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7 Years In Business

Company Details


4417 Jefferson Drive
Richton Park, IL 60471


  • Mon: 7:00 AM - 5:00 PM
  • Tue: 7:00 AM - 5:00 PM
  • Wed: 7:00 AM - 5:00 PM
  • Thu: 7:00 AM - 5:00 PM
  • Fri: 7:00 AM - 5:00 PM
  • Sat: 7:00 AM - 2:00 PM
  • Sun: Closed
View All Details & Credentials


Service Details

  • Residential Work
  • Commercial Work
  • Small Jobs Welcome

Areas of Expertise

  • AC Install
  • AC Repair
  • Heating - Repair
  • Heating - install
View All Offerings and Cities Served

Cost Information

  • Free Estimates
  • Warranty Offered
  • Credit Cards Accepted


36 Verified Reviews
  • 5
  • 4
  • 3
  • 2
  • 1

Highly rated for

  • Quality
  • Value
  • Customer Service
Showing 1-10 of 36 results
4.5 Beverly B. Dolton, IL

My technician was very polite, explained everything that was going on with my furnace and what needed to be done.Overall Mr Marvin was awesome if I had my own rating scale I would rate him a 10â­ ï¸ â­ ï¸ â­ ï¸ â­ ï¸ â­ ï¸

Response from Company:

Thank you. it was a pleasure work for you.

4.5 David B. Dolton, IL

Mr.Marvin responded immediately setup the date and time. Gave me an upfront diagnostic price which wasn’t expensive. Overall very professional nice gentleman

5.0 Tiffany P. Richton Park, IL

Fast and efficient work. Open and honest about the work perform. Reasonable and knowledgeable

Response from Company:


5.0 Kenoya T. Hazel Crest, IL

They did a great job and what I really like is they called the next week to make sure that Everything was still working fine

Response from Company:

Thank you For using us.

5.0 Sylvia B. Matteson, IL

Marvin is very professional and does a thorough job. His service is highly admired and respected.

5.0 Sylvia B. Matteson, IL

Marvin was very professional, on time and efficient. He reinstalled a wireless thermostat for me after the first professional (?) could not get it to work on both the air conditioner and furnace. It was a challenge for Marvin but he was tenacious and would not give up until the job was completed successfully. I'd call him back again. It's hard to find honest and professional technicians of any type these days. Once you find one you keep him/her around.

5.0 Francine M. Park Forest, IL

Prompt, explained problems and fixed them. Temperature presets maintain a comfortable home. Excellent service with bonus- no fan in ducts = no squirrels banging around making an Unholy racket and hideout removed.

5.0 Cesar K. University Park, IL

Very professional. Marvin has good knownledge of air conditioning system. Besides doing a good job, he is a good consultant. Following his recommendations will ensure you a well functioning system

5.0 Enoch K. Country Club Hills, IL

I will definitely hire Marvin again for HVAC service. Very professional and let me know about things to look out for before they become an issue.

5.0 Lydia W. Frankfort, IL

The AC specialist (Marvin) was professional, honest, timely, well knowledgeable, provided important feedback, and offered options.


NSB Service Tech
Heating & cooling

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