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Central Mechanical InsulationInsulation contractor in East Alton, IL

Central Mechanical Insulation is an insulation contractor at 701 West Dr, Cottage Hills, IL 62018, ranked #5 of 29 insulation contractors in East Alton and rated 4.1 from 8 Google reviews.

East Alton, ILUpdated 0 paid placements in any rankingHow we rank

Call (618) 258-9970

Key facts

Key facts about Central Mechanical Insulation
Address701 West Dr, Cottage Hills, IL 62018, East Alton, ILGet directions
Phone(618) 258-9970
Google rating4.1 from 8 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves East Alton and 11 towns within 25 miles: Bethalto, Upper Alton, Wood River, Alton, Godfrey, Edwardsville, Pontoon Beach, Glen Carbon, Maryville, Granite City and Troy.

Based in East Alton, ILView on map

Typical insulation prices

Typical insulation prices
JobLowTypicalHigh
Attic insulationPer attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range$1,700$2,100$2,500

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby insulation contractors

Central Mechanical Insulation compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Central Mechanical Insulation (this business)—554.1 (8)———
Mid States Spray Foam#3565.0 (10)—YesYes5.1 mi
Koala Insulation of Gateway West & Metro East IL#4554.9 (528)—NoNo21.8 mi
Janssen Heating Cooling Plumbing & Insulation#6555.0 (52)—YesNo2.5 mi

See all 29 ranked insulation contractors in East Alton

Reviews

ContractorsRanked reviews

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Google

4.1from 8 Google reviews

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Questions about Central Mechanical Insulation

How is Central Mechanical Insulation ranked in East Alton?

Central Mechanical Insulation is ranked #5 of 29 insulation contractors in East Alton by CR Score, with 55 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What areas does Central Mechanical Insulation serve?

Serves East Alton and 11 towns within 25 miles: Bethalto, Upper Alton, Wood River, Alton, Godfrey, Edwardsville, Pontoon Beach, Glen Carbon, Maryville, Granite City and Troy. The list is based on the business's location and the usual service radius for insulation. Confirm your address is covered when you call.

What do Google reviews say about Central Mechanical Insulation?

Central Mechanical Insulation has a rating of 4.1 from 8 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Central Mechanical Insulation?

Call Central Mechanical Insulation on (618) 258-9970. The business is at 701 West Dr, Cottage Hills, IL 62018, East Alton, IL. Ask for a written estimate before any work starts.

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