HomeX Logo

Sorry, the web browser you're using is not supported by this website.

Please use Google Chrome, Firefox, Safari, or another browser to access homex.com. Thank you.

How long does an air conditioner take to cool a room?

Most central air-conditioning systems need to cool down an average house, at four rooms of about 10 degrees Fahrenheit in three hours. This is highly subordinated to a number of factors, such as system age and outdoor temperature. In any case, the house needs to become considerably colder in a few hours.

RATE

icon/24x24/plus

SUBMIT AN ANSWER

Need help? Chat with us

HomeX. We Got This.

virtual icon

Try Remote Assist

For $50, our experts can diagnose issues and guide you through common fixes right over the phone.

Your money back if the issue is not fixed.

van icon

Want to know when our local techs make it to your area?