Comfort 1st Insulation is a leading energy consulting, spray foam and blow-in insulation contractor serving the greater Rockford, Illinois area. We not only provide insulation services in Rockford but Belvidere, Roscoe, Cherry Valley, and other surrounding areas. We specialize in residential and commercial installations for greater comfort, utility savings, sound reduction and ice dam control. Our insulation installers provide quality service and use only top quality materials.

Customer satisfaction is our priority, that’s why we offer a lifetime warranty! Our employees are Building Performance Institute (BPI) trained and certified.

Winter Heat Loss - Before and After Insulation


Have you been experiencing any of the following? Hot or cold rooms, drafts, high utility bills, humidity swings, low indoor air quality, mold and or ice dams? We have the resources and solutions for you.

We provide Free Estimates and Quotes.

Below are some of the services we provide. Take a look at our services page for more information on how we help you understand how we ensure increased comfort and efficiency of your home.


  • Friendly, Reliable, and Quality Guaranteed
  • 100% Green Product and Practices
  • No Subcontractors
  • Professional Service
  • Free Consultation, Estimate, and Quote
  • Licensed & Insured
  • Lifetime Warranty
  • BPI & RESNET Certified

If you are in the Rockford Area, you will get a $100 discount on any service. Job must be bigger than 800ft² (the average home is 2,600sq²).

Contact us today for your free estimate and consultation!

You can save $1,700 in discounts through your Utility Company (Nicor / People’s Gas / Northshore).

We’re more than willing to answer any questions, concerns, or other inquiries you may have.

Give us a call (833-244-7283), send an email info@comfort1stinsulation.com or fill out the form below.

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