Best Insulation Pros in San Bernardino, CA

Updated March 2026 · Based on licensing, reviews & response time

How We Identified the Best Insulation in San Bernardino, CA

Our "best" ranking goes beyond star ratings. We evaluated insulation companies in San Bernardino, CA on licensing, insurance, complaint history, response time, and pricing transparency to surface the truly top-tier options.

💡 Quick Tips:

Verify the company's license number on your state's contractor board website
Read recent reviews specifically from San Bernardino, CA customers, not just overall ratings
Ask about warranties on both parts and labor before signing a contract

1

Y&S Attic Insulation

2130 N Arrowhead Ave unit 201 D, San Bernardino, CA 92405, USA

★★★★★ 5 (18 reviews)

Licensed & InsuredTop Rated

Services: Insulation Contractor

2

RIS Insulation Supply

456 E Industrial Rd, San Bernardino, CA 92408, USA

★★★★★ 5 (3 reviews)

Licensed & InsuredTop Rated

Services: Insulation Contractor

3

San Bernardino Attic Insulation

24712 6th St, San Bernardino, CA 92410, USA

☆☆☆☆☆ 0 (0 reviews)

Licensed & InsuredTop Rated

Services: Insulation Contractor

4

Precision Line Insulation

520 S El Camino Real, San Clemente, CA 92672, USA

★★★★★ 5 (24 reviews)

Licensed & Insured

Services: Insulation Contractor

5

Apple Valley Insulation

17525 Catalpa St #109, Hesperia, CA 92345, USA

★★★½☆ 3.6 (33 reviews)

Licensed & Insured

Services: Insulation Contractor

6

All Seasons Insulation, Inc.

636 S I St, San Bernardino, CA 92410, USA

★☆☆☆☆ 1 (1 reviews)

Services: Insulation Contractor

7

BTE Insulation

3526 Duffy St, San Bernardino, CA 92407, USA

☆☆☆☆☆ 0 (0 reviews)

Services: Insulation Contractor

8

Empire Insulation

4211 Latham St, Riverside, CA 92501, USA

★★★★☆ 4.2 (5 reviews)

Services: Insulation Contractor

How We Ranked These San Bernardino Pros

Our rankings are based on a weighted evaluation of five key factors:

Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
Response Time — Companies offering same-day or 24/7 emergency service score higher.
Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
Experience & Longevity — Years serving the San Bernardino market and breadth of services factor into overall reliability.

Rankings are reviewed quarterly. Have a correction? Contact us.