66/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 271 Google reviews, the most in Rockford.
- 4.9★ from 271 Google reviews
- Hours
- Mon–Fri 7:30 AM–5 PM · Sat–Sun 9 AM–5 PM
- Address
- 612 Harrison Ave, Rockford, IL 61104
Best Insulation Contractors in Rockford, IL (2026)
11 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Rockford: Comfort 1st Insulation, CR Score 66/100; 4.9★ from 271 Google reviews; open 7 days a week.
- 9
Best for emergencies (open 24/7): Legan Construction & Remodeling, posts 24/7 hours; ranked #9 of 11.
- 4
Most-reviewed: Greenlink Energy Solutions, 203 Google reviews at 4.9★, the most of 11 ranked after Comfort 1st Insulation; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
11 Rockford insulation contractors are ranked here by CR Score, from ten published factors. 1 is open 24/7, 5 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.7★ across 11 rated businesses.
Top 10 insulation contractors in Rockford at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Comfort 1st Insulation | 66 | 4.9★ (271) | Rockford | Sat · Sun | Overall |
| 2 | Metro Insulation | 57 | 4.7★ (34) | Rockford | — | — |
| 3 | Rockford Spray Foam Insulation | 56 | 5.0★ (24) | Loves Park, 4 mi away | — | — |
| 4 | Greenlink Energy Solutions | 56 | 4.9★ (203) | Rockford | — | Most reviews |
| 5 | Handyman Connection of Rockford | 53 | 4.6★ (54) | Rockford | Sat | — |
| 6 | Everest Roofing | 53 | 4.8★ (67) | Rockford | — | — |
| 7 | EcoHome Expert, Inc. KANGA ROOF | 52 | 4.3★ (58) | Belvidere, 10 mi away | Sat · Sun | — |
| 8 | Dwyer Foam Insulation | 50 | 5.0★ (3) | Beloit, 20 mi away | Sun · Evenings | — |
| 9 | Legan Construction & Remodeling | 48 | 4.7★ (12) | Janesville, 25 mi away | 24/7 | Emergencies |
| 10 | Mike Harris Mason Contractor | 48 | 4.5★ (8) | Rockford | — | — |
The 11 best insulation contractors in Rockford, 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 Rockford
57/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.7★ from 34 Google reviews, listed on Google as “Insulation contractor”.
- 4.7★ from 34 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 2119 N Central Ave, Rockford, IL 61101
Based in Loves Park, 4 mi away
56/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 24 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat–Sun closed
Based in Rockford
56/100CR ScoreRanked #4 because of its Google rating and review volume: 4.9★ from 203 Google reviews.
- 4.9★ from 203 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 3020 Forest View Rd, Rockford, IL 61109
Based in Rockford
53/100CR ScoreRanked #5 because of its Google rating and review volume: 4.6★ from 54 Google reviews.
- 4.6★ from 54 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 9 AM–12 PM · Sun closed
- Address
- 5758 Elaine Dr Suite 109, Rockford, IL 61108
Based in Rockford
53/100CR ScoreRanked #6 because of its Google rating and review volume: 4.8★ from 67 Google reviews.
- 4.8★ from 67 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 4701 Hydraulic Rd, Rockford, IL 61108
Based in Belvidere, 10 mi away
52/100CR ScoreRanked #7 because of its Google rating and review volume: 4.3★ from 58 Google reviews.
- 4.3★ from 58 Google reviews
- Hours
- Mon–Fri 8 AM–4:30 PM · Sat–Sun 9 AM–5 PM
- Address
- 2231 Hawkey Dr, Belvidere, IL 61008
Based in Beloit, 20 mi away
50/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 3 Google reviews
- Hours
- Mon–Fri 7 AM–8 PM · Sat closed · Sun 7 AM–8 PM
- Address
- 2600 W Creedy Rd, Beloit, WI 53511
Based in Janesville, 25 mi away
48/100CR ScoreRanked #9 because of its Google rating and availability: 4.7★ from 12 Google reviews, open 24/7.
- 4.7★ from 12 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3446 Stellar Dr, Janesville, WI 53548
Based in Rockford
48/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Masonry contractor”.
- 4.5★ from 8 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 631 Cedar St, Rockford, IL 61101
Based in Machesney Park, 8 mi away
47/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Roofing contractor”.
- 4.3★ from 6 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
- Address
- 994 Wissmach Ln, Machesney Park, IL 61115
Also serving Rockford
18 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 |
|---|---|---|
| Benson Stone Company | 4.7★ (401) | In Rockford |
| Bob's Refrigeration Heating and Air conditioning | 4.8★ (17) | In Rockford |
| Genoa Insulation | 24 mi | |
| Greenlink Energy Solutions | 14 mi | |
| Home Guard Insulation | 4.0★ (2) | In Rockford |
| Hytek General Contracting | 3.0★ (4) | In Rockford |
| Insulation Service | 23 mi | |
| Rockford Heating & Air Conditioning | 4.6★ (126) | In Rockford |
| Rockford Insulation Pros | In Rockford | |
| Saunders Insulation Specialists | 9 mi | |
| Schoonover Insulation Inc | 3.0★ (1) | 16 mi |
| Southwest Insulation, Inc. | 16 mi | |
| Sprinkmann Sons Corporation | In Rockford | |
| Superior Attic Fans | 5.0★ (2) | 16 mi |
| Swanson Spray Systems | 5.0★ (2) | 21 mi |
| Ultimate Roof Coaters | 2 mi | |
| Warner Roofing & Restoration | 4.8★ (179) | In Rockford |
| Wildlife Animal & Bee Removal Guys | 3.0★ (2) | 23 mi |
How much do insulation contractors cost in Rockford?
National price ranges in USD, not adjusted for Rockford. 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 Rockford insulation contractors
We scored 11 Rockford 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 Rockford 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 Rockford: frequently asked questions
Who is the best insulation contractor in Rockford?
By CR Score, the highest-ranked insulation contractor in Rockford, IL is Comfort 1st Insulation with a CR Score of 66/100. It has 4.9★ from 271 Google reviews. It is open 7 days a week. Metro Insulation (#2) and Rockford Spray Foam Insulation (#3) follow. We ranked 11 insulation contractors on ten factors, last updated October 22, 2026.
How many insulation contractors are there in Rockford?
ContractorsRanked ranks 11 insulation contractors serving Rockford, IL. 6 of them are based in Rockford; the rest serve it from nearby towns. Another 18 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which insulation contractors in Rockford are open 24/7?
1 ranked insulation contractor in Rockford posts 24/7 hours. The highest-ranked is Legan Construction & Remodeling (#9). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Rockford work on weekends?
5 of 11 ranked insulation contractors post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are Comfort 1st Insulation (#1), Handyman Connection of Rockford (#5) and EcoHome Expert, Inc. KANGA ROOF (#7). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Rockford?
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 Rockford. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Rockford insulation contractors have?
The median Google rating among 11 rated insulation contractors in Rockford is 4.7★, with a median of 34 reviews. Comfort 1st Insulation has the most, 271 reviews, and ranks #1. 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 Rockford count in this ranking?
Yes, if they are within 25 mi of the Rockford 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 Rockford
- October 2026: CR Scores recalculated for 11 insulation contractors serving Rockford.
More insulation contractors and Rockford pages
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