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4.8

(153 reviews)

Top-rated insulation pros.

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Avatar for Insulation Northwest
Insulation Northwest
4.8(
100
)

Serving Des Moines, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Warranties offered

"Insulation NW did an excellent job of removing old inadequate insulation from an attic and crawlspace and replacing it with new insulation and wrapping the ductwork. They had two crews, one for the attic and one for the crawlspace, working for many hours to complete the job. A vapor barrier was also installed in the crawlspace. We paid a very reasonable price after the large PSE Rebate was applied."
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23 neighbors recently requested a quote
Recommended by79%of homeowners
Avatar for Madrona Insulation
Madrona Insulation
4.9(
68
)

Serving Des Moines, WA and surrounding areas

Approved

In business since 2009

Free estimates

Warranties offered

"This company is fantastic! 1. Out of the 5 companies I was considering for insulation replacement (yes 5), their quote was the only one that was itemized and understandable. You knew each task you were paying for as well as what the workers were promising to deliver, which is extremely important when dealing with contractors. I found this out having met with 20+ over the last month. 2. They had the most reasonable price, and Rory in particular worked to volunteer his expertise on what our situation needed/did not need with an honesty that is hard to come by because it did not come off as self-serving or trying to take advantage of our lack of expertise. 3. They were reliable, on time, and very communicative every step of the way. They touched base frequently about our complicated situation, they were available for price discussions, and they were direct in communicating arrival and finishing times. I was extremely impressed. 4. The individuals at this company went above and beyond the call of duty. Rory was a pleasure to deal with; he reminds me of the neighbor you want to have because he has great advice, good contacts if you need work outside his company, and reasonable suggestions for what you can do to fix things, and to boot he was extremely available. He even answered our many calls with random questions off-work hours AND he volunteered to come out himself again outside of work hours just to help figure out the steps to fixing our problem. Debbie was affable and an organized presence on the phone. The other staff we worked with- Santiago, Rafael, Luis, and Felix- were all extremely courteous and hardworking during the projects. 5. They worked to coordinate with other contractors without me having to micromanage anyone. I had a roofing company, arborist/tree service, and vent cleaners on site. They were able to navigate their own working space and work in tandem on the roof with the roofers to replace the insulation on the cathedral portion of the house when the underdeck was ripped off, as well as add baffles appropriately. 6. They brainstormed to fix problems we were having at extremely reasonable prices. Example: The attic portion of my home was missing half the ceiling (had to be removed because of extensive mold damage) and they helped me place drywall so we could replace the insulation on the timeline we initially agreed to. It saved my husband and me a lot of money and heartache. What more could you want from a company? The biggest impression I walked away with is that this company actually cares about your situation. My husband and I were purchasing a new home in need of a lot of repairs. We have a toddler and I am third-trimester pregnant. With the move, the unpleasant relationship we had with the previous owners of our home, the strain on our finances, and the overwhelming stress of finding new problems everywhere we looked, I can only say I am extremely grateful we went with Madrona Home Services. Thank you!"
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7 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Mountain View Insulation, LLC
Mountain View Insulation, LLC
New to Angi

Serving Des Moines, WA and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

25+ years of experience! \nYou can also call us today at: (253) 224-3963\nEnglish and Spanish \nOur mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business, we feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!

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9 neighbors recently requested a quote
Avatar for Insulate4less, LLC.
Insulate4less, LLC.
4.9(
16
)

Serving Des Moines, WA and surrounding areas

In business since 2016

Free estimates

"Insulate4less did a great job. Shon and his crew were right on time and great to work with. They were fast, right on time and very fare on costs$$. Will hire again for future projects!!"
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+4

Recommended by100%of homeowners
Avatar for RGS Crawl Space Insulation
RGS Crawl Space Insulation
4.8(
31
)

Serving Des Moines, WA and surrounding areas

In business since 2012

Free estimates

"

I own a 1937 farmhouse in Whatcom County. I had concerns about the insulation in the crawl space and the attic. The owner of RGS came to my home and spent an hour inspecting the areas I was concerned about after which he sat down with me, explained what was needed and gave me a bid to do the work. The owner is as professional, knowledgeable and courteous as any business owner I have ever met. He quoted me a great price and gave me the highest quality of service I could have hoped for. I was so happy with RGS that I asked him to inspect the crawl spaces of two rental properties I own in Bellingham. I highly recommend that you ask RGS for to bid on any of your insulation needs. You will not be disappointed.

"
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+1

Recommended by100%of homeowners
Avatar for Clean Crawl, Inc.
Clean Crawl, Inc.
4.4(
373
)

Serving Des Moines, WA and surrounding areas

In business since 2001

Free estimates

Credit card accepted

"Clean Crawls did some amazing work on my home re-insulating my ancient attic insulation. Crew was efficient, thorough, and did a fantastic job. A couple minor issues happened during the install (disconnected lighting, broken light fixture) but Clean Crawls made it right and took care of us. Would definitely have them back to do work again."
Crawl Space Exclusion Work Before
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Nasty Crawl Space with Falling Insulation
Nasty Crawl Space Clean-up Before and After
Attic Insulation Blow-In Upgrades

+28

Recommended by93%of homeowners
Avatar for JB Insulation LLC
JB Insulation LLC
5.0(
2
)

Serving Des Moines, WA and surrounding areas

In business since 2024

Free estimates

Credit card accepted

"I needed my attic insulation updated. It had the original “blown in” loose material from 1975. After 49 years it had deteriorated and compressed. It was only a few inches deep. Also a leak in our old roof (recently replaced) had caused some mold in the old insulation. It had to be removed completely and redone. I called JB Insulation and asked for an estimate. Jose came over and inspected our attic. His experience and expertise was evident by how he explained everything. I felt very confident that I wanted his company to do the job. His price was very competitive and offered us the most value for our money. On the day of the job, his guys took much care in preparing for the job. They covered and taped our floors and wall corners to protect our home’s interior. They used a high powered insulation vacuum and removed all of the old insulation. They installed the new insulation and new baffles all in one day. Our attic looks great and we are really happy with their work. Yes I would recommend JB Insulation."
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Recommended by100%of homeowners
Avatar for StarDucts Professionals
StarDucts Professionals
4.8(
231
)

Serving Des Moines, WA and surrounding areas

In business since 2011

Free estimates

Emergency services offered

"We had rat damage to our insulation and ducts in our crawl space. In addition the vapor barrier needed to be dealt with. He did a great job as this was a tough area to work in. We also had him clean our dryer duct as it also was under the house. He took it apart and brushed it clean. We were so happy with all his work that we had him clean all of our furnace ducts with his power brush and vacuum."
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+1

Recommended by96%of homeowners
Avatar for Lakeside Heating & Air Conditioning
Lakeside Heating & Air Conditioning
5.0(
13
)

Serving Des Moines, WA and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"The installation was completed in a single day. The workers were courteous and conscience. They did make a bit  of a mess of my attic insulation where the drain lines were routed, but they missed putting it back after putting in a pretty long day and that was a relatively easy for me to fix. The workers took the time to give a basic operating instructions for the thermostat.

After the installation there have been problems with the furnace. Phoenix has been very active in followup service calls in trying to get to the root of the problem, including bringing in manufacturer service personnel. The problem with the furnace is not related to installation by Phoenix. It seems clear there is some kind of defect in the furnace itself that has been difficult to locate and resolve. I appreciate the persistence of Nick in getting this resolved. There have been at least 10 visits by Phoenix personnel, mostly Nick, in working on this problem."
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Recommended by100%of homeowners
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FAQs for insulation service projects in Des Moines, WA

When choosing a professional insulation installer, consider asking these questions to determine the best fit.

  • Will you address air leaks in my house?

  • Can you provide an R-value (heat resistance) fact sheet?

  • What kind of insulation will work best for my home?

  • How do you handle signs of a water leak?

  • Are you licensed and insured?

  • Can you provide customer references?

The best type of insulation for your home depends on what you need, so the answer will depend on your specific situation. If you’re building a house, structural panels are easy to install during the building process in addition to being the most energy efficient type. If you live in a warm climate, reflective insulation may benefit you more as it costs less than other insulation types. And for standard attics, loose-fill, spray foam, or blown-in insulation work well.

If you plan to heat or cool your garage, you’ll need to insulate the garage ceiling. Insulating your garage ceiling will make your garage much more energy efficient and save on heating and cooling costs. Not only does insulation make your garage more energy efficient, it helps reduce noise and can extend the life of your garage roof. You can use fiberglass, cellulose, mineral wool, or spray foam insulation for this project.

In some cases, you may not have enough insulation to properly regulate your home’s temperature. Watch for a few signs your home needs more insulation, such as:

  • High heating and cooling bills

  • Uncomfortable room temperatures 

  • Ice dams on the edge of your roof 

  • Roof leaks

  • Cold floors and walls

  • Freezing pipes

  • Temperature fluctuations

  • Visibly low insulation

  • Noise problems

  • Pest problems

On average, insulating an attic costs about $2,500, ranging from $1,500 to $3,500, depending on the insulation type, amount, and your attic’s accessibility. Additional cost factors include sealing air leaks, removal or replacement of insulation, and inspections. Types of insulation include:

  • Blown-in: $1–$4 per square foot

  • Spray foam: $2–$5 per square foot

  • Batt: $2–$4 per square foot

  • Structural insulated panels: $4–$7 per square foot

  • Loose-fill: $2–$5 per square foot

  • Reflective: $0.50–$1.50 per square foot

The Des Moines, WA homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.