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BBB Accredited Business since

AT Mechanical, LLC

Phone: (847) 671-7940 Fax: (847) 671-7946 2000 N Hawthorne Ave, Melrose Park, IL 60160

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AT Mechanical, LLC, is an air conditioner contractor which designs, plans, and installs both small and large-scale air conditioning systems for commercial customers, including retrofitting air conditioning systems for clients. Located in Franklin Park, IL, this company serves downtown Chicago and the surrounding areas, including Elmhurst, Berkeley, Stone Park, Northlake, Melrose Park, Maywood, Bellwood, Elmwood Park, Dunning, Norridge, Harwood Heights, Schiller Park, Bensenville, Villa Park, Lombard, Elk Grove Village, Rosemont, Glendale Heights, Glen Ellyn, Park Ridge, Niles, Des Plaines, Wood Dale, Norwood Park, Addison, Itasca, Hillside, Westchester, La Grange, Riverside, North Riverside, Berwyn, Forest Park, Oak Park, Oak Brook, Brookfield, Lyons, and Western Springs. The company has been in business since 2004 and has installed over $100 million of mechanical construction since their inception. The company is locally owned and operated.

This company installs air conditioning equipment for commercial customers, which includes planning and designing custom air conditioning systems for their customers as well as retrofitting, design and specifications, building solutions for difficult air conditioning problems, and installation. The company employs pipefitters, sheet metal workers, and service technicians to ensure that their workers can handle each aspect of the installation of air conditioning equipment rather than subcontracting aspects of the work. They provide emergency service 24 hours a day, seven days a week, and have LEED-certified engineers in-house to provide expertise on how to create an environmentally-friendly cooling system for a customer. AT Mechanical also provides preventative maintenance programs as well as emergency replacement of systems when necessary.

Visit the website for AT Mechanical, LLC, to learn more about their services, view their current projects, and contact the company to request services for commercial air conditioning installation.

BBB Accreditation

A BBB Accredited Business since

BBB has determined that AT Mechanical, LLC meets BBB accreditation standards, which include a commitment to make a good faith effort to resolve any consumer complaints. BBB Accredited Businesses pay a fee for accreditation review/monitoring and for support of BBB services to the public.

BBB accreditation does not mean that the business' products or services have been evaluated or endorsed by BBB, or that BBB has made a determination as to the business' product quality or competency in performing services.

Reason for Rating

BBB rating is based on 13 factors. Get the details about the factors considered.

Factors that raised the rating for AT Mechanical, LLC include:

  • Length of time business has been operating
  • No complaints filed with BBB

Customer Complaints Summary

0 complaints closed with BBB in last 3 years | 0 closed in last 12 months
Complaint Type Total Closed Complaints
Advertising/Sales Issues 0
Billing/Collection Issues 0
Delivery Issues 0
Guarantee/Warranty Issues 0
Problems with Product/Service 0
Total Closed Complaints 0

Customer Reviews Summary Read customer reviews

0 Customer Reviews on AT Mechanical, LLC
Customer Experience Total Customer Reviews
Positive Experience 0
Neutral Experience 0
Negative Experience 0
Total Customer Reviews 0

Additional Information

BBB file opened: February 04, 2011 Business started: 12/08/2004 Business started locally: 12/08/2004 Business incorporated 12/28/2004 in IL
Type of Entity

Limited Liability Company (LLC)

Business Management
Mr. Steven Garcia, Managing Member/Owner Mrs. Nicole Blaze, Office Manger Mr. Alex Tompsidis, President
Contact Information
Principal: Mr. Steven Garcia, Managing Member/Owner
Customer Contact: Mr. Alex Tompsidis, President
Number of Employees


Business Category

Air Conditioning Contractors & Systems Mechanical Contractors Pipe & Valve Fitters Air conditioning & Heating Contractors - Commercial Pipe Bending & Fabricating Sheet Metal Work Air Conditioning Repair Air Conditioning Systems - Cleaning Air Conditioning Supplies & Parts Plumbing, Heating, and Air-Conditioning Contractors (NAICS: 238220)

Alternate Business Names
AT Mechanical, LLC

BBB Customer Review Rating plus BBB Rating Overview

BBB Customer Reviews Rating represents the customers opinions of the business. The Customer Review Rating is based on the number of positive, neutral and negative customer reviews posted that are calculated to produce a score.

Customer Review Experience Value
Positive Review 5 points per review
Neutral Review 3 points per review
Negative Review 1 point per review

BBB letter grades represent the BBB's opinion of the business. The BBB grade is based on BBB file information about the business. In some cases, a business' grade may be lowered if the BBB does not have sufficient information about the business despite BBB requests for that information from the business.

BBB Letter Grade Scale

BBB Rating Value
A+ 5
A 4.66
A- 4.33
B+ 4
B 3.66
B- 3.33
C+ 3
C 2.66
C- 2.33
D+ 2
D 1.66
D- 1.33
F 1
NR -----
Star Rating scale

  Average Score
5 stars 5.00
4.5 stars 4.50-4.99
4 stars 4.00-4.49
3.5 stars 3.50-3.99
3 stars 3.00-3.49
2.5 stars 2.50-2.99
2 stars 2.00-2.49
1.5 stars 1.50-1.99
1 star 0-1.49

BBB Customer Review Rating plus BBB Rating is not a guarantee of a business' reliability or performance, and BBB recommends that consumers consider a business' BBB Rating and Customer Review Rating in addition to all other available information about the business. If the BBB Rating is NR then only Customer Reviews are used for the Star Rating.