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TRUSTED BY HUMBOLDT, SD HOMEOWNERS

  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon11
    Verified insulation services reviews

Verified Reviews for Insulation Service pros in Humboldt, SD

*The Angi rating for Insulation Service companies in Humboldt, SD 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 Humboldt, SD 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 02, 2025

Find Insulation pros in Humboldt

Avatar for K&J Insulation
K&J Insulation
4.9(
20
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Humboldt, SD and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Professional job, time efficient and clean. I would recommend hiring K&J for all you're insulation needs."
Response time1 day
5 neighbors recently requested a quote
Recommended by100%of homeowners
Request Quote
Avatar for Koala Insulation of Sioux Falls
Koala Insulation of Sioux Falls
4.9(
23
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeSpray Foam Insulation - Install

Serving Humboldt, SD and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"They were able to work with our unique situation and got our attic insulated very quickly. They were super easy to work with!"
Insulation Projects
Spray Foam Insulation
Blown-In Insulation
Blown in fiberglass
Batt & Poly

+3

Response time1 day
Response rate91%
10 neighbors recently requested a quote
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Avatar for Halde Insulation and Siding, Inc.
Halde Insulation and Siding, Inc.
4.1(
16
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Humboldt, SD and surrounding areas

Approved

In business since 1913

Free estimates

Customers say: Quick response

"Easy to work with. Points out value of insulation."
Response time2 days
5 neighbors recently requested a quote
Recommended by100%of homeowners
Request Quote
Avatar for NuVision Spray Foam Insulation
NuVision Spray Foam Insulation
5.0(
11
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeSpray Foam Insulation - Install

Serving Humboldt, SD and surrounding areas

Approved

In business since 2011

Free estimates

Small jobs welcome

"They applied spray foam insulation in my attic space. I can now use this space for storage. The crew provided were very personable, they explained what the process works and how the project will go, and while on the job site they exhibited Professional behavior and worked cleanly. They took extra efforts to not track debris into my home."
Pole Shed
Spray Foam Insulation
Spray Foam Insulation
Spray Foam Insulation
Spray Foam Insulation

+6

Response time3 days
19 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for Rose Spray Foam
Rose Spray Foam
4.2(
15
)
Spray Foam Insulation - Install

Serving Humboldt, SD and surrounding areas

Approved

In business since 2023

Free estimates

Offers commercial services

"Good hard working young men with great personalities. Got job done quickly & efficiently and for a reasonable price."
Response time1 day
Response rate89%
8 neighbors recently requested a quote
Request Quote
Avatar for Knight Insulation
Knight Insulation
4.8(
25
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Humboldt, SD and surrounding areas

In business since 2006

Free estimates

Small jobs welcome

"Responsive, professional, high quality work, excellent customer service, we are very happy. Attic insulation upgrade was done very well"
OUR WORK
OUR WORK
OUR WORK
OUR WORK
OUR WORK

+7

Response time2 days
Recommended by100%of homeowners
Request Quote
Kj construction llc
4.7(
42
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Humboldt, SD and surrounding areas

In business since 2011

Free estimates

Emergency services offered

"I hired KJ Drywall to frame, insulate, and sheetrock/texture a basement bedroom. Kevin did a great job. He was very knowledgeable about what needed to be done. He worked very hard and completed the job in a good time. He seems pretty efficient. We had a plumbing issue during his work, and he had someone out to fix it within about 45 minutes. The repair was made in Avery professional manner. Long story short, this fellow and his help were very good to work with, very fair with the price, And Kevin seems like just a really good guy. Glad to have worked with him."
Response time1 day
Response rate88%
Recommended by97%of homeowners
Request Quote
Showing 1-10 of 23
Insulation questions, answered by experts

Although the cost might seem high, winterizing your home is important for your health and the structural integrity of your home. Winterizing will keep your home warm and toasty during the cold months and prolong the life of your appliances, windows, pipes, sprinkler system, pool, and more. 

On average, insulating an attic costs about $2,500, with a typical range of $1,500 to $3,500. The final price often depends on the attic's size, with costs generally falling between $1 to $3 per square foot. For example, insulating a 1,800-square-foot attic would likely cost between $1,800 and $5,400.

If the project involves removing old insulation, this can add an average of $900 to the total cost, bringing a full removal and reinsulation project to around $3,000.

Several factors influence the overall cost:

  • Insulation Type: Prices per square foot vary significantly by material.

  • Reflective: $0.50–$1.50

  • Blown-in: $1–$4

  • Batt: $2–$4

  • Loose-fill: $2–$5

  • Spray foam: $2–$5

  • Structural insulated panels (SIPs): $4–$7

  • Project Complexity: Factors like sealing air leaks, poor attic accessibility, and required inspections can add to the cost.

  • Removal Issues: The discovery of mold, asbestos, or pests during the removal of old insulation can substantially increase the price.

Yes, many professionals offer insulation options, such as insulated siding (including insulated metal siding), to improve your home's energy efficiency.

These two types of foams are similar chemically, but they are applied in a much different way and each has its own pros and cons. Spray foam can only be used if the area where you will be installing the installation is wide open and easy to access. Injection foam should be used where it's cost-prohibitive to remove the walls that are placed over the insulation. Spray foam is a much less expensive process and requires less expertise. 

Exposed ductwork can sweat just like ductwork placed behind walls, sometimes even more so. Ductwork sweats—like a cold drink on a hot day—because of a temperature imbalance between the air in the duct and the air in the room. In a crawl space or wall, this temperature can equalize faster due to the small space but in lofts and open rooms, that wouldn’t happen as quickly. Many people insulate their ducts for this reason.

The Humboldt, SD 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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