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TRUSTED BY LONGBRANCH, WA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon127
    Verified insulation services reviews

Top-Rated Insulation pros in Longbranch - Updated Nov 2026

Avatar for Insulation Northwest
Insulation Northwest
4.8(
107
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeSpray Foam Insulation - Install+2 more

Serving Longbranch, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Warranties offered

"Zero complaints. I have worked with Insulation Northwest twice now and have been very satisfied both times. The sales agent worked with me to find the best and most cost-effective solution, the customer service team is responsive, and the installers were professional, curtious, and pleasant. I recommend Insulation Northwest for all your insulation needs!"
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17 neighbors recently requested a quote
Recommended by74%of homeowners
Avatar for Lake Atitlan Insulation, LLC
Lake Atitlan Insulation, LLC
5.0(
20
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Longbranch, WA and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"We had Lake Atitlan Insulation remove our old insulation and replace it with R-38. I enjoyed working with Nanni from the initial meeting to the final step of installing the insulation. Very knowledgeable lady and truly exceptional customer service. A highly recommended insulation contractor."
7 neighbors recently requested a quote
Recommended by5%of homeowners
Avatar for Turner Home Insulation LLP
Turner Home Insulation LLP
4.8(
11
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Longbranch, WA and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"I asked for help with no notice and they responded with the repair the very next day because I was only in town for 2 days to fix the insulation problem for my home sale inspection. Thanks very much for your help today! I would happily recommend them anytime!"
Our LOGO
Response time1 day
7 neighbors recently requested a quote
Recommended by72%of homeowners
A G INSULATION LLC
5.0(
10
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Longbranch, WA and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

A G INSULATION LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. \n

Recommended by22%of homeowners
Avatar for Acorns Attics & Crawls, LLC
Acorns Attics & Crawls, LLC
5.0(
17
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Longbranch, 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 rate100%
32 neighbors recently requested a quote
Pacific Spray Systems LLC
5.0(
6
)
Spray Foam Insulation - Install

Serving Longbranch, 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
2 neighbors recently requested a quote
Recommended by100%of homeowners
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Insulation FAQs, answered by experts

The primary reason that insulation saves you money over time is that it reduces your energy bills by making your home more energy efficient. A crucial part of an insulation system is a properly installed vapor barrier. Local building codes dictate whether your insulation requires a vapor barrier based on the type installed. While some high-quality wool insulation may not technically need a vapor barrier, most municipalities still require one to meet code.

You’ve likely heard the saying “heat rises”—well, it’s true! This is why it is critical to properly insulate your attic and protect yourself from chilly winter nights. During summer, your attic insulation will also protect against excessive heat gain radiating through the ceiling into the rest of your home below.

Blown-in insulation works, but only for unfinished attics. Also, it isn’t the longest-lasting nor the most effective option. For better options, look into spray foam insulation or natural fiber batts. They typically have a longer lifespan, better heat resistance, and stronger sound-proof abilities. Spray foam insulation costs about $1.25 to $1.50 per square foot, but can go up to more than $4 per square foot. Fiber batt pricing varies depending on the material.

A DIY blown-in insulation project in a typical attic should take you no more than a week to complete. Experienced homeowners can blow an entire attic in one or two days.

Periodic checks for moisture or pest issues ensure consistent performance.

The Longbranch, WA homeowners’ guide to insulation services

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