The Best Insulation Contractors in CSI, ID

Compare the highest-rated insulation professionals in CSI, Idaho. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Advanced Home Services

4.8
(240 reviews)
Verified

A leading full-service contractor in Eastern Idaho with a dedicated insulation division. They are highly regarded for comprehensive energy efficiency solutions, combining insulation installation with expert air sealing. Their strong reputation is built on professionalism, clear communication, and a focus on long-term home performance.

2455 E 17th St, Idaho Falls, ID 83404

Specialties & Features

Spray foam insulation
Attic insulation installation and upgrade
Energy efficiency audits

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Insulate Idaho

4.7
(180 reviews)
Verified

A specialized insulation company focused solely on insulation and air sealing services. They are praised for their expertise, attention to detail, and knowledge of modern insulation materials and techniques. They position themselves as experts in creating comfortable, energy-efficient homes and are often recommended for both new construction and retrofit projects.

Services the greater Idaho Falls area from a local base.

Specialties & Features

Blown-in insulation installation
Wall insulation services
Air sealing services

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Superior Insulation Inc.

4.6
(90 reviews)
Verified

A well-established, family-owned insulation contractor known for reliability and high-quality workmanship. They offer a wide range of insulation types and are frequently hired for insulation removal and replacement projects, as well as insulating hard-to-reach areas like crawl spaces and basements.

409 N Eastern Ave, Idaho Falls, ID 83402

Specialties & Features

Insulation removal and replacement
Basement and crawl space insulation
Blown-in cellulose insulation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in CSI

** The insulation market in the CSI (Idaho Falls) area is robust and competitive, driven by the region's cold winters and high heating demands. The average quality of service is high, with several established contractors possessing strong local reputations and specialized expertise. Homeowners are increasingly aware of energy efficiency, leading to a high demand for services like attic upgrades and air sealing. Competition is healthy, which generally benefits consumers through competitive pricing and a focus on customer service. Typical pricing is moderate and varies significantly based on the project scope and material. For example, blown-in attic insulation can range from $1,500 to $4,500+, while spray foam projects are a premium service often costing several thousand dollars. Most reputable providers are well-versed in local building codes and can advise on available utility rebates, particularly from Idaho Power, which offers incentives for certain energy efficiency upgrades.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with CSI regulations and climate

Frequently Asked Questions About Insulation in CSI

Get answers to common questions about insulation services in CSI, Idaho.

1What is the most cost-effective type of insulation for homes in the CSI area, considering our climate?

For our cold, high-desert climate with hot summers and freezing winters, blown-in cellulose or fiberglass in attics is often the most cost-effective initial upgrade. These materials provide excellent thermal resistance (R-value) and are ideal for retrofitting existing walls and attics. For new construction or major renovations, spray foam provides superior air sealing, which is critical for managing the temperature extremes and wind common in Southern Idaho.

2When is the best time of year to have insulation installed in my Magic Valley home?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is crucial for projects like attic work or exterior wall injections. Scheduling during these shoulder seasons also avoids the peak summer heat, which can be dangerous for installers in your attic, and the winter rush when homeowners are reacting to high heating bills.

3Are there any Idaho-specific rebates or incentives for upgrading my home's insulation?

Yes, Idaho Power offers significant cash rebates for adding insulation to attics, floors, and walls in existing homes within their service area, which includes most of the CSI region. These rebates are based on the square footage and R-value achieved. It's essential to use a participating contractor and have a pre-installation audit to qualify, making it a key question to ask any local provider.

4How do I choose a reputable insulation contractor in the Twin Falls/Burley area?

First, verify they are licensed, bonded, and insured to work in Idaho. Ask for local references, specifically for homes of similar age and style to yours in the Magic Valley. A reputable contractor should also be familiar with and able to facilitate the Idaho Power rebate process. Finally, ensure they provide a detailed, written estimate that includes the type of material, R-value, and scope of work.

5My house feels drafty. Will adding more attic insulation stop the cold air from coming in?

Adding insulation alone may not solve draftiness; air sealing is the critical first step. In our windy region, cold air infiltrates through gaps, cracks, and penetrations in your attic floor, walls, and around windows. A professional assessment should identify these leaks for sealing with caulk or foam before adding insulation. This two-step process is the most effective way to improve comfort and energy efficiency in Southern Idaho homes.