United Maintenance is here to meet your needs. If you have a question or comment about UMI services, preventative maintenance, design and installation, or any other issues, we would love to hear from you. If you require immediate service for your HVAC system, our technicians are available 24 hours a day to service your needs. Please reach out to us using the contact form on this page, or contact us using the appropriate information below.

Phone numbers

Office phone: 770-455-1656
Fax: 770-455-9502

24-Hour Service Line: 770-455-1656

Our technicians are on call 24 hours per day to meet your most urgent HVAC needs. If you require immediate service, call the number above. If you have an after-hours need, the number will page us and we will respond within 30 minutes.

Mailing and physical address

United Maintenance, Inc.
3687 McElroy Road
Atlanta, GA 30340-2239
For detailed directions to our offices, click here.