The Best Insulation Contractors in Grenville, SD

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

#1

K & S Construction & Insulation

4.8
(95 reviews)
Verified

A well-regarded, family-owned and operated business based in Aberdeen, specializing in a wide range of insulation and energy efficiency services. They are known for their personalized service, expertise in both residential and agricultural buildings, and deep knowledge of local climate challenges.

38150 129th St, Aberdeen, SD 57401 (This is their primary service location; they are a mobile service company serving a wide area.)

Specialties & Features

Spray foam insulation
Attic insulation installation and upgrade
Air sealing services

Business Information

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

A-1 Insulation Plus, LLC

4.7
(80 reviews)
Verified

A professional and highly-rated insulation contractor serving northeastern South Dakota. They emphasize quality workmanship, use of modern materials, and helping homeowners achieve maximum energy savings. They are particularly noted for their blown-in and batt insulation services.

1313 S Main St, Aberdeen, SD 57401 (Service area includes Grenville and Day County)

Specialties & Features

Blown-in insulation installation
Wall insulation services
Basement and crawl space insulation

Business Information

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

Dakota Insulation Inc.

4.6
(70 reviews)
Verified

A long-standing contractor with a strong reputation for reliability and comprehensive insulation solutions. They offer a full suite of services from audits to installation and removal. Their longevity in the market speaks to their consistent service quality and customer satisfaction.

38148 129th St, Aberdeen, SD 57401

Specialties & Features

Insulation removal and replacement
Energy efficiency audits
Blown-in cellulose insulation

Business Information

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

Why These Are the Top Insulation Contractors in Grenville

** The insulation market serving Grenville, South Dakota, is characterized by a small number of highly specialized regional contractors based primarily in Aberdeen, which acts as the commercial and service hub for a large portion of northeastern South Dakota. The competition level is moderate but professional; homeowners have several excellent options, but these are established businesses, not fly-by-night operators. The average quality of service is high, as these companies have built their reputations over decades by serving a widespread rural and small-town customer base. Typical pricing is competitive but can be influenced by the travel distance to locations like Grenville. Homeowners should expect to pay market rates for high-quality materials and professional installation. Due to South Dakota's harsh winters with significant heating demands, the focus on energy efficiency is high, and these providers are well-versed in local building codes. However, awareness and availability of specific state or utility rebates can vary, so it is recommended that homeowners directly inquire with contractors about any current energy efficiency incentive programs for which they may qualify.

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 Grenville regulations and climate

Frequently Asked Questions About Insulation in Grenville

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

1What is the best type of insulation for my home in Grenville, given our extreme seasonal temperatures?

For Grenville's climate, with hot summers and very cold winters, a combination approach is often best. We typically recommend air-sealing first, then installing high-R-value materials like spray foam in attics and rim joists for air barrier performance, and dense-packed cellulose or fiberglass batts in walls. The goal is to achieve at least R-49 in attics and R-13 to R-15 in walls to meet recommended levels for South Dakota's climate zone (Zone 6).

2When is the ideal time of year to schedule insulation work in Grenville?

While insulation can be installed year-round, the best times are late spring (May-June) and early fall (September-October). These periods typically offer milder weather, allowing for proper installation of materials like spray foam, which requires specific temperature ranges. Scheduling during these shoulder seasons also ensures your home is fully prepared before the intense winter cold sets in, and contractors' schedules are more flexible than in peak summer or deep winter.

3Are there any local rebates or incentives for upgrading insulation in Grenville, SD?

Yes, Grenville residents should first check with Dakota Energy Cooperative for potential rebates on energy-efficient upgrades. At the state level, South Dakota does not have a sales tax on labor for residential insulation installation, which provides savings. Additionally, the federal Residential Energy Efficiency Tax Credit (26 U.S.C. § 25C) allows you to claim 30% of project costs, up to $1,200 annually, for qualified insulation materials.

4How do I choose a reputable insulation contractor in the Grenville area?

Look for a licensed, insured contractor with specific experience in our region's climate. Ask for local references in Day County or nearby towns and verify they understand South Dakota's building codes. A reputable provider will offer a detailed, in-home assessment (not just a phone quote) and clearly explain the R-value, air-sealing, and moisture control strategies for your specific home type, whether it's an older farmhouse or a newer build.

5My older home feels drafty. Is adding more insulation to the attic enough, or are there other critical areas?

For Grenville's older homes, the attic is a priority, but it's rarely sufficient alone. Critical air leakage areas specific to our region include uninsulated rim joists (band joists) in the basement, gaps around windows and doors, and penetrations for plumbing and wiring. A professional energy audit with a blower door test is highly recommended to identify these leaks; sealing them before adding insulation is crucial for comfort and preventing ice dams on winter roofs.