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Northwest Washington Insulation Contractors

Northwest Washington’s premier insulation company specializing in energy efficiency and crawlspace encapsulation.

We service Western Washington, including Whatcom, Skagit, Island Counties, and beyond.

Whether the insulation in your home was brought into question because of rodent damage, a home inspection, an energy audit, or you’re just tired of cold winters and hot summers, this is an opportunity to make your home complete and keep you moving forward.

Forward to comfort, increased air quality, lower energy bills, higher resale value, or just forward to your next home.

No more one-size-fits-all estimates. Every home insulation job can be done in many different ways with different materials. When we send you an estimate, we’ll give you our recommended scope of work with options to increase or decrease it so you can choose the best option for your needs.

Get all your questions answered with a free home insulation inspection and estimate.

Insulation Option

Every home is different. We offer a range of different options and solutions to meet your home’s specific needs, from attics and crawlspaces to air sealing and moisture control.

Being faced with a home insulation project can leave you with a lot of questions.

What’s the extent of the damage?

What was the cause of the damage?

How much is the project going to cost?

Get all your questions answered with a free home inspection.

1.

Schedule
an Inspection

We assess your home and discuss your goals.

2.

Review
Your Options

We explain the best solution for your home

3.

Plan
Your Project

We create a plan that fits your needs and budget

Get Answers About Your Home

What the Neighbors Say

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Will Skyrud profile picture
Will Skyrud
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Cory and his team did an amazing job! From the initial quote to the final walk through we were taken care of and all our questions were answered. They were very flexible with our schedule and worked exceptionally fast. They took care of everything on the rebate end, we couldn't be happier and highly recommend!
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Roxann Martinez profile picture
Roxann Martinez
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The Insulation Company did a great job revamped our house. All the employees were very professional and did a great job.
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Scott Richardson profile picture
Scott Richardson
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WOW great job. I would recommend everyone that has Cascade Gas contact to see if you qualify. BEST deal Ever.
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Ethan Fritzberg profile picture
Ethan Fritzberg
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I had a very positive experience with the insulation company! I recently had insulation replaced in the attic and added to the crawlspace. Cory was very knowledgable about the rebates available, answered all sorts of questions and was very responsive throughout the scheduling and work process. The crew that installed the insulation were great too - highly recommend the insulation company.
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Alec Bartee profile picture
Alec Bartee
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Cory and his crew are top notch! Easy to communicate with, easy to plan with. Flexible, fair and considerate of their clients needs and wants. Like a lot of folks right now we were looking to take advantage of some credits offered by the gas utility, and like a lot of folks we had work done by the first company who came to our door selling the service, that company was NOT Cory and The Insulation Company. We learned that there are many companies offering service using these utility credits, but they are definitely not all the same. Cory and The Insulation Company improved our entire crawlspace, and fixed some of the problems left behind by the previous installer. If you're using credits or paying 100% out of pocket, The Insulation Company is the place to go for the fairest market rate and highest quality installation.
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Julia Kerl profile picture
Julia Kerl
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I selected C &C Insulation LLC, to remove and upgrade the insulation under my house through the rebate provided by Cascade Natural Gas. Cory Krieger, the owner/manager, and his crew were onetime, very professional and dedicated to their work. This was not an easy space to work in but I heard not one complaint. Cory kept me informed and even fixed an issue with a faucet line that I was not aware of. I highly recommend The Insulation Company!
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J Stutsman profile picture
J Stutsman
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Work was completed efficiently and timely. They cleaned up everything. Insulation looks great. They went above and beyond to fix things they ran into and make things as right as possible. Highly recommend the Insulation Company.
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Morgan Ferry profile picture
Morgan Ferry
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
The Insulation Company is a top notch business. I’ve worked with Cory on a couple projects for our family and he has been extremely helpful, responsive and knowledgeable. We have a pretty complicated situation and he has been flexible on scheduling and worked with us on change orders as our project has evolved. We’ve used them for attic insulation, pipe wrapping, close cell foam in the crawl space, crawl space door construction and closing up access from rodents. I can’t recommend them enough.
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Erica Baldridge profile picture
Erica Baldridge
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
We used the Insulation Company to put in new insulation in our attics and crawl space. They also did some additional crawl space repairs. Cory and his team are amazing!!! Throughout the entire process communication was excellent and the work done was perfect. Everyone went above and beyond. I highly recommend the Insulation Company!

Proudly using the industry-leading,
eco-friendly products from

The Industry Standard

Owens Corning is the name professionals trust. As a leader and innovator in fiberglass insulation, they’ve set the bar for performance, reliability, and sustainability for decades. That’s why we choose Owens Corning for every project—because our customers deserve nothing less than the best.

Sustainable by Design

With up to 65% recycled content in their Next Gen Fiberglas™ batts, Owens Corning is leading the way in responsible building materials. Their commitment to using recycled materials helps reduce environmental impact while maintaining top-tier performance and efficiency. This dedication to sustainability perfectly aligns with our values—and our customers’ expectations.

Installer-Approved

Our team works with insulation every day, and the Fiberglas™ line makes that work easier and more efficient. The material is easy to handle, cuts cleanly, and installs smoothly, helping us maintain a high standard of craftsmanship on every project.