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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon103
    Verified insulation services reviews

Verified Reviews for Insulation Service pros in Kenai, AK

*The Angi rating for Insulation Service companies in Kenai, AK is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.

*The HomeAdvisor rating for Insulation Service companies in Kenai, AK is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.

Last update on October 06, 2025

Find Insulation pros in Kenai

Avatar for PolySeal Insulation LLC

PolySeal Insulation LLC

2360 S Old Glenn Hwy
4.94(
17
)
•Approved Pro

PolySeal Insulation LLC

2360 S Old Glenn Hwy
4.94(
17
)
•Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
34 local quotes requested

We're a family-owned, residential construction contractor based in Alaska and have been in business for over 20 years. Our niche is specialty construction solutions. We thrive on trouble-shooting and solving construction problems unique to Alaska - this ranges from insulation methods to combat extremely cold weather, Geo-foam applications to stabilize settling ground, lifting settled houses, creating curtain walls for water abatement, sea wall stabilization, grout injection, helical piers, and the like. We have multiple teams of highly qualified and certified technicians with years of experience. We take pride in providing high-quality products and services to our customers, and our reviews reflect the hard work we have put in.

"Excellent, perfectly done. Would recommend to everyone"

Andy H on March 2024

We're a family-owned, residential construction contractor based in Alaska and have been in business for over 20 years. Our niche is specialty construction solutions. We thrive on trouble-shooting and solving construction problems unique to Alaska - this ranges from insulation methods to combat extremely cold weather, Geo-foam applications to stabilize settling ground, lifting settled houses, creating curtain walls for water abatement, sea wall stabilization, grout injection, helical piers, and the like. We have multiple teams of highly qualified and certified technicians with years of experience. We take pride in providing high-quality products and services to our customers, and our reviews reflect the hard work we have put in.

"Excellent, perfectly done. Would recommend to everyone"

Andy H on March 2024

Cold Frontier Construction LLC

15815 Old Glenn Highway
No reviews yet

Cold Frontier Construction LLC

15815 Old Glenn Highway
No reviews yet

We are a small but growing, family-run company providing the Anchorage/Mat-Su region with quality and lasting craftsmanship and service in all stages of construction. With over 15 years of industry experience, we provide competitive rates and satisfaction in all of our work. We can ensure if you want something built, we can build it. Whether you need a small kitchen remodel, or a nice new wrap around deck. Maybe you finally want that custom closet you've been talking about, or even a full addition! Or maybe you just need a few patches of drywall and some small maintence work from contractors that actually care? We are your new local Alaskan bred solution to all future interior and exterior dilemmas. Here at Cold Frontier Construction we'll get it done for you no matter the season! Services include full remodel, baseboards and trim, cabinet installation and design, decks and patios, rough framing, insulating, drywall install, mudding and taping, detailed finish carpentry, general maintenance and repairs, plus more!

We are a small but growing, family-run company providing the Anchorage/Mat-Su region with quality and lasting craftsmanship and service in all stages of construction. With over 15 years of industry experience, we provide competitive rates and satisfaction in all of our work. We can ensure if you want something built, we can build it. Whether you need a small kitchen remodel, or a nice new wrap around deck. Maybe you finally want that custom closet you've been talking about, or even a full addition! Or maybe you just need a few patches of drywall and some small maintence work from contractors that actually care? We are your new local Alaskan bred solution to all future interior and exterior dilemmas. Here at Cold Frontier Construction we'll get it done for you no matter the season! Services include full remodel, baseboards and trim, cabinet installation and design, decks and patios, rough framing, insulating, drywall install, mudding and taping, detailed finish carpentry, general maintenance and repairs, plus more!

Solar Wolf Energy

2.00(
2
)

Solar Wolf Energy

2.00(
2
)
10 years of experience

Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!

Solar Wolf is a full service solar company with a great reputation and an old world belief to our customers. To under-promise and over-deliver, period. We have 18 years experience in construction, remodeling, roofing, solar water heaters, solar pv systems, battery back-up systems and much more. See what Solar Wolf Energy can do for you!

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Insulation questions, answered by experts

Rockwool insulation can last up to 100 years, but just how long this insulation lasts in your home depends on how well it's maintained. Poorly installed insulation may last only 30 years, so be sure to regularly inspect your home's insulation for water damage, settling, and pests to give your insulation the best chance of having a long lifespan.

Insulating windows without plastic is usually the better method. Outside of simply replacing your windows, you could buy cellular shades, which trap air between the window and the home, add a window film that blocks UV rays and traps heat, or cover your windows with a low-emissivity coating called “low-E.”

Ideally, you can add new insulation to your existing insulation. However, some circumstances require you to remove old insulation before adding any new insulation: 

  • If the insulation is over 15 years old

  • If the insulation is wet or moldy

  • If it is vermiculite insulation

  • If you see signs of pest infestation

Removing old insulation is best left to a pro who can safely dispose of potential moldy or asbestos-ridden insulation.

The easiest way to cover your HVAC ducts during construction is to use painter’s tape to affix plastic sheets over your vents and air returns in the area of your home where construction will take place. Keep in mind that closing off a portion of your system can put strain on your blower motor and air handler, so either shut the zone off or shut your system off while construction is underway. If you shut the zone, you can also hang plastic sheets over doorways to separate the construction area and keep dust contained.

Once installed, injection insulation requires little maintenance, but periodic inspections for air leaks or moisture buildup are recommended.

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The Kenai, AK 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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