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Insight Property Services, Inc.

Workphone: 630-283-2248
Mobile: 630-528-3505

Naperville, IL 60563

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Tom Janczak

Insight Property Services provides Home Performance Testing, Home Inspections and contractor training throughout the Chicagoland area.
With a focus on energy efficiency we provide property owners and contractors with the comprehensive knowledge needed to reduce home energy needs, increase comfort, maintain structural integrity and operations while a analyzing utility costs.
We are committed to providing high value service for a fair price.
Visit our website to learn more.


IL# 450.002161 NACHI


Over 10 years of experience performing Home and Commercial & Residential building inspections. Completing over 800 Home Inspections and over 100 commercial inspections My background includes general construction and HVAC experience.


Tom is incredibly thorough, experienced and great with buyers
- J.D., February 2022
Tom Janczak was the best home inspector I've ever encountered. He was ultimately the most business mannered inspector my husband and I have ever done business with. Thank you Tom for your expertise. We would recommend you at anytime. Sincerely, Shirlene Smith-Lane
- S.S., September 2019
Thorough helpful and personable.
- S.F., June 2019
Very thorough and professional.
- M.P., March 2019
I recommend Tom all the time! He is very thorough and realistic with his Inspection and findings. He provides thoughtful comments and suggestions with issues and he is one of my recommendations to all new clients!
- L.J., July 2018
Thank you!
- R.W., April 2018
Tom did a great job! He was very professional and thorough. He explained concerns to us in detail, and answered all of our questions. We are confident in moving forward with our home purchase thanks to Tom's insight
- J.D., January 2018
Tom was very thorough and helpful. He was a complete professional throughout the process and his report was insightful and timely. I would recommend him highly.
- C.S., November 2017
Tom was very professional, thorough and very friendly. Tom was open to findings as I walked the house with him and very open and upfront with items he felt needed to be called out. He did a fantastic job on the inspection and his report was full of details and pictures. Though Tom himself was not recommended to me, Insight was, and they did an outstanding job. Thanks Tom and Insight Property Services!
- R.W., August 2017
Thanks Tom for conducting an in-depth, thorough inspection and providing a quality easy to understand inspection report. Jim Kosinski
- J.K., May 2017
Accompanying Tom was my mother (the buyer), her realtor, and a friend of the family's who is handy. They all said Tom is knowledgeable, thorough, professional, and an amiable person all in one. I wish anyone making the life-changing decision of buying a home could see the detail and expertise that goes into the final report. His input helped me gain the sense that this phase of my mother's life (and therefore mine) will be all good.
- H.S., April 2017
Tom is thorough, knowledgeable, professional, and such an amiable person as well. I wish everyone considering a house purchase could see the comprehensive report that Insight Property Services produces, and know the peace of mind his expertise will give you. Our realtor also thought very highly of him, and intends to use him in the future. His role will have a major impact on quality of life long after the house negotiations have passed.
- , April 2017
Absolutely, 110% I would recommend him. Tom was actually recommended to me. He's very knowledgeable, very professional. He never stopped moving while in the house for over 3 hours. I feel very confident in his inspection. Thanks Tom!
- L.F., April 2017
A thorough inspection. Tom is a very friendly person with a good sense of humor - a quality I appreciate. He explained and showed me everything.
- S.B., February 2017
Very professional. Provided extremely detailed report.
- A.S., January 2017
Tom, Thank you for your thorough analysis and report on the house. You were very patient and willing to answer any and all of my questions. Your report is very complete and has been very useful in helping us make a better and more informed decision.
- J.M., December 2016
Thank you for the thorough inspection. Tom answered every question i had and gave excellent advice to a few problems i had. He took his time inspecting all areas inside and out of the house and explained the major concerns at the end of the inspection. Very well informed and courteous.
- K.A., August 2016
Tom did a great job in doing the inspection. Very detailed with the report. Will definitely recommend Tom!
- C.S., May 2016
He did a great job and was very helpful talking to me on the phone about a couple of questions I had.
- E.W., May 2016
Besides his excellent professional work, Tom is kind and friendly.
- H.C., May 2016
Tom was knowledgeable, efficient, and professional. He was very thorough in his inspection and let us know not only what needed immediate remediation for safety concerns, as well as issues that may arise in the future. I highly recommend Tom and would use him in the future if needed, but would definitely recommend to family and friends in the future!
- C.S., May 2016
Tom was very professional, insightful, and thorough. We will highly recommend him!
- S.B., March 2016
Thank you, Tom, for making the inspection easy to understand for a first-time homebuyer, and for answering any and all questions I had, in addition to giving me helpful tips and advice on items I had no clue about. I really appreciate it!
- M.W., March 2016
Tom thanks for the extremely detailed inspection, gives me great comfort to see what I would have not been able to see.
- C.G., March 2016
Tom was very thorough in our home inspection! He noticed a few small, but important, things that normally would have gone unseen. We were very happy with the report and will definitely use Insight in the future.
- D.S., March 2016
Tom did an excellent job of explaining & educating me of the processes and well as a thorough inspection. I would highly recommend him to anyone that needed his services.
- A.D., January 2016
Incredibly knowledgeable and does a great job explaining issues in an understandable way! Will be recommending to everyone I know!
- M.S., December 2015
Tom was great! He arrived on time and went straight to work. He was very thorough in inspection. Our real estate lawyer reviewed the home inspection report and said it was a GREAT report. Thanks Tom! Highly recommend him and his team!
- C.T., September 2015
Great job, Tom! He really took his time going through the property carefully. He answered all our questions and then some! He was recommended by a friend and we now know why! We will recommend him to anyone! Thanks!
- C.B., July 2015
Tom was very professional and gave a thorough inspection! He took the time to answer all questions we had and pointed out items or issues that we would not have thought to look for in the home. His recommendations were invaluable! Thanks Tom for inspecting this property for us!
- E.N., July 2015
Really enjoyed working with you and was really happy with the thorough inspection. I appreciate all the detail you put into it and pictures as well. I also really appreciate the special attention to the roof and exterior since it is a top floor unit. I would definitely recommend you to anyone else looking and if I ever need an inspection again you would be the first call I make
- P.D., May 2015
Glenda Mayes Tom was professional, thorough and walked me through every aspect of the inspection. He left stone unturned. Excellent job.
- G.M., March 2015
Very in depth review. He showed up on time. Provided a lot of good information. Friendly and did not sugar coat anything. Provided ways to fix issues and report was delivered within 24hours of the review. Highly recommended!
- M.G., December 2014
Tom was very professionial, honest & detailed. He explained all of his findings and pointed out things that may be an issue.
- C.T., October 2014