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(630) 809-2791

(630) 466-0667

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Call Today

(630) 809-2791

(630) 446-0667

We proudly serve the Fox Valley area including Sugar Grove IL, Yorkville IL, Aurora IL, Plano IL,  Sandwich IL, Montogomery IL , Oswego IL, Joliet IL Plainfield IL, Hinckley IL, Big Rock IL, Naperville IL, , Batavia IL, Geneva IL, St Charles IL, and  Newark IL.   

Heating and Cooling

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Whenever you are looking for quality and affordable service in the Fox Valley area, you can rely on MJ Mechanical to perform. From installation to same day repair, MJ Mechanical is here to help; 24 hours a day. With today’s rising energy prices we recognize the demand for energy efficiency, so we offer advice and installation of the latest in high efficiency equipment, both for commercial and residential applications.  Turn to us for the best in warranties, lowest operating costs, and best value in the industry.

1) We offer some of the strongest warranties in the industry on many pieces of equipment. You will have the peace of mind by knowing you’ll be covered for years to come.

2) Professional and courteous staff who are personable and respectful of both you and your home.

3) We bring with us over 20 years of servicing customers just like you.


4) We provide great service technicians and quality workmanship at an affordable price.

Examples of our quality workmanship
*Rebates are mail-in thru third party sources and can be canceled by them at any time.  See sales associate for complete details. Air Conditioning Humidifiers Filters Thermostats Filters Heating Humidifers $50 00
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