The Best Insulation Contractors in Spencer, SD

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

#1

A-1 Guaranteed Heating & Air Conditioning

4.8
(180 reviews)
Verified

A long-standing, family-owned HVAC and insulation specialist based in Sioux Falls. They are highly regarded for their comprehensive home performance services, combining insulation upgrades with expert air sealing and HVAC work to maximize energy efficiency. Their team is knowledgeable about local energy rebates.

421 N Kiwanis Ave, Sioux Falls, SD 57104

Specialties & Features

Attic insulation installation and upgrade
Spray foam insulation
Air sealing services

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#2

South Dakota Insulation Company

4.7
(90 reviews)
Verified

As the name implies, this company specializes exclusively in insulation services. They are a primary installer for certain national insulation brands and are well-versed in all application methods, including blown-in cellulose and spray foam for both residential and commercial properties.

2609 W 43rd St, Sioux Falls, SD 57105

Specialties & Features

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

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Weatherization Doctors

4.6
(70 reviews)
Verified

This provider focuses heavily on the science of building performance and energy efficiency. They offer detailed energy audits to diagnose a home's specific needs before proposing solutions. Their expertise is particularly strong in older homes requiring air sealing and insulation upgrades to meet modern efficiency standards.

2312 S Shirley Ave, Sioux Falls, SD 57106

Specialties & Features

Energy efficiency audits
Wall insulation services
Insulation removal and replacement

Business Information

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

Why These Are the Top Insulation Contractors in Spencer

** The insulation market for a resident of Spencer, South Dakota, is characterized by a reliance on regional contractors from larger cities, primarily Sioux Falls, which is approximately a 45-minute drive away. Due to the rural nature of the area and the harsh continental climate with cold winters and hot summers, demand for quality insulation is high, but local competition within Spencer is non-existent. The **average quality** of available service is high, as the contractors serving this region are established businesses that must adhere to state licensing and building codes. The **level of competition** is moderate at the regional level, which benefits consumers through competitive pricing and a focus on customer service to secure jobs that may involve travel. **Typical pricing** is influenced by the travel distance from the contractor's base. Homeowners should expect to pay a premium for this service area travel, on top of standard project costs. As a rough guide: * **Attic Blown-In Cellulose:** $1,500 - $2,800 * **Wall Spray Foam:** $2,000 - $4,500+ * **Whole-House Air Sealing:** $800 - $2,500 It is highly recommended that Spencer residents obtain multiple quotes and inquire specifically about trip charges or minimum project fees to service their location. All three providers listed above have proven track records of serving rural communities throughout southeastern South Dakota.

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 Spencer regulations and climate

Frequently Asked Questions About Insulation in Spencer

Get answers to common questions about insulation services in Spencer, South Dakota.

1What is the most important type of insulation for my home in Spencer given our local climate?

For Spencer's harsh, windy winters and hot summers, a tight, well-sealed building envelope is critical. We prioritize air sealing and attic insulation, as heat loss through the ceiling is a major issue. Blown-in cellulose or fiberglass in attics to achieve at least R-49 and spray foam in rim joists are highly effective for our climate to combat both extreme cold and summer heat gain.

2How does the timing of insulation work in Spencer, and is there a best season for it?

While insulation can be installed year-round, the ideal times are late spring (May-June) and early fall (September-October). These periods typically offer milder weather, allowing for proper ventilation during installation and ensuring your home is prepared before the intense winter cold sets in. Scheduling during these shoulder seasons also helps you avoid the peak summer and winter demand for local contractors.

3Are there any local rebates or incentives for insulation upgrades in Spencer, South Dakota?

Yes, Spencer residents should first check with Sioux Valley Energy, the local electric cooperative, for potential rebates on energy-efficient upgrades like adding insulation. Additionally, South Dakota has a state sales tax exemption for certain energy conservation products and installations, which can provide direct savings on your project materials and labor.

4What should I look for when choosing a local Spencer or McCook County insulation contractor?

Choose a licensed and insured contractor with proven experience in our specific climate. Ask for local references in Spencer or nearby towns like Salem, and ensure they perform a thorough energy audit or assessment before quoting. A reputable provider will understand local building codes, the challenges of insulating older farmhouses or rural homes, and the importance of proper ventilation to prevent moisture issues common in our region.

5My house is drafty and expensive to heat. Will adding insulation to my walls really make a difference in our South Dakota winters?

Absolutely. For older homes in Spencer, wall insulation is often one of the most impactful upgrades. Uninsulated walls are a major source of heat loss during our long, sub-freezing winters. Injecting dense-pack cellulose or fiberglass into wall cavities can dramatically reduce drafts, improve comfort, and lower heating bills. It's a key step, often done in conjunction with attic and air sealing work, to create a comprehensive thermal barrier.