aa constellation hours

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Business hours Open: Monday-Friday 8.30am-5pm, except Tuesday 9am-5pm, Saturday 9am-1pm, Sunday: Closed. Public holidays

What are constellation’s hours of Operation?

Our Live Chat feature is also available 8 am to 6 pm CST Monday through Friday. You can also contact Constellation through Facebook and Twitter. Our social media accounts are monitored from 9 am to 4 pm CST Monday through Friday. You can schedule a service for your A/C system, water heater and more by using our online sign-up form .

How do I schedule a service with Constellation?

You can schedule a service for your A/C system, water heater and more by using our online sign-up form . You’ll receive an email confirming your appointment, and a certified Constellation technician, electrician or plumber will arrive at the time and date you select.

How do I contact Constellation Energy?

You can also contact Constellation through Facebook and Twitter. Our social media accounts are monitored from 9 am to 4 pm CST Monday through Friday. As the nation’s leading competitive energy provider, Exelon believes our work is essential, and we are privileged to power our communities’ homes, businesses, and economies.

Residential Customers

We suggest using our online Live Chat feature to speak with a customer care representative, who will be happy to answer your questions and help resolve your issues as quickly as possible.

Business Customers

You can also contact Constellation through Facebook and Twitter. Our social media accounts are monitored from 9 am to 4 pm CST Monday through Friday.

Reporting an Ethics Concern

As the nation’s leading competitive energy provider, Exelon believes our work is essential, and we are privileged to power our communities’ homes, businesses, and economies. That’s why our ethics, integrity, and business conduct matter. Learn More