Mechanical Services

Maclellan HVAC and Mechanical Services is a full service HVAC Company.  Our technicians are seasoned and dedicated.  All of our technicians are fully screened with background checks.

We are trained on all types and brands of equipment from small commercial rooftop units to large industrial chill water systems.   Our service department is on call 24 hours a day seven days a week.  We specialize in repair and replacement of existing heating and air conditioning equipment. 

The latest in intelligent HVAC technology has kept Maclellan in the lead as authorities in the HVAC industry.

Maclellan offers superior service with extensive experience in every aspect of the HVAC industry.

Contact us today to see what our HVAC  service can do for your business to ensure its smooth operation for years to come. 

MacLellan HVAC & Mechanical, Inc.


2538 Central Parkway, SW
Decatur, AL 35601
Phone: (256)686-4464
Fax: (256)686-4465


5314 W. 79th Street
Indianapolis, IN 46268
Phone: (317)876-0985
Fax: (317)876-2024

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