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Chicago Humidity and AC Performance

Chicago's summer humidity affects how an AC performs. This guide explains the relationship between humidity and cooling.

Humidity and Cooling

An AC removes some humidity as it cools, but extreme humidity can overwhelm a properly sized system.

When a Dehumidifier Helps

If humidity stays high despite AC use, a whole-home dehumidifier can help. See our dehumidifier installation page.

Frequently Asked Questions

Yes. High humidity can reduce perceived cooling. See our dehumidifier installation page if humidity stays high.

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Submit a service request and a coordinator will contact you to confirm technician availability. We do not confirm an appointment until availability is verified.

What happens next: A coordinator reviews your request, confirms the service type and location, and contacts you to schedule.

For emergencies: Call (312) 555-HVAC or request emergency service. For a gas leak or carbon monoxide, leave the building and call your gas utility or 911 first.

Request HVAC Service

A coordinator contacts you to confirm availability. No appointment is confirmed until verified.

Prefer to call? (312) 555-HVAC

Request service

Submit a service request and a coordinator will contact you to confirm technician availability. We do not confirm an appointment until availability is verified.