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ContractorsRanked

Best Insulation Contractors in Belleville, IL (2026)

22 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Belleville: Bug Out, CR Score 81/100; 4.9★ from 87 Google reviews; open 24/7.

  2. 7

    Best for emergencies (open 24/7): Guaranteed Comfort and Energy, posts 24/7 hours; ranked #7 of 22.

  3. 5

    Most-reviewed: Energy Stars Heating & Cooling Co, 1,175 Google reviews at 4.9★, the most of 22 ranked; ranked #5.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

22 Belleville insulation contractors are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 7 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.8★ across 22 rated businesses.

Top 10 insulation contractors in Belleville at a glance

Top 10 insulation contractors in Belleville at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Bug Out814.9★ (87)St. Louis, 15 mi away24/7Overall
2Goley, Inc.794.9★ (240)Columbia, 13 mi away——
3Brady Pest Solutions794.8★ (36)Collinsville, 11 mi awaySat—
4Koala Insulation of St. Louis794.9★ (430)St. Louis, 19 mi away——
5Energy Stars Heating & Cooling Co784.9★ (1,175)East Saint Louis, 15 mi awaySatMost reviews
6Foundation Recovery Systems Downtown St. Louis774.9★ (72)St. Louis, 14 mi awaySat · Sun · Evenings—
7Guaranteed Comfort and Energy774.6★ (38)Maryville, 15 mi away24/7Emergencies
8Improovy Painters764.7★ (34)St. Louis, 22 mi away24/7—
9Rebel, Inc.764.1★ (28)Belleville——
10Thornburgh Insulation Inc755.0★ (5)St. Louis, 18 mi awaySun · Evenings—

The 22 best insulation contractors in Belleville, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Belleville

    #1 Bug Out

    Based in St. Louis, 15 mi away

    81/100CR Score

    Ranked #1 because of its Google rating and availability: 4.9★ from 87 Google reviews, open 24/7.

    • 4.9★ from 87 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2704 Locust St Ste 201, St. Louis, MO 63103
    View profile for Bug Out(314) 499-4521

  2. #2 Goley, Inc.

    Based in Columbia, 13 mi away

    79/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.9★ from 240 Google reviews, listed on Google as “Insulation contractor”.

    • 4.9★ from 240 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1707 Bluffview Dr, Dupo, IL 62239
    View profile for Goley, Inc.(618) 286-3355

  3. #3 Brady Pest Solutions

    Based in Collinsville, 11 mi away

    79/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.8★ from 36 Google reviews, listed on Google as “Insulation contractor”.

    • 4.8★ from 36 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
    Address
    220 Lee Ave, Collinsville, IL 62234
    View profile for Brady Pest Solutions(618) 343-1790

  9. #9 Rebel, Inc.

    Based in Belleville

    76/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.1★ from 28 Google reviews, listed on Google as “Insulation contractor”.

    • 4.1★ from 28 Google reviews
    Hours
    Mon–Fri 7:30 AM–4:30 PM · Sat–Sun closed
    Address
    1 Rebel Pkwy, Belleville, IL 62226
    View profile for Rebel, Inc.(618) 235-0582

  10. #10 Thornburgh Insulation Inc

    Based in St. Louis, 18 mi away

    75/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.

    • 5.0★ from 5 Google reviews
    Hours
    Mon–Fri 7 AM–8 PM · Sat closed · Sun 7 AM–8 PM
    Address
    6280 Knox Industrial Dr #10, St. Louis, MO 63139
    View profile for Thornburgh Insulation Inc(314) 644-5323

  19. #19 John Bender Inc.

    Based in St. Louis, 23 mi away

    68/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.

    • 4.7★ from 3 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    2600 Endicott Ave, St. Louis, MO 63114
    View profile for John Bender Inc.(314) 426-3736

  20. #20 BROCK INDUSTRIAL

    Based in East Saint Louis, 12 mi away

    65/100CR Score

    Ranked #20 because of its Google rating and trade focus: 3.9★ from 10 Google reviews, listed on Google as “Painter”.

    • 3.9★ from 10 Google reviews
    Hours
    Mon–Fri 7 AM–3 PM · Sat–Sun closed
    Address
    1 Riverview Ave, Sauget, IL 62201
    View profile for BROCK INDUSTRIAL(618) 646-9397

  21. #21 All Star & Roofing

    Based in St. Louis, 15 mi away

    65/100CR Score

    Ranked #21 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–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    3508 Wyoming St, St. Louis, MO 63118
    View profile for All Star & Roofing(314) 771-8424

Also serving Belleville

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.

Unranked insulation contractors serving Belleville
BusinessGoogle ratingDistance
Acme Fire Proofing & Installation5.0★ (1)11 mi
Bay Insulation of Missouri Inc5.0★ (1)17 mi
Buckley Insulation5.0★ (2)23 mi
Budrovich Mechanical Insulation19 mi
Crawlspace Medic of SwanseaIn Belleville
D&L Painting and Drywall2.0★ (1)23 mi
Green Tech Solution LLC17 mi
Greenmark Home Performance, LLC1.0★ (1)5 mi
Grizealy Home Remodeling18 mi
Insulation Masters Inc15 mi
Insulation Masters, Inc.17 mi
ISS Insulation Services & Solutions16 mi
J AndersonIn Belleville
KB Insulation and Drywall, LLC17 mi
M.I.S Insulation17 mi
New Traditional Homes3.5★ (4)In Belleville
Pro-Pride Contractors IncIn Belleville
Sidney Insulation Inc5.0★ (1)18 mi
St. Louis Insulation Pros14 mi
United Mechanical Insulation19 mi

How much do insulation contractors cost in Belleville?

National price ranges in USD, not adjusted for Belleville. Each row names its basis and the month we checked it.

How much do insulation contractors cost in Belleville?
JobLowTypicalHighBasisChecked
Attic insulation$1,700$2,100$2,500Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national rangeOctober 2026

How we ranked Belleville insulation contractors

We scored 22 Belleville 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Belleville data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Insulation contractors in Belleville: frequently asked questions

Who is the best insulation contractor in Belleville?

By CR Score, the highest-ranked insulation contractor in Belleville, IL is Bug Out with a CR Score of 81/100. It has 4.9★ from 87 Google reviews. It is open 24/7. Goley, Inc. (#2) and Brady Pest Solutions (#3) follow. We ranked 22 insulation contractors on 8 factors, last updated October 22, 2026.

How many insulation contractors are there in Belleville?

ContractorsRanked ranks 22 insulation contractors serving Belleville, IL. 1 of them is based in Belleville; 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 Belleville are open 24/7?

3 ranked insulation contractors in Belleville post 24/7 hours. The highest-ranked are Bug Out (#1), Guaranteed Comfort and Energy (#7) and Improovy Painters (#8). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which insulation contractors in Belleville work on weekends?

7 of 22 ranked insulation contractors post Saturday hours and 5 post Sunday hours. The highest-ranked open Saturdays are Bug Out (#1), Brady Pest Solutions (#3) and Energy Stars Heating & Cooling Co (#5). Posted hours are office hours; crews may book weekend jobs separately.

How much does attic insulation cost in Belleville?

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 Belleville. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Belleville insulation contractors have?

The median Google rating among 22 rated insulation contractors in Belleville is 4.8★, with a median of 26 reviews. Energy Stars Heating & Cooling Co has the most, 1,175 reviews, and ranks #5. 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do insulation contractors outside Belleville count in this ranking?

Yes, if they are within 25 mi of the Belleville 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 Belleville

  1. October 2026: CR Scores recalculated for 22 insulation contractors serving Belleville.

More insulation contractors and Belleville pages

Other trades in Belleville