Top-rated batt, rolled or reflective insulation install or upgrade pros.

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Find Batt, rolled or reflective insulation install or upgrade pros in Belfair

Rainier Insulation Services

5.00(
4
)
Approved Pro

Rainier Insulation Services

5.00(
4
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
9 years of experience

With over 13 years experience in the insulation, we offer properly installed insulation to keep your home or office cool during the summer months, warm during the winter months and can also drastically reduce energy loss, cutting down on your monthly energy bills. We aim to help you save energy. We value our customers and want our work to be sustainable over the lifetime of your home and beyond. Our employees make our company strong and we continually strive to keep them all up to speed on the latest methods of installation and the best materials to use so we can pass those qualities on to you. Rainier Insulation Services, INC., is licensed and bonded.

"I had them take down the insulation and treat it for insects, they put it back in and did a great job. They were good."

John G on April 2023

With over 13 years experience in the insulation, we offer properly installed insulation to keep your home or office cool during the summer months, warm during the winter months and can also drastically reduce energy loss, cutting down on your monthly energy bills. We aim to help you save energy. We value our customers and want our work to be sustainable over the lifetime of your home and beyond. Our employees make our company strong and we continually strive to keep them all up to speed on the latest methods of installation and the best materials to use so we can pass those qualities on to you. Rainier Insulation Services, INC., is licensed and bonded.

"I had them take down the insulation and treat it for insects, they put it back in and did a great job. They were good."

John G on April 2023


Avatar for Attic Doctor LLC

Attic Doctor LLC

5.00(
15
)
Approved Pro

Attic Doctor LLC

5.00(
15
)
Approved Pro
Customers say: Quick response
151 local quotes requested
2 years of experience

Welcome to your one-stop shop for insulation, rodents and mold! Attic Doctor is a local, licensed contractor providing eco-friendly solutions to all of your attic and crawl space problems. Scratching sounds coming from the attic, when you’re trying to sleep? Mold destroying your roof and air quality? Losing your mind over heating and cooling costs? Call the Attic Doctor!

"Rodent exclusion work - they keep coming back until it’s done! No other rodent exclusion outfits I had out offered any kind of guarantee. After 6 months I needed them again and they were here in a flash! Amazing customer service. "

Anja C on July 2025

Welcome to your one-stop shop for insulation, rodents and mold! Attic Doctor is a local, licensed contractor providing eco-friendly solutions to all of your attic and crawl space problems. Scratching sounds coming from the attic, when you’re trying to sleep? Mold destroying your roof and air quality? Losing your mind over heating and cooling costs? Call the Attic Doctor!

"Rodent exclusion work - they keep coming back until it’s done! No other rodent exclusion outfits I had out offered any kind of guarantee. After 6 months I needed them again and they were here in a flash! Amazing customer service. "

Anja C on July 2025



"Great work. They even worked around other projects I was getting done. I would definately hire them again."

Brian M on November 2025

At Insulation Northwest, we've been providing homes and businesses with the best insulation products and expert service since 2006. No matter your insulation needs - home or business, installation or repair, we look forward to working with you

"Great work. They even worked around other projects I was getting done. I would definately hire them again."

Brian M on November 2025


Avatar for PNW Insulation, LLC

PNW Insulation, LLC

4.82(
207
)
Approved Pro

PNW Insulation, LLC

4.82(
207
)
Approved Pro
Customers say: Quick response
50 local quotes requested
10 years of experience

PNW INSULATION LLC is a family-owned business with 10+ years of experience combined. We take pride in providing the best customer services and experience while working on your home. We strive to build and maintain a long-term relationship with each customer. Here at PNW INSULATION LLC, we specialize in Spray foam, new construction, retrofitting, attics, and crawlspaces, rodent exclusion, duct sealing, air sealing. Each of our jobs comes with 3 FREE quality assurance check up to a year following completion.

"PNW insulation is the best in the business. They have helped me on a number of projects. My personal home, my rental properties, and also my clients homes. They are professional, clean & always on time. Their price is fair, their quality is great, and the customer service is top notch. From sales people, to admin, to installers, everyone at PNW cares about the customer. "

Josh K on December 2025

PNW INSULATION LLC is a family-owned business with 10+ years of experience combined. We take pride in providing the best customer services and experience while working on your home. We strive to build and maintain a long-term relationship with each customer. Here at PNW INSULATION LLC, we specialize in Spray foam, new construction, retrofitting, attics, and crawlspaces, rodent exclusion, duct sealing, air sealing. Each of our jobs comes with 3 FREE quality assurance check up to a year following completion.

"PNW insulation is the best in the business. They have helped me on a number of projects. My personal home, my rental properties, and also my clients homes. They are professional, clean & always on time. Their price is fair, their quality is great, and the customer service is top notch. From sales people, to admin, to installers, everyone at PNW cares about the customer. "

Josh K on December 2025


Avatar for BUILDING PERFORMANCE PROS LLC

BUILDING PERFORMANCE PROS LLC

5.00(
1
)
Approved Pro

BUILDING PERFORMANCE PROS LLC

5.00(
1
)
Approved Pro
Free onsite estimate

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"The workers were on time. Very efficient. They did a blower door test and found the air leaks and insulated these areas. Blew installation above the garage, cleaned out the crawl space and put new installation there and basement. Found a water leak from my toilet,Thank goodness. Covered everything in the basement and swept and cleaned up after. I would recommend them!"

Nancy W on October 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"The workers were on time. Very efficient. They did a blower door test and found the air leaks and insulated these areas. Blew installation above the garage, cleaned out the crawl space and put new installation there and basement. Found a water leak from my toilet,Thank goodness. Covered everything in the basement and swept and cleaned up after. I would recommend them!"

Nancy W on October 2025


Avatar for Envirosmart Solution Inc

Envirosmart Solution Inc

5.00(
1
)
Approved Pro

Envirosmart Solution Inc

5.00(
1
)
Approved Pro
21 years of experience
Free onsite estimate

We are a local family-owned business that opened its doors in 2004 with our main goal of providing the best customer experience that we can to every single customer from the smallest to the biggest projects and maintain a long term relationship. We are ONE-STOP-SHOP for ALL Energy Efficiency needs. We are located in Renton, WA and gladly serving over 25 cities in the Washington Puget sound area. Our affordable, licensed, insured, and trained workers are here to help make your home safe, energy-efficient and comfortable. We can do: Energy efficiency upgrades and planning, Attic & Crawl space clean up and decontamination, Attic & Crawl space insulation installation. Vapor & Radiant barriers installation. Air Ducts & Dryer vent cleaning & replacement. HVAC, Ventilation installation and repair. Solar fans. HVAC Lighting installation, Generators, Surge protectors.

We are a local family-owned business that opened its doors in 2004 with our main goal of providing the best customer experience that we can to every single customer from the smallest to the biggest projects and maintain a long term relationship. We are ONE-STOP-SHOP for ALL Energy Efficiency needs. We are located in Renton, WA and gladly serving over 25 cities in the Washington Puget sound area. Our affordable, licensed, insured, and trained workers are here to help make your home safe, energy-efficient and comfortable. We can do: Energy efficiency upgrades and planning, Attic & Crawl space clean up and decontamination, Attic & Crawl space insulation installation. Vapor & Radiant barriers installation. Air Ducts & Dryer vent cleaning & replacement. HVAC, Ventilation installation and repair. Solar fans. HVAC Lighting installation, Generators, Surge protectors.


Nathan Trodahl - State Farm Insurance

No reviews yet

Nathan Trodahl - State Farm Insurance

No reviews yet
16 years of experience

Harolds Handyman Service LLC

5.00(
1
)

Harolds Handyman Service LLC

5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Harold’s Handyman Service, LLC is a locally owned and operated general contracting company in Olympia, Washington. While we specialize in small jobs for residential and commercial clients, we also handle major projects with ease. Estimates are free. A deposit is normally collected prior to work beginning with the balance due upon completion. We accept most forms of payment including cash, checks and major credit cards.

Harold’s Handyman Service, LLC is a locally owned and operated general contracting company in Olympia, Washington. While we specialize in small jobs for residential and commercial clients, we also handle major projects with ease. Estimates are free. A deposit is normally collected prior to work beginning with the balance due upon completion. We accept most forms of payment including cash, checks and major credit cards.


Bio Management Northwest

4.40(
5
)

Bio Management Northwest

4.40(
5
)
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Additional DBA - Bio Management Northwest Inc. See website for additional services. DBAs Clutter Control NW, Healthy Crawlspaces NW, & Water & Fire NW.

Additional DBA - Bio Management Northwest Inc. See website for additional services. DBAs Clutter Control NW, Healthy Crawlspaces NW, & Water & Fire NW.

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FAQs for batt, rolled or reflective insulation install or upgrade projects in Belfair, WA

Batt insulation excels in vertical installations because it remains firmly in place and delivers consistent thermal performance. Blown-in insulation performs exceptionally in spaces such as attics, efficiently filling gaps in irregular areas. 

Employing both insulation types according to their strengths enhances your home’s overall energy efficiency and comfort by providing a tailored solution for every space.

Start by measuring the square footage of the space, then match that area with the insulation thickness you need to hit your target R-value. Add a buffer for waste and odd-shaped spots so every cavity is covered. 

Once you have a rough count, run it past a local insulation pro—their on-site advice will fine-tune the numbers and help you avoid costly miscalculations.

Old insulation that is dry, intact, and mold-free does not require removal before adding new insulation; stacking new insulation over it maintains effective thermal performance and boosts energy efficiency. 

If the insulation is damp, moldy, or deteriorated, removal is necessary to eliminate health risks and ensure maximum effectiveness of the new layer. A professional insulation contractor will assess your situation and recommend the most effective solution.

Installing insulation in an average-sized home using batts or boards requires five to 12 hours. Using spray foam or blown-in insulation requires two to five hours. These timeframes are determined by the area’s size, accessibility, and whether old insulation must be removed. 

Complex projects and hard-to-reach spaces demand extra time. Hiring an experienced insulation professional ensures that the installation is completed efficiently and correctly.

Insulation is measured by R-value, which defines how effectively it resists heat flow. A higher R-value provides superior thermal resistance, ensuring your home remains warm in winter and cool in summer. 

Choosing the correct R-value is essential for maximizing energy efficiency and comfort, and it directly impacts long-term utility savings. Professional guidance determines the optimal R-value for your specific climate.

The Belfair, WA homeowners’ guide to batt, rolled or reflective insulation installs or upgrades

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