JMW Mechanical Heating & Cooling

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O'Fallon, O'fallon, Illinois, 62269

Phone number

(618) 208-4545


Home & Garden > Heating, Ventilation & Air Conditioning

JMW Mechanical Healing & Cooling is a licensed and insured HVAC Contractor with many years of experience offering basically any kind of residential and commercial HVAC related service. 1 year warranty, manufacturer guarantee! Got a question? Always feel free to give us a call!

affordable ac repair, local cooling repair, affordable hvac service, air conditioning service, air conditioning contractor
Belleville IL


Tommy J

After an accident in the living room the cabinet got broken beyond repair or so i toght. Not only were JMW Mechanical Heating Cooling able to fix it, they were fast and didn`t charge us much!

Daniel M

Thank you so much for doing such a wonderful job on our air conditioning unit. It works very well; we appreciate the great service, and good price. We will gladly give you referrals. Please thank your entire team.


JMW Mechanical Heating & Cooling are excellent technicians and they fixed our air conditioning quite professionally. They are easy to talk to and discuss the issue and how you want it handled, patient with questions. I enjoyed working with this company and I hope you will too.