To ensure a pain-free experience for clients, Design Air Systems utilizes a self-performing model covering 95% + all calls. We offer electronic dispatching and 24 hr./7 days a week communication with a DAS account specialists for all service calls.


Relationships consistently achieving customer satisfaction making DAS the relied upon source for our clients. DAS has written the maintenance and repair specifications that are required across the spectrum of all HVAC contractors, including service level agreements, pilot programs, and consultation that leads the industry in innovation.


Our Capital Expenditures division is self-performing, operating nationwide and offering turn key projects to clients. From the initial consultation and site survey to executing the final close out, DAS has established a nationally recognized reputation for the facility maintenance divisions of some of the top retailers in the nation.


DAS constantly anticipates the client’s every need and stays on top of the industry challenges and changes. DAS never loses sight of what issues matter most to the client. The ability to truly understand the markets for each customer and building a custom program to meet each of the individual service needs is what differentiates DAS as a leader. DAS has customers and developed solid clients as long term partners; some lasting as long as 20 years.

Design Air Systems specializes in service for National accounts. Our home office is north of Houston, TX. We provide nationwide air conditioning service for: The Home Depot, Office Depot, Floor & Decor and Wal-Mart, as well as many others.

Some of the services we provide to our existing national accounts are:

  • Preventative Maintenance
  • Work orders received and invoiced via email and website
  • Capital expense repairs vs Maintenance repairs
  • Budget forecast for maintenance budgeting
  • Spot coolers for computer and office areas during break down periods.

Our service technicians are factory trained for Novar® Energy Management Controls.

Contact us today, and let us know how we can assist you with your HVAC needs.