Best Insulation Pros in Cedar Rapids, IA

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

How We Identified the Best Insulation in Cedar Rapids, IA

Our "best" ranking goes beyond star ratings. We evaluated insulation companies in Cedar Rapids, IA 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 Cedar Rapids, IA customers, not just overall ratings
  • Ask about warranties on both parts and labor before signing a contract
1

Thermal Shop

6425 7th St Ct SW Ste A, Cedar Rapids, IA 52404, USA
★★★★★ 5 (97 reviews)
Licensed & InsuredTop Rated
Services: Insulation
2

Classic Spray Foam Insulation

211 8th St SE, Cedar Rapids, IA 52401, USA
★★★★½ 4.8 (16 reviews)
Licensed & InsuredTop Rated
Services: Insulation
3

Kinzler Construction Services

9915 Atlantic Dr SW #100, Cedar Rapids, IA 52404, USA
★★★★½ 4.5 (61 reviews)
Licensed & InsuredTop Rated
Services: Insulation
4

C D Insulation LLC

406 E State St, Williamsburg, IA 52361, USA
★★★★★ 5 (9 reviews)
Licensed & Insured
Services: Insulation
5

Hawkeye Insulation

755 64th Ave Ct SW, Cedar Rapids, IA 52404, USA
★★★★★ 5 (1 reviews)
Licensed & Insured
Services: Insulation
6

Weather Technicians of Iowa

2905 W Penn St, North Liberty, IA 52317, USA
★★★★★ 5 (38 reviews)
Services: Insulation
7

Contractor Services of Iowa

1862 E Ave NE, Cedar Rapids, IA 52402, USA
★★★☆☆ 3 (12 reviews)
Services: Insulation
8

Wildside Spray Foam

413 1st Ave SW, Cedar Rapids, IA 52405, USA
★★★★★ 5 (2 reviews)
Services: Insulation
9

RetroFoam Iowa

1727 Commercial St, Waterloo, IA 50702, USA
★★★★½ 4.7 (70 reviews)
Services: Insulation
10

Jenatae Foam Insulation Co

Cedar Rapids, IA 52401, USA
★★★★★ 5 (2 reviews)
Services: Insulation

How We Ranked These Cedar Rapids Pros

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

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

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