The Best Insulation Contractors in Waukesha, WI

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

#1

Energy Services of Wisconsin

4.8
(180 reviews)
Verified

A locally owned and operated company specializing in comprehensive home energy solutions. They are highly regarded for their expertise in energy audits, which they use to recommend and implement the most effective insulation and air sealing strategies. Their team is well-versed in local utility rebates and building codes.

207 W. Main St., Waukesha, WI 53186

Specialties & Features

Energy efficiency audits
Spray foam insulation
Air sealing services

Business Information

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

A+ Insulation

4.7
(250 reviews)
Verified

A leading regional insulation contractor serving Southeastern Wisconsin, including Waukesha. They have a strong reputation for professionalism and quality workmanship across a wide range of insulation services, from attics to crawl spaces. They are a certified installer for certain brands, ensuring quality materials.

N56 W16647 Ridgewood Dr, Menomonee Falls, WI 53051

Specialties & Features

Attic insulation installation and upgrade
Blown-in insulation
Basement and crawl space insulation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Homeseal Insulation Systems

4.6
(90 reviews)
Verified

A specialized contractor focused on creating tight building envelopes through advanced insulation and air sealing techniques. They are particularly known for their work with spray foam and their systematic approach to removing old, ineffective insulation and replacing it with high-performance solutions.

W226 N2940 Duplainville Rd, Waukesha, WI 53186

Specialties & Features

Spray foam insulation
Insulation removal and replacement
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Waukesha

The insulation market in Waukesha, WI, is competitive and characterized by a mix of long-standing local companies and regional players. The overall quality of providers is high, with several companies holding specialized certifications (e.g., from insulation manufacturers like Owens Corning or spray foam brands). Due to Wisconsin's climate, there is a strong emphasis on energy efficiency, and services like air sealing and attic insulation are in high demand. The market competition helps maintain reasonable pricing, but consumers should expect to pay a premium for specialized services like spray foam or full-home energy audits. Typical pricing can range from $1,500 - $4,500 for a standard attic blown-in insulation job, while spray foam projects can start at $2,500 and go much higher depending on the scope. Many providers are well-informed about Focus on Energy rebates and other local incentives, which can significantly offset the cost for homeowners.

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 Waukesha regulations and climate

Frequently Asked Questions About Insulation in Waukesha

Get answers to common questions about insulation services in Waukesha, Wisconsin.

1What is the best type of insulation for my attic in Waukesha's climate?

For our cold Wisconsin winters and humid summers, blown-in cellulose or fiberglass is often the best choice for attic floors in existing homes, as it effectively fills irregular spaces and provides a high R-value. The recommended attic insulation level for our climate zone (Zone 6) is R-49 to R-60. For new construction or major renovations, spray foam is an excellent air-sealing option but comes at a higher cost. A local professional can assess your specific home and ventilation needs.

2How much does attic insulation typically cost for a Waukesha home?

Costs vary based on home size, insulation type, and existing conditions, but for a standard 1,500 sq ft attic, adding blown-in insulation to reach R-49 typically ranges from $1,500 to $3,000. Spray foam is significantly more, often $3,500 to $7,000 for the same area. It's important to get multiple itemized quotes from local contractors, as pricing can be influenced by seasonal demand and accessibility. Remember, Wisconsin's Focus on Energy program often offers rebates that can offset 10-25% of the project cost.

3When is the best time of year to get insulation installed in Waukesha?

Late summer through early fall (August to October) is ideal, as it allows you to prepare your home for winter heating season and contractors' schedules are more open. While insulation can be installed year-round, winter installations can be complicated by ice dams, frozen equipment, and attic condensation issues. Spring can be busy with post-winter assessments, so scheduling ahead is key to securing a timely appointment before the cold returns.

4What should I look for when choosing an insulation contractor in Waukesha County?

Always verify the contractor is licensed and insured in Wisconsin. Look for a company with specific experience in our climate and ask for local references. A reputable provider should perform a thorough energy audit or assessment before quoting and be knowledgeable about Wisconsin's Uniform Dwelling Code (UDC) requirements and Focus on Energy rebates. Be wary of door-to-door sales or extreme low-ball quotes that may indicate subpar materials or workmanship.

5My house feels drafty and has ice dams. Can insulation help, and what else might be needed?

Yes, proper attic insulation and, crucially, air sealing are the primary defenses against drafts and the warm roof surfaces that cause Waukesha's notorious ice dams. The issue often stems from air leaks from the living space below (around light fixtures, plumbing stacks, etc.) melting snow. A comprehensive solution involves sealing these leaks first, then adding adequate insulation to keep heat in the living space. Proper attic ventilation is also a key component to managing moisture and roof temperature.