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Lennox AC and Heating Vendor in Decatur, AL

An American businessman and enterprising inventor, David Lennox began his long career in the HVAC industry in 1895, which is when he built the first riveted-steel furnace at his small furnace-manufacturing business in Marshalltown, Iowa. The success of this invention led to the development of the first residential perimeter-heating distribution system in 1950, and the company introduced packaged multi-zone units for heating and cooling in commercial buildings in 1965. Lennox also introduced the first solar-powered air conditioner in 1978, the first high-efficiency gas furnace in 1982 and the first solar-assisted heat pump in 2009. Today, Lennox International is a global corporation that specializes in top-of-the-line HVAC products for both residential and commercial properties.

Heating and Cooling Products

For over 120 years, Lennox has repeatedly proved itself as a leader in the HVAC industry, and your satisfaction is guaranteed whether you choose to have a new system installed or simply want a product that will enhance the performance of your current system. These are just a few of the quality HVAC products that are available from Lennox.

  • Furnaces
  • Air conditioners
  • Heat pumps
  • Solar-powered systems
  • Packaged units
  • Air handlers
  • Boilers
  • Garage heaters
  • Mini split systems
  • Thermostats
  • Humidity control
  • Air purification
  • Comfort systems
  • Ventilation

Get Your New Lennox System Today

Here at Southeastern Mechanical Services in Decatur, Alabama, we take great pride in being your local Lennox distributor. Give us a call at 256-686-3444, and our professional and friendly technicians will arrive as soon as possible to install your new system or service your existing system. We're always available to address any questions or concerns that you may have, and each customer is offered a completely free estimate.

"Demand The Best, Call SMS!"



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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
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Certified & Trusted

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



Licensed • Bonded • Insured