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Find Insulation pros in Oak Harbor

Avatar for SPF Insulation
SPF Insulation
4.8(
48
)

Serving Oak Harbor, WA and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"We’re building a new 1000 SF home and these guys did a great job. Easy to communicate with, showed up when they said they would and knocked the entire job out in a day. City insulation inspection passed without any issues the next day. SPF was even kind enough to upgrade to higher R-value insulation in some of our 2x8 walls at no added cost. Highly recommend!"
Drill & Fill
Drill & fill
Drill & Fill
Drill & Fill
Drill & Fill Method

+1

Response time3 days
1 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for PNW Insulation, LLC
PNW Insulation, LLC
4.7(
251
)

Serving Oak Harbor, WA and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"PNW Insulation did a great job. Sprayed insulation in our walls and rolled insulation in the attic space. They were fast and professional, skilled and easy to communicate with. Would recommend them 100%"
Before
All insulated
Final with Wmp
Getting ready to start
Inside office

+22

Response time1 day
Response rate93%
38 neighbors recently requested a quote
Avatar for EvergreenPro Insulation LLC
EvergreenPro Insulation LLC
5.0(
19
)

Serving Oak Harbor, WA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Jaime was very attentive and professional. He answered all my questions and concerns very thoroughly. His timely manner upon his arrival was very prompt. Would highly recommend him to anyone who needs any type of insulation needed in their home. Would definitely hire him again."
Before clean out
After clean out
After installation
After installation
Access door frame

+4

Response time1 day
Response rate96%
35 neighbors recently requested a quote
HM Insulation, LLC
5.0(
6
)

Serving Oak Harbor, WA and surrounding areas

Approved

In business since 2021

Free estimates

Small jobs welcome

"I recently hired HM insulation to help clean up from a leaky pipe and put new insulation in as well as insulating the pipes. They were very knowledgeable and knew just what to do. I highly recommend them for quality and going beyond to help with whatever issues we had. Prices are excellent and their crew was very helpful and cordial. We will hire them again if we need any other place insulated! Thanks guys!!"
My work
My work
My work
My work
My work

+10

Response time10 mins
Response rate86%
Recommended by83%of homeowners
Avatar for Acorns Attics & Crawls, LLC
Acorns Attics & Crawls, LLC
5.0(
17
)

Serving Oak Harbor, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Credit card accepted

"Acorns Attic was hired for a rodent removal job and I had some insulation replaced since it was dirtied with rodent droppings. Phil and team did a great job. They took plenty of pictures of before and after. I haven’t had rodents since they patched up the openings and the insulation looks great!"
Response time4 hrs
Response rate99%
28 neighbors recently requested a quote
Pacific Spray Systems LLC
5.0(
6
)

Serving Oak Harbor, WA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer spray foam insulation services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

Response time2 days
9 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for WASHINGTON RETROFOAM LLC
WASHINGTON RETROFOAM LLC
4.8(
6
)

Serving Oak Harbor, WA and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

We have over 27 years of experience and over 100k homes insulated. RetroFoam is a non-toxic, odor-free, tripolymer-based resin that acts as both an insulator with a high R-Value and an air seal. This injection foam doesn't off-gas, is Class One Fire Rated, and safe to have in your home. It is an excellent choice for existing exterior walls and can be installed from outside the home. \n\nWashington RetroFoam understands that your home is your biggest investment and you don't want to waste time and money dealing with an uncomfortable home and high energy bills. We offer PREMIER service to the following neighborhoods: * Shoreline, Bellevue, Magnolia, Ballard, Queen Anne, West Seattle, Capitol Hill, Wallingford, University District, Magnolia, Seward Park, Fauntleroy, Laurelhurst, Bothell, North Bend, Snoqualmie, Renton, Kent, Des Moines.

My jobs
My jobs
My jobs
My jobs
My jobs

+22

Response time2 days
8 neighbors recently requested a quote
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Showing 1-10 of 52

FAQs for insulation service projects in Oak Harbor, WA

Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.

R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.

Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.

You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.

Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.

The Oak Harbor, WA homeowners’ guide to insulation services

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

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