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SI Thermal Home InsulationInsulation contractor in Marion, IL

SI Thermal Home Insulation is an insulation contractor at 8130 Southfork Rd, Marion, IL 62959, ranked #4 of 8 insulation contractors in Marion and rated 3.2 from 13 Google reviews. Open Monday to Friday.

Marion, ILUpdated 0 paid placements in any rankingHow we rank

Call (618) 964-1562

Key facts

Key facts about SI Thermal Home Insulation
Address8130 Southfork Rd, Marion, IL 62959Get directions
Phone(618) 964-1562
HoursMonday to Friday: 7:30 AM – 4 PM
Google rating3.2 from 13 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves Marion and 5 towns within 25 miles: Carterville, Herrin, Carbondale, West Frankfort and Murphysboro.

Based in Marion, ILView on map

Opening hours

Opening hours for SI Thermal Home Insulation
DayHours
Monday7:30 AM – 4 PM
Tuesday7:30 AM – 4 PM
Wednesday7:30 AM – 4 PM
Thursday7:30 AM – 4 PM
Friday7:30 AM – 4 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

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

SI Thermal Home Insulation compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
SI Thermal Home Insulation (this business)—523.2 (13)—NoNo
Armorguard Coatings LLC#2564.8 (34)—NoNo12.0 mi
JBS Spray Foam Insulation#3535.0 (5)—YesNo1.4 mi

See all 8 ranked insulation contractors in Marion

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

3.2from 13 Google reviews

Hired SI Thermal Home Insulation? Write a review

Questions about SI Thermal Home Insulation

How is SI Thermal Home Insulation ranked in Marion?

SI Thermal Home Insulation is ranked #4 of 8 insulation contractors in Marion by CR Score, with 52 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 are SI Thermal Home Insulation’s hours?

SI Thermal Home Insulation is open Monday to Friday. Its listed hours are Monday to Friday, 7:30 AM – 4 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does SI Thermal Home Insulation serve?

Serves Marion and 5 towns within 25 miles: Carterville, Herrin, Carbondale, West Frankfort and Murphysboro. 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 SI Thermal Home Insulation?

SI Thermal Home Insulation has a rating of 3.2 from 13 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 SI Thermal Home Insulation?

Call SI Thermal Home Insulation on (618) 964-1562. The business is at 8130 Southfork Rd, Marion, IL 62959. Ask for a written estimate before any work starts.

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