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    Average homeowner rating
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    Verified eifs installation services reviews

Top-Rated Eifs installation pros in Cornelius - Updated Nov 2026

Avatar for Northwest Weatherization
Northwest Weatherization
4.7(
97
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Cornelius, OR and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"Justin thoroughly walked me through what they would and the did it. Quote was clear and thorough, same with contract. Good communication and follow up questions. On day of installation they were well organized and kept the insulation spreading to a minimum. My attic is about 2000ft2 and it took about 5 hours. They cleaned up well and we reviewed what they accomplished. They followed up with the Energy Trust of Oregon paperwork and submitted it. I’m glad we hired them."
Example of a Properly Insulated Attic
Difference between insulated and non-insulated
The attic before insulation
A Properly Insulated Attic
Floor Insulation

+22

Response time1 day
36 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Crawlspace Masters, Inc.
Crawlspace Masters, Inc.
4.9(
94
)
Blown-In Insulation - Install or Upgrade

Serving Cornelius, OR and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"The Crawlspace Crew had great communication with me from the start all the way through the the new insulation being installed. Highly recommend working with this company!"
After
After
After
After
After

+221

Response time2 days
Response rate95%
41 neighbors recently requested a quote
Avatar for Westside Drywall, Inc.
Westside Drywall, Inc.
4.1(
121
)
Injection Insulation - Install

Serving Cornelius, OR and surrounding areas

Approved

In business since 1979

Free estimates

Emergency services offered

"I requested an AM installation as I had other contractors scheduled to be in the house later in the day. Installers arrived in early PM hours, able to work with them has other contractors arrived early, thus was able to get them working on their project. All in all, Westside Dry wall was easy to work with , very focused and efficient on site, and did a good job protecting the site to avoid insulation spreading to other areas. Were in and out in less than 2 hours for an attic re-insulation project"
Before Restoration
Blow In Blanket System
During Wall Injection
Before Restoration
Complex Window Design

+18

10 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for 3 Mountains Plumbing
3 Mountains Plumbing
4.2(
653
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Cornelius, OR and surrounding areas

Approved

In business since 2000

Emergency services offered

Warranties offered

"The whole experience with 3 Mountains Plumbing was outstanding from Nicole at the office to Jon Marc and Peter, the plumbers. They originally scheduled me for an appointment 5 days out, but Nicole watched appointments carefully and moved my appointment to the same day I called. Jon Marc, the plumber, was very knowledgeable and professional. He gave me different options, which allowed me to decide what worked best for me. He even gave me a teacher discount. After installing my water heater at 8:00 p.m. at night, he discovered a manufacturing problem with the water heater. He called another plumber, Peter. Peter was going off shift and was at the office, but got another water heater and brought it to my house so Jon Marc could install it! I think other plumbers would have said that they needed to come back the next day, but Jon Marc stayed until 10:00 p.m. installing the water heater. I will never use another plumbing company because 3 Mountains is the best! Nicole, Peter and Jon Marc... Thank you!"
The 3MP Team (Circa 2017)
Bill Kerrigan
Alex Grabbing a Photo
Rolling Through Lake Oswego
Random Patch Photo

+103

Response time1 day
341 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Renewal Renovations, LLC
Renewal Renovations, LLC
5.0(
12
)
Blown-In Insulation - Install or Upgrade

Serving Cornelius, OR and surrounding areas

Approved

In business since 2009

Free estimates

Warranties offered

We are a locally owned and operated company that values honesty and integrity in all aspects of our business. Our major focus is on the quality of our work and producing outstanding results. \n\nWe do a wide array of remodeling tasks including exterior roofs, windows, doors, trim, paint, etc. We also do interior kitchen and bathroom remodels. Any kind of interior or exterior remodel bid you want you can get from us. Our bids are quick and pressure free!\n\nWe are committed to creating a level of value unmatched by any of our competitors. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

Deck Creations!
New Siding Installation
Kitchen Remodel
Roof Installation
Awning Construction

+38

Response time4 hrs
Response rate98%
Recommended by100%of homeowners
Avatar for Santis Construction
Santis Construction
4.9(
24
)
Metal Siding: Install or Completely Replace

Serving Cornelius, OR and surrounding areas

Approved

Super Service Award Winner

Free estimates

Warranties offered

Credit card accepted

"Ricardo and his crew did a great job completely rehabbing a three bedroom. Every interior wall and ceiling was painted. Doors were replaced, ceiling exhaust fans installed, floor covering repair, electrical and plumbing etc. Through 11 change orders Ricardo kept track of it all and pushed to keep the project done on time. If I had more work to be done I would call Santi’s Construction immediately. Highly recommended !"
Handyman Services Project
Deck
IPE Wood Deck
Remodeling - General Project
Remodeling - General Project

+23

Response time1 day
2 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Josh Lowe's Dr. Energy Saver
Josh Lowe's Dr. Energy Saver
4.4(
101
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Cornelius, OR and surrounding areas

Approved (Corporate)

In business since 2006

Free estimates

Warranties offered

"Everyone from sales to installation were great. All my questions were answered cheerfully. Installation was on schedule, clean up was thorough and the 2 man crew was respectful of my property. They showed pics as they went along and did little extras not on my bid. The day after we had blistering hot weather and I noticed a remarkable difference in the house - I am so much more comfortable and winter should be better too. Looking forward to lower electric bills."
fiberglass in attic not working
attic insulated with closed-cell spray foam
Spray Foam Insulation
Spray Foam Insulation
Spray Foam Insulation

+36

Response time1 day
92 neighbors recently requested a quote
Recommended by92%of homeowners
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Eifs Installers FAQs, answered by experts

To find and hire a reputable contractor for an egress window installation, you should first research local professionals and then vet your top candidates. Start by searching for local contractors who specialize in this type of work, read their customer reviews, and examine their website and portfolio. Once you have a shortlist, contact them to ask key questions: Are you licensed and insured? What is your specific experience installing egress windows? Can you provide references from previous customers? Do you perform the work yourself or use subcontractors? What is the estimated project timeline and your current schedule? How do you handle payment?

Expect excavation below grade, creating a well for access, weatherproofing, and thorough inspections during setup.

They meet local code demands for escape routes, lighten basements, and aid in reducing overall humidity.

Most professionals can install a window well in two to three days, depending on the size of the well and the window you want inside it. If you’re just replacing an existing window well, the work is much less intensive, and most experts can get the job done in just one day. Connecting the window well to a drainage system or installing a custom concrete window well will naturally take longer, but even the most complicated installations shouldn’t take more than three days.

When you need new windows depends on a variety of factors, including the age of your windows, the age of your home, and the climate you live in. If you’re dealing with budget constraints, you don’t need to replace all your windows simultaneously. 

When buying new windows, you should consider energy efficiency, safety, and aesthetics to choose the right window for you.

The Cornelius, OR homeowners’ guide to eifs installation services

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