Facilities. For Canada, the publication referenced is CSA-Z317.2: Special Requirements for Heating, Ventilation, and Air Conditioning(HVAC) in Health Care Facilities. Phoenix Controls... for the directional airflow needs of hospitals. Theris controls ventilation and airflow in critical spaces, including temperature control, humidity control, and sensors for complete room solutions..., and at competitive prices. Using Theris, HVAC maintenance of cross-flow sensors is eliminated, energy savings increases, and airborne infectious agents are better controlled throughout the facility...