Sales - Installation - Cleaning - Maintenance - Repair

Furnace - Air Conditining - Heat Pump - Boiler - Water Heaters

Gas Furnace
Air Conditiner
American Standard
Armstrong Air
American Standard
Armstrong Air

Air Duct Cleaning Services

Residential And Commercial

Over 20 years in the heating and cooling repair business!

We can proudly call our selves as one of the leaders in the heating, air conditioning, and refrigeration industry in the Chicago.

CSL Climate Control Company – Heating & A/C Contractor

Heating & Air Conditioning Repair, Replacement and Maintenance in Buffalo Grove, Lake Zurich & Chicago, IL


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Get a Free Estimate

Why Free Furnace Estimates Are Important? The lifespan of the average furnace is usually 15 to 20 years. Even if your old heating unit is operating properly, it is often a good idea to get a free furnace estimate just in case.
Get a Free Estimate ...

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Request Service

CSL Climate Control Co. has 24 hour emergency repair service, 365 days a year with NO additional charge for nights, weekends or holidays.
Request Service ...

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Our heating & air conditioning services



HumidifiersHumidifiers View Details

Air Conditioners
Air ConditionersView Details
BoilersBoilersView Details

Air Handlers
Air HandlersView Details
FurnaceFurnacesView Details

Hot water
Hot WaterView Details
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Latest Reviews

I couldn’t be happier with the CSL Climate Control Co. performance, price, and service. Everything was as expected. As a licensed home inspector, I know good work when I see it. And these guys did incredible work. Sebastian was wonderful to deal with as the owner, who came out and bid the job. Would strongly recommend.
Chad H., Naperville
Climate Control Co.
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