Emergency Service

We Provide Fast and Affordable Emergency Services

Call Us for an immediate response
(303) 762-1421

Preferred Client Club

Preferred Client Club: Service and Maintenance Agreements

We listened to our customers and have an innovative way to answer your needs!
We are giving you the control with our Preferred Client Club!

  • Basic Service Plan with minimal investment
  • Add-on menu so you can customize your choice of services
  • Lifetime Parts & Labor warranty on service repairs provided as long as a member
  • Unlimited diagnostic trips with repairs
  • No overtime charges
  • 10% discount on parts & labor
  • No trip Charge for Member
  • Renewing Package -$25.00 will be applied

Join Our Preferred Client Club Today!

  • *We can only service certain types of Evaporative Coolers on a case by case basis. Please call (303) 762-1421 for details in you are interested in an Evaporative Cooler Maintenance Plan.
  • (If Applicable)
  • (If Applicable)

Call Controlling Systems, Inc. in Denver Today!

Founded in 1976, we are a leading choice in the Denver metro area for HVAC repair. We strive to help our customers to reduce their energy costs and usage while increasing the level of comfort in their home or business. Whether you are looking for furnace and AC repair, or installation services, you can trust your system in the hands of our capable technicians.