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4.5

(25 reviews)

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Avatar for Energy Nerds
Energy Nerds
4.6(
20
)

Serving Cedar Falls, IA and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"They were honest by explaining to me why I shouldn't blow insulation into my walls because the siding is wood and would cause mold issue. Other companies would do the work even though they shouldn't."
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+22

Response time2 days
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Retrofoam Iowa, Inc.
Retrofoam Iowa, Inc.
4.3(
44
)

Serving Cedar Falls, IA and surrounding areas

In business since 2000

Free estimates

Warranties offered

"Jeff Smith is based at the Waterloo office. He was very good at customer service & responded to my emails in a reasonable time given this is probably a busy time of the year (November) for them. I am having additional blow in insulation behind a knee wall & in the attic to bring me up to code. The work has not been completed yet. I am waiting for an energy audit. That is why I can only rate the company as a 3."
 Remove siding, inject product, replace siding.
 We fill the entire space...
 Between the studs-sealing the home
Homes we have insulated
Homes we have insulated

+6

Recommended by100%of homeowners
Avatar for ENERGY NERDS IOWA LLC
ENERGY NERDS IOWA LLC
4.4(
52
)

Serving Cedar Falls, IA and surrounding areas

In business since 2016

Free estimates

Emergency services offered

"Jacob was friendly and knowledgeable when he came and gave us our insulation estimate. The two young men that came and did the installation were friendly and did the work efficiently and knew their job well."
Des Moines New Const.
Solar Fan in Burlington Iowa
Solar Fan install
Invisaflects Heat Reflective Coating on a cape cod
Energy Nerds 2018 Super Service Award

+6

Response time2 days
Recommended by93%of homeowners
Avatar for Unruh Insulation LLC - Home  Facebook
Unruh Insulation LLC - Home Facebook
5.0(
4
)

Serving Cedar Falls, IA and surrounding areas

In business since 1997

Free estimates

Credit card accepted

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 task or project. We look forward to earning your business!

Response time1 day
Recommended by100%of homeowners
Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,688
)

Serving Cedar Falls, IA and surrounding areas

In business since 1971

Credit card accepted

"Roberto was the technician and he was very professional, polite, and personable. He inspected the rest of our system and told us things that needed to be changed or repaired. He showed me pictures of everything. Everything he told me about was accurate. He quoted me a price for R38 insulation , Some of our ducts were plastic and he recommended them to be changed. I agreed completely and didn't know they were plastic. I would have had them done the work but I had no price comparisons to make and besides I didn't have the money right then. So he just finished the vent cleaning and left his card. He did a great job on the vent cleaning and was happy with the work."
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+2

Recommended by65%of homeowners
Avatar for Iowa Insulation Plus
Iowa Insulation Plus
New to Angi

Serving Cedar Falls, IA and surrounding areas

In business since 2024

Free estimates

We pride ourselves on delivering top-quality insulation solutions that are tailored to your specific needs. With experience and a commitment to using the best materials available, we ensure your home or business is energy-efficient, comfortable, and cost-effective. Our skilled team takes the time to assess your property, providing personalized recommendations that maximize insulation performance and long-term savings. We prioritize customer satisfaction, offering transparent pricing, a clean installation. Whether you're looking to lower energy bills, reduce your carbon footprint, or improve indoor comfort, we are here to help you make a smart investment that will pay off for years to come. Trust us for your insulation needs, and experience the difference of working with a company that truly cares.

Avatar for iFoam of Eastern Iowa
iFoam of Eastern Iowa
4.0(
2
)

Serving Cedar Falls, IA and surrounding areas

In business since 2016

Free estimates

Credit card accepted

iFoam is a Spray Foam Insulation Contractor located in Eastern Iowa. We specialize in Residential and Commercial installation of Spray Foam Insulation. Whether you need to remove and replace old insulation with energy efficient foam or have a new construction project, we do it! We have developed a reputation as providing high quality Spray Polyurethane Foam Insulation at the most affordable prices. Our prep work and application processes ensure the job is done quickly and efficiently.

Spray Foam
Insulation
Spray Foam
Portfolio
Portfolio

+6

Recommended by100%of homeowners
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Insulation questions, answered by experts

You can purchase bags of cellulose and loose-fill fiberglass blown-in insulation from the same local home improvement store where you rent your blower. If you want to use rock wool insulation, you may need to special order it.

Polyisocyanurate foam, or polyiso for short, has the highest R-value per square inch: 6.5 to 6.8. Polyiso is a rigid foam that comes with a reflective foil on both sides to serve as a radiant barrier. Given its high R-value, rigid foam is usually meant for foundations and basement walls.

Heavily exceeding building code requirements for insulation not only wastes money on materials but can also lead to ventilation and moisture problems. In most cases, the minimum amount of insulation required by code is perfectly adequate.

At a minimum, blown-in insulation lasts 20 to 30 years. Cellulose and sheep’s wool come from natural materials, so they likely max out at around 30 years. Fiberglass and rockwool feature artificial materials that boast lengthy lifespans, up to 50 years, or even longer in some cases. As always, this timeline assumes you don’t run into any issues, such as flooding or mold, that shorten the lifespan.

Sometimes you may be able to leave the bags with your regular trash. However, that’s not always the case. Call your local waste management prior to starting the removal and ask about the proper ways to recycle or dispose of removed insulation. In many cases, your town or municipality has a designated dumpster for building waste.

The Cedar Falls, IA homeowners’ guide to insulation services

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