Skip to content
ContractorsRanked

ThermoLine InsulationInsulation contractor in San Antonio, TX

ThermoLine Insulation is an insulation contractor at 4040 Broadway Ste 559, San Antonio, TX 78209, ranked #30 of 93 insulation contractors in San Antonio and rated 5.0 from 6 Google reviews. Open 7 days a week.

San Antonio, TXUpdated 0 paid placements in any rankingHow we rank

Call (726) 610-8429

Key facts

Key facts about ThermoLine Insulation
Address4040 Broadway Ste 559, San Antonio, TX 78209Get directions
Phone(726) 610-8429
HoursMonday to Sunday: 7 AM – 9 PM
Google rating5.0 from 6 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves San Antonio and 11 towns within 25 miles: Terrell Hills, Alamo Heights, Kirby, Windcrest, Leon Valley, Converse, Live Oak, Lackland Air Force Base, Universal City, Selma and Schertz.

Based in San Antonio, TXView on map

Opening hours

Opening hours for ThermoLine Insulation
DayHours
Monday7 AM – 9 PMevening
Tuesday7 AM – 9 PMevening
Wednesday7 AM – 9 PMevening
Thursday7 AM – 9 PMevening
Friday7 AM – 9 PMevening
Saturday7 AM – 9 PMevening
Sunday7 AM – 9 PMevening
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays

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

ThermoLine Insulation compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
ThermoLine Insulation (this business)—805.0 (6)—YesYes
One Call Attic & Home Insulation#28815.0 (3)—YesYes9.7 mi
iFOAM Insulation#29814.8 (47)—YesNo7.3 mi
Somri Home Services#31805.0 (126)—YesYes12.2 mi

See all 93 ranked insulation contractors in San Antonio

Questions about ThermoLine Insulation

How is ThermoLine Insulation ranked in San Antonio?

ThermoLine Insulation is ranked #30 of 93 insulation contractors in San Antonio by CR Score, with 80 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity and profile completeness. No business can pay to change its rank.

What are ThermoLine Insulation’s hours?

ThermoLine Insulation is open 7 days a week. Its listed hours are Monday to Sunday, 7 AM – 9 PM. On Saturdays it is open 7 AM to 9 PM, and on Sundays 7 AM to 9 PM. Hours come from the business listing; holiday hours may differ.

What areas does ThermoLine Insulation serve?

Serves San Antonio and 11 towns within 25 miles: Terrell Hills, Alamo Heights, Kirby, Windcrest, Leon Valley, Converse, Live Oak, Lackland Air Force Base, Universal City, Selma and Schertz. 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 ThermoLine Insulation?

ThermoLine Insulation has a rating of 5.0 from 6 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 ThermoLine Insulation?

Call ThermoLine Insulation on (726) 610-8429. The business is at 4040 Broadway Ste 559, San Antonio, TX 78209. Ask for a written estimate before any work starts.

Own ThermoLine Insulation? Claim this profile.

Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

Claim this profile