Proudly Serving Chicagoland


The dedicated team at Insight will ensure that the comfort, efficiency, safety & air quality of your home are taken into consideration. At Insight we are committed to offering high value for a fair price. Before starting home improvements, let us help you identify what you can do instead of what you could have done - saving you time, money and frustration.

Joe Konopacki

The owner of Insight Property Services. Joe has over 20 years of experience working in property construction, remodeling, maintenance, and management. After realizing the limitations of traditional home inspections, Joe began offering Home Performance Testing to ensure customer's remodeling projects are done right the first time.

Having earned his Bachelor of Science in Engineering from the University of Illinois, Joe became an Illinois licensed Home Inspector and BPI & RESNET certified. Joe then established Insight in 2009 to offer Home Performance Testing, Energy Audits, BPI Training and more. 

Joe is also a recognized presenter and has spoken to many groups both at local and national conferences on topics like: 

Uncontrolled Air Flow in Homes

Combustion Safety Testing

Attic & Crawlspace ventilation

Using Infrared with Home Inspections

Balancing Customers Wants and Needs

Adding 3D Rendering to Audit Reports

BPI's Building Science Principals Certificate 

He has also provided BPI training services for weatherization focused grant programs including: 

BPI's Residential Building Envelope - Whole House Air Leakage Control Installer (RBE-WHALCI) - for weatherization workers performing air sealing. BPI's Building Analyst (BA) - for inspectors' evaluating homes before and after weatherization work. He also provides the following training offerings. 

BPI Envelope Professional (EP) Certification

BPI Energy Auditor (EA)

BPI Quality Control Inspector (QCI) 

and soon BPI Healthy Home Evaluator (HHE). 

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

Eileen Konopacki

A 27-year military veteran with two 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. 

Dave Brauer

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

Tom Janczak

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


Bill Smith

Bill attended high school and college in Seattle, Washington and started working for a local roofing company to pay tuition. In 1966 Bill went to work for Costco Wholesale where he moved into management and relocated to the Illinois and Wisconsin areas. While working in management with Costco, his responsibilities included facility maintenance and he was integral part of opening multiple warehouses in the Midwest region. In 2015 he left the retail industry to pursue his interests and found a passion for Home Inspections. Bill attended the American Society of Home Inspectors School and went on to secure his state license. Bill has working with Insight Property Services since 2016. 


Anne Blaeske

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. 

Rachel Birkley

Rachel joined the team at Insight as a Marketing Assistant in 2014. 

Christina Colon

Insight signed Christina on as the Marketing Director in 2016.