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Residential * Commercial * Industrial

Or Call 256-686-3444

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HVAC, Air Conditioning & Heating Install & Repair Services in Decatur AL & Beyond

Get comfortable, start controlling the climate in your residential, commercial or industrial spaces today.

Whether it's sweltering outside or 20-below, you should be comfortable in your environment with reliable HVAC products, installations, and repairs from SMS.

Southeastern Mechanical Services, LLC service areas include Decatur, Alabama and surrounding cities.

We are Licensed, Bonded and Insured.

Call us at 256-686-3444 or Contact Us Here for your free estimate.

Finding quality HVAC repairs has never been easier

Don't be left out in the cold, or heat, when your heating or AC system breaks down. And, don't get stuck replacing something that could just easily, and much more affordably, be fixed. If your HVAC or other heating/cooling system is acting up, call us first and have it fixed quickly and inexpensively.

Now, you can even work to prevent those annoying break-downs with our preventative maintenance services.

A.M.P. up your HVAC services with the new Advantage Maintenance Plan:

Sign up today and receive:

  • No overtime charges on service requests
  • 15% OFF on all repair parts
  • Priority service scheduling (over non-member service requests)
  • FREE 1-year membership when SMS upgrades covered equipment

Get FREE estimates on all your quality HVAC work:

Heating and Air Conditioning - Heating, air conditioning, furnaces, heat pumps, water heaters and much more...
Maintenance and Services - Repair and maintenance services for your heating and airconditioning.

FREE in-home/business consultations for all HVAC work and more.
Call today, 256-686-3444.

Business Hours

Contact Us Anytime
For a Free Estimate

Service Hours:
Monday-Friday: 7:30am to 5pm
Weekend: Closed

Our Office

  • Business Office:
    Southeastern Mechanical Services, LLC
    1102 B 4th Ave SE, Suite 8 B
    Decatur, Alabama 35603
    Service Facility:
    496 hwy 67 S
    Decatur, Alabama 35603
    Phone: 256-686-3444
    Google Map

Certified & Trusted

EPA Certified
Factory Trained and Authorized
Liebert certified
AL certification: 06219

Licensed • Bonded • Insured