Best Heating & Air Conditioning / HVAC In Mokena

“Coordinator Elisha was terrific: kept me informed of when technician would be here; Rich Lewis boiler tech was also tops: readjusted settings and cleaned burners - obviously knows his trade well. Reasonable charges. I can't say enough good. Definitely will call Maertin again - Love you guys“

“Both Jake and Ben were very professional and knowledgeable. They were timely in responding , diagnosing, and repairing my wall heater issue.“

“Josh is personable and professional.
Explained things very clearly. Offered advice re: mice a filter.
I really appreciate the bio that is sent re: the technician providing the service. It's nice to have as I congratulated him on his new baby daughter Brinn.?
Happy Holidays to everyone and Comfort Zone. Thank you for the years of excellent service.“

“Had Comfortmate service my Navien combi boiler last fall.Had my vents and AC serviced just recently. Very impressed with the service and the technicians. My heating and cooling systems are working like brand new.“

“There was big misunderstanding the first they came around. But after speaking with the owner he made it a mission to figure out what I really needed. He send out a tech with many years of experience and was able to help me with my issue. Afterwards the owner called me again to ensure I was satisfied with everything. I give the owner big props in helping me out even though Im sure he’s a very busy guy.“

“Air Source 1 installed our furnace a couple of years back and was great then, we have continued to use them yearly for maintenance and always find the service quick/easy and very affordable.“

“I have been a customer of C & J Heating and Cooling for over 20 years. Jimmy and Rich and Jeff are the most dependable, honest, knowledgeable HVAC guys you will ever come across. The work they and the crew do is the best. I would refer C & J to anyone without hesitation.“

“Great experience with Allegiance. The owners were out of town on vacation. They took our call without hesitation got a tech headed our way and got our house back heating within the hour in below 0 temps. Great company and great service. Highly recommend!!“

“Excellent company, they are always there for the client. I would suggest ACSI 10/10 times!“

“Sealed a customer tank for us. Did an amazing job super fast turn return and the tank came out great! Thanks again.“

“Jeff did a great job with servicing my furnace unit, he was thorough, informative and courteous.

I am very pleased with my Climate Master experience.“

“The sales person was very nice and very knowledgeable and very thorough explaining the product and process about the windows. The installers were very professional and fast.“

“Our technician, Jay, was very through, very informative, I highly recommend, very satisfied“