Compare the highest-rated insulation professionals in Merton, Wisconsin. All contractors are licensed, insured, and verified through our rigorous screening process.
A leading energy efficiency and insulation contractor serving Southeastern Wisconsin, including the Lake Country area. They are known for comprehensive home performance solutions, combining advanced insulation techniques with detailed energy audits and air sealing to maximize comfort and savings. Their focus on science-based solutions and data-driven results makes them a top choice.
This company is a specialist in blown-in and injection foam insulation, making them ideal for retrofitting existing walls and insulating difficult-to-reach spaces like attics and crawl spaces. They have an exceptional reputation for customer service and are a dedicated franchise of a larger, reputable foam insulation organization.
A well-established, local contractor with deep roots in the community. They offer a full suite of insulation services, from traditional fiberglass batts to modern spray foam, and are particularly skilled in attic insulation upgrades and insulation removal. Their longevity and strong local presence ensure familiarity with Merton's specific building styles and needs.
The insulation market in and around Merton, WI, is characterized by high-quality, specialized contractors rather than a high volume of competition. As part of Waukesha County's "Lake Country," homes in this area range from newer constructions to older, historic properties, creating a demand for both new installations and performance-upgrading retrofits. The market is mature, with several long-standing companies (like those listed) that have built strong reputations on expertise and service quality over many years. Typical pricing is competitive with regional averages, influenced by Wisconsin's harsh winters which make effective insulation a priority for homeowners. Factors like high energy costs and available Focus on Energy rebates drive demand for comprehensive energy audits and air sealing services alongside standard insulation work. Homeowners in Merton can expect to engage with professional, licensed, and insured contractors who are well-versed in local building codes and energy efficiency programs, though they may need to schedule services from providers based in neighboring hubs like Pewaukee or Sussex.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Merton regulations and climate
Get answers to common questions about insulation services in Merton, Wisconsin.
For most older homes in Merton, blown-in cellulose or fiberglass insulation in the attic is highly cost-effective. It provides excellent coverage for irregular spaces and significantly improves the R-value, which is crucial for our climate where the Department of Energy recommends attic insulation levels of R-49 to R-60. This upgrade often pays for itself through reduced heating bills, especially during our long, severe winters, and may qualify for local utility rebates from providers like We Energies.
The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather which is optimal for attic work and allows for proper ventilation during installation. Scheduling in these shoulder seasons also ensures your home is prepared before the peak heating season hits. Avoid deep winter installations if possible, as ice dams and extreme cold can complicate the process and reduce material effectiveness during application.
Yes, all insulation work must comply with the Wisconsin Uniform Dwelling Code (UDC) and any local amendments adopted by Merton or Waukesha County. These codes specify minimum R-value requirements for different parts of your home. A reputable local contractor will pull any necessary permits and ensure the installation meets these standards, which are designed for our specific climate zone. It's important to verify your contractor is familiar with these local requirements.
Look for a contractor with strong local references, proper Wisconsin licensing, and insurance. Ask if they are a certified installer for the products they use (like Owens Corning or CertainTeed). A trustworthy Merton-area contractor should offer a free, detailed assessment that includes a blower door test to identify air leaks—a critical step given our windy conditions—and provide a clear quote outlining R-values, square footage, and product specifications. Check their reviews and membership with the Wisconsin Builders Association.
In our climate, both are critical, but air sealing should often be addressed first, especially in older homes. Drafts from leaky attics, basements, and around windows undermine even the best insulation. A professional energy audit (which many local contractors offer) can identify these infiltration points. Sealing these gaps prevents warm, moist indoor air from escaping into the attic, which is a primary cause of ice dams—a common concern in Merton winters—and then adding insulation maximizes the overall thermal performance.