Environmental Services
Protect Your Health & Your Investment with Environmental Testing from NPI Wisconsin
Proudly Providing Inspection Services for Waukesha, Milwaukee, Madison, Fond Du Lac, Appleton, Oshkosh, Green Bay, Wisconsin Dells, Racine, and Surrounding Areas
At National Property Inspections Wisconsin, we understand that a property’s true condition goes beyond what you can see. Environmental factors inside and around your home or commercial property can have a significant impact on your health, your comfort, and the value of your investment. That’s why we offer a full range of environmental testing services, giving you the information you need to create a safe, efficient, and healthy environment.
Whether you’re buying a home, selling a property, or simply want peace of mind, our environmental services provide critical insights that a standard inspection may not uncover. Explore our range of environmental services below.

Explore Our Environmental Services
National Property Inspections is Wisconsin’s most trusted source for environmental solutions designed to make sure your home is safe. Explore our service offerings below, and contact our team to book your service today.

Explore Radon Testing
Radon is an invisible, odorless gas that can seep into homes through the ground. Long-term exposure is the second leading cause of lung cancer. Our professional radon testing services accurately measure radon levels, helping you take action if elevated levels are detected.

Explore Mold Inspections & Testing
Mold can hide behind walls, ceilings, and flooring, contributing to allergies, respiratory issues, and property damage. We offer thorough mold inspections and laboratory testing to detect hidden mold problems and recommend remediation steps when necessary.

Explore Lead Testing
Homes or buildings built before 1978 may contain lead-based paint, posing serious health risks, especially to children. unlike other testing methods which require scratching of surfaces or taking chip samples of paint, our testing method is completely non-destructive.

Explore EMF Assessments
Electromagnetic fields (EMFs) are produced by electrical wiring, appliances, and nearby power lines. Health effects of EMF exposure may include fatigue, anxiety, headaches, sleep disruption, and more. Many home and property owners choose to measure EMF levels for peace of mind.

Explore Energy Audits
Energy efficiency starts with knowing where your home is losing air and wasting energy. Our blower door tests pinpoint areas of air leakage, helping you seal your home, improve HVAC efficiency, lower your energy bills, and create a more sustainable living space.

Explore Air Quality Testing
Indoor air can harbor pollutants such as allergens, volatile organic compounds (VOCs), carbon monoxide, and more. Our indoor air quality testing evaluates the air you breathe every day, identifying potential hazards and recommending ways to improve the health of your home.
Why Choose NPI Wisconsin for Environmental Testing?
Since 1996, National Property Inspections has been the premier provider of home inspections and commercial property inspections in Wisconsin. Here are just a few reasons you should choose NPI:
- Certified Experts. Our inspectors are fully certified and trained in advanced environmental testing protocols to deliver reliable, accurate results.
- Comprehensive Reporting. You’ll receive clear, detailed reports for every service, complete with findings, explanations, and recommended next steps.
- Fast Turnaround. We understand the urgency when it comes to property transactions and safety concerns. We deliver results promptly, often within 24–48 hours.
- One-Stop Solution. Whether you need a single test or a full suite of services, we coordinate everything efficiently, saving you time and providing complete peace of mind.
- Commitment to Health and Safety. Our mission is to help you create a home that is not only beautiful and functional but also safe, healthy, and energy-efficient for your family.
