MJ Mechanical
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MJ Mechanical
MJ Mechanical is here to provide you with quality and affordable HVAC repair and installation services in suburban Chicago provided by our experienced technicians, who work with the latest HVAC technology to serve our customers nothing short of great quality. We install and service all brands of commercial HVAC equipment, ensuring maximum efficiency in your business' energy costs.

I would recommend MJ Mechanical they were very helpful for giving me advice on what to do to fix my problem and not pushy to sell anything at all.
Services
We have been providing quality HVAC system work to the Fox Valley area since 1988. Our technicians with decades of experience install air conditioning and heating systems with custom sheet metal. We serve residential and commercial properties and strive to provide quality customer service. Matt has worked in the heating and cooling industry since 1988, working on a wide range of units.
At MJ Mechanical, we make sure your heating and air system is back up and running the first time. We work with the latest HVAC equipment; because old equipment can cost you as much as 30% in wasted energy, and now economizers are required by code.
Your old HVAC system could be raising your energy bill. With a new HVAC system from MJ Mechanical, you can take advantage of FREE 2nd opinion on install recommendations. We work with energySMART, a Nicor Gas program, to offer rebates and instant discounts for your energy efficiency projects that qualify for a rebate.
Reviews (7)
William Apostolos
William Apostolos
Jul 15, 2021
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My Go to guys. Good service and know what they are doing. Fair pricing and get the job done fast
Curtis Aull
Curtis Aull
May 12, 2020
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Didn't call back same day. Once came to the apartment the diagnosis was swift. Wanted to sell me a circuit board for $418 when they cost $145 online. Cannot compete because they are Union Labor. I will always ask a company if they are Union before asking them to come out because their fees cannot compete with good, local self employed techs. $99 just to show up at the door. Outrageous.
G. Foxx
G. Foxx
Oct 06, 2019
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I received a reference for MJ Mechanical from one of my neighbors who is familiar with Matt and Bob at MJ Mechanical.
Unfortunately, my furnace decided to go out duting the onset of a huge snowstorm last year. It was so bad that the gas company came and did a lockout/tagout on the furnace.
I called MJ Mechanical and Bob came right over and set us up with an installation appointment for the next day since it was already getting late in the day.
The weather was horrible...snowing heavily, freezing cold and miserable, but the whole crew worked away and got us all set up with a new system.
I can
Lyn Wildrose
Lyn Wildrose
Sep 17, 2019
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Wow! What a great job!
Adam and his assistant did an amazing job. They retro fitted the new AC, to our existing furnace. And, for running the new tubing above our floor joists. We are in the process of finishing our basement.
We will definitely use this company Again!
And, they wore booties to protect our wood floors❤️❤️
You guys are the Best!!
Leo Velazquez
Leo Velazquez
Sep 20, 2018
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I want to recommend MJ Mechanical Heating and cooling for their services. Contacted them on Sunday, due to an Air conditioning issue. Adam showed up on time, troubleshoot and identified the problem in a short period of time, gave me an explanation of costs up front and only replaced the parts that were necessary. He was awesome and highly recommend him and MJ Mechanical's team for their awesome work!, from a highly satisfied customer!
Barbara Mitchell
Barbara Mitchell
Sep 06, 2018
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Great Company to Deal with!! Love the Honesty & Integrity & Expertise the People of this Company bring to the table and work space, ie my home. A shout out to Drew Jackson, Thank you for your Service 🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸.
Samantha T.
Samantha T.
Apr 25, 2017
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Absolutely awesome service! I was having so many problems with my previous heating and cooling service provider, and MJ Mechanical solved all my problems. The technicians are knowledgeable, efficient, and friendly. Drew was able to tell me what was wrong with the unit in addition to showing me as well. It's great when you can see the problem and not just have to trust what someone is saying. They also took the time and effort to educate me on my unit's warranty. Great service great price!