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Since our start in 2009, Insight has become a trusted source for home inspections and BPI based Home Performance Testing & Education in Naperville, IL and the Chicagoland area. We are a veteran owned small business, and we take pride in providing superior building consulting services to all of clients. Whether you are a first time home owner purchasing your new home, an investor, a new construction builder or a contractor, we will use our expertise to help make buying, remodeling, building, or selling your home a straight forward and smooth process. 

We use the principles of Building Science and "Home as a System" to provide home owners and contractors with the comprehensive knowledge needed to reduce home energy needs, increase comfort, maintain structural integrity & operations, and analyze utility costs. This approach is what sets us apart from other Home Inspections companies and Energy Auditors in the Naperville & the Chicagoland area. We hold ourselves to a higher standard of home inspections and home performance audits by maintaining credentials with the following organizations: American Society of Home Inspectors (ASHI), Building Performance Institute (BPI), Energy StarThe National Association of the Remodeling Industry (NARI),North American Technician Excellence (NATE), and Residential Energy Services Network(RESNET). We've maintained an A+ standing with the Better Business Bureau since 2011 by continuously providing our clients with honest, thorough and reliable building consulting services. 

Whether you are buying, selling, building, or remodeling, we offer a variety of services to assist our clients with their continued Building Consulting needs. From Home Inspections to Energy Audits, Air Quality Testing and more, our test are of the highest caliber to ensure continued care of your home, multi-unit, or commercial space. Based of Naperville, IL we service homes in Downers Grove, IL, Lisle, IL, Hinsdale, IL, La Grange, IL, Oak Brook, IL, Barrington, IL, North Barrington, IL, Glencoe, IL, Lake Forest, IL, Geneva, IL, St. Charles, IL, Batavia, IL, Aurora, IL, & the Chicagoland area. 

In addition to our services, upon completion of any Home Inspection or Home Performance Audit, our clients will now receive a free life-time account to HomeBinder - an online application that allows you to organize and store everything about your home all in one convenient location, right at your fingertips. This account will not only store your Inspection report but you will receive home maintenance reminders essential to every home owner. This will allow you to have contractors and plumbers information on hand, recall notifications on appliances, and more. You can even store those paint schemes you fell in love with. HomeBinder will help get your home ownership off to a great start, which is why we are giving this to our clients as a part of their Inspection report. You can learn more at

Insight Property Services was recently recognized by the Better Business Bureau with our Home Performance Audits, click here to read the article.


Joe Konopacki Isight Property Service, Inc.

Joe Konopacki 

President & CEO

Lead Technician

President NIC-ASHI

Building Performance Institute (BPI) Certified: Building Analyst & Envelope Professional, Multi-Family Building Analyst, RBE-WHALCI, HEP Energy Auditor & Quality Control Inspector

Residential Energy Systems Network RESNET Certified: Home Energy Rating Systems (HERS) Rater

Midwest Home Performance Association: Duct & Envelope Tightness (DET) Verifier
Illinois Licensed Home Inspector: #450.004227

Tom Janzack Insight Property Services, Inc.

Tom Janczak

Lead Technican 

Tom has over 10 years of experience performing Home, Commercial, and Residential Building Inspections. He has completed over 800 Home Inspections and over 100 Commercial Inspections. Tom's background also includes general construction and HVAC experience. 

Tom joined Insight Property Services in the summer of 2014 to offer Home Inspections and DET Testing.

Midwest Home Performance Association: Duct & Envelope Tightness (DET) Verifier 
Illinois Licensed Home Inspector: #450.002161

Dave Bauer Insight Property Services, Inc.

David Brauer

Lead Technican

Dave joined Insight in 2015. He has a Bachelors in Architecture. Dave has been a licensed commercial inspector since 2010. Recently he has expanded his focus into homes. He also runs his own company and is our resident mold expert.

Building Performance Institute (BPI) Certified: Building Analyst & Envelope Professional, RBE-WHALCI
Illinois Licensed Home Inspector: #450.010714

Zach Miller.jpg

Zach Miller



Illinois State University Graduate.

10+ Years of Roofing Instillation and Inspection

InterNachi Certified Home

Inspector program graduate.

Illinois Licensed Home Inspector.  

Eileen Konopacki | Vice President

Eileen Konopacki | Vice President

A 30-year military veteran with three combat deployments to Afghanistan and Iraq, Eileen is still serving as a Chief Warrant Officer Three in the Illinois Army National Guard. Her extensive experience as a Logistics Manager makes her a vital part of Insight Property Services as Vice President.

Anne Blaeske | Office Manager

Anne Blaeske | Office Manager

Anne has been the happy voice on Insight's phones since 2013. As the Office Manager, she schedules and confirms classes and inspections as well as knows where our inspectors are at any given moment. Anne is also a big part of the Lisle Community.

Social Media Coordinator | Desiree

Social Media Coordinator | Desiree

Desiree has been a part of the Insight Team since 2019. As the Social Media Coordinator she is in charge of making sure our online presence is known and followed. She is here to keep our clients, future clients and anyone interested in Energy Efficient Homes up to date on the latest home trends, any specials we may be having and classes available! Go ahead and follow us on Instagram @insightps

Marketing Director | Christina Colon

Marketing Director | Christina Colon

Insight signed Christina on as the Marketing Director in 2016. When she is not designing or coordinating our Professional Training Courses, you can find her participating in various community events with the Naperville Chamber of Commerce, Aurora Collective, the Batavia Chamber of Commerce, Batavia Main Street, DuPage Habitat for Humanity, PAVE, Illinois Green Alliance, & Passive House Institute.. or on a yoga mat in the forest, the possibilities are endless with this wanderlust.

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