BBB Accredited Business Profile

Controlling Systems Inc.

Controlling Systems Inc.

Controlling Systems Inc.

40 years in business
7000 Broadway Ste 1-106
Denver, CO 80221-2913
Additional Phone Numbers
  • (720) 651-8340
  • (303) 872-8965
Additional Email Addresses
BBB File Opened: 12/01/1983
Business Started: 10/01/1976
Business Started Locally: 10/01/1976
Business Incorporated: 03/24/1977 in CO
Type of Entity
Business Management
  • Mr. Bill East, President
Business Category
  • Heating & Air Conditioning
Products & Services
We service and repair all brands of equipment
Service Area
Methods of Payment
  • Cash, Check, Visa, Master Card, Discover, American Express, and multiple finance options available (w.a.c.)
Refund & Exchange Policy: 
Our goal is 100% customer satisfaction at any reasonable cost!
BBB accredited business



Controlling Systems is a locally owned Heating, Air Conditioning and Indoor Air Quality Company that specializes in residential and light commercial service, repair and installation.

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BBB Reason for Ratings

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

Licensing information is provided in the BBB Business Profiles to inform the public about industries that may require professional licensing, bonding, or registration. Better Business Bureau encourages you to check with the appropriate agency to be certain any requirements are currently being met.
BBB promotes truth in advertising by contacting advertisers whose claims conflict with the BBB Code of Advertising. These claims come to our attention from our internal review of advertising, consumer complaints and competitor challenges. BBB asks advertisers to substantiate their claims, change ads to make offers more clear to consumers, and remove misleading or deceptive statements.
BBB reports on known significant government actions involving the business's marketplace conduct.
BBB reports on a company that is out of business for three years from the date the company closes its doors or ceases to do business.
BBB reports on unauthorized use of the Better Business Bureau's name and/or logo for as long as the business continues to use it in any advertising, or for one year after the business ceases any repeated unauthorized uses.
BBB reports on a business’s bankruptcy as long as the business remains in bankruptcy.
BBB reports when mail sent to the business was returned by the Postal Service.

Controlling Systems Inc.

Controlling Systems Inc.


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