EcoShield Pest Solutions, 4,537 Google reviews at 4.7★, the most of 56 ranked; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
56 Johnstown insulation contractors are ranked here by CR Score, from 8 published factors. 7 are open 24/7, 27 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 4.8★ across 56 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | The Insulation Guys | 81 | 4.8★ (23) | Longmont, 15 mi away | 24/7 | Overall |
| 2 | Insulation Pros of Colorado-Loveland | 81 | 3.9★ (11) | Loveland, 11 mi away | 24/7 | Emergencies |
| 3 | All Seasons Roofing and Restoration | 81 | 4.8★ (128) | Loveland, 10 mi away | 24/7 | — |
| 4 | USA Insulation of Boulder – Fort Collins | 80 | 4.8★ (31) | Berthoud, 2 mi away | Sat | — |
| 5 | Morales insulators L.L.C | 80 | 5.0★ (9) | Evans, 9 mi away | Sat · Sun | — |
| 6 | Bone Dry Roofing | 79 | 4.8★ (251) | Fort Collins, 18 mi away | 24/7 | — |
| 7 | Koala Insulation of NoCo | 79 | 5.0★ (203) | Loveland, 9 mi away | — | — |
| 8 | Advanced | 78 | 4.9★ (39) | Loveland, 11 mi away | Sat · Evenings | — |
| 9 | Nordic Construction Company | 78 | 5.0★ (34) | Fort Collins, 15 mi away | 24/7 | — |
| 10 | Unlimited Solutions | 78 | 5.0★ (30) | Longmont, 14 mi away | Sat · Evenings | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 4.8★ from 23 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Loveland, 11 mi away
Ranked #2 because of its Google rating and availability: 3.9★ from 11 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Loveland, 10 mi away
Ranked #3 because of its Google rating and availability: 4.8★ from 128 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Berthoud, 2 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 31 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Evans, 9 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fort Collins, 18 mi away
Ranked #6 because of its Google rating and availability: 4.8★ from 251 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Loveland, 9 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 203 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Loveland, 11 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 39 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fort Collins, 15 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 34 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Longmont, 14 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Longmont, 14 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 29 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Loveland, 10 mi away
Ranked #12 because of its Google rating and trade focus: 4.1★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Berthoud, 4 mi away
Ranked #13 because of its Google rating and availability: 4.9★ from 35 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Longmont, 18 mi away
Ranked #14 because of its Google rating and trade focus: 4.3★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fort Collins, 13 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Longmont, 15 mi away
Ranked #16 because of its Google rating and review volume: 4.7★ from 4,537 Google reviews, the most Google reviews on this list (4,537).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fort Collins, 19 mi away
Ranked #17 because of its Google rating and trade focus: 4.4★ from 26 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Milliken, 12 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Johnstown
Ranked #19 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fort Collins, 18 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fort Collins, 20 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fort Collins, 11 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fort Collins, 19 mi away
Ranked #23 because of its Google rating and review volume: 4.9★ from 743 Google reviews, 743 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Longmont, 13 mi away
Ranked #24 because of its Google rating and review volume: 4.9★ from 124 Google reviews, 124 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Longmont, 17 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 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 56 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 |
|---|---|---|
| All Building Aspects | 13 mi | |
| All Seasons Construction & Landscaping | 1.0★ (1) | 13 mi |
| All Seasons Foam | 5.0★ (2) | 6 mi |
| Alpha Omega Construction | 5.0★ (1) | 24 mi |
| AR Insulation and Spray Foam LLC | 7 mi | |
| Ascend Construction | 5.0★ (1) | 19 mi |
| Bestway Insulation | 5.0★ (2) | 16 mi |
| Blue Sky Home and Lawn | 13 mi | |
| Classic Industrial Services Inc | 3.5★ (2) | 11 mi |
| Distinctive Spray Foam | 5.0★ (1) | 9 mi |
| Eagle Company US | Colorado' Finest Mechanical Insulation | 11 mi | |
| Eco Wall Systems LLC | 5.0★ (2) | In Johnstown |
| EcoTru Spray Foam Insulation | 16 mi | |
| Energes Foam Insulation | 5.0★ (2) | 14 mi |
| Foam Connection | 5.0★ (1) | 9 mi |
| High Mountain Sprayfoam, LLC. | 5.0★ (2) | 17 mi |
| Hybrid Handyman LLC | 5.0★ (1) | 18 mi |
| Ozzie's Customs | 12 mi | |
| Probywall LLC Drywall and Insulation | 3.0★ (2) | 6 mi |
| Seal Tech Insulators LLC | 1.0★ (1) | In Johnstown |
National price ranges in USD, not adjusted for Johnstown. 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 56 Johnstown insulation contractors on 8 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. Unknown factors are left out of the score, 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 Johnstown data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |