Classroom unit ventilator design and application has progressed significantly in recent years. The under-the-window type of unit commonly used in schoolrooms for the past fifty years has several deficiencies well known to school designers and operators. The points shown below highlight the important advantages of the Temspec design.
 800 - 2,000 CFM
 2 - 5 tons
 Hot water
 Electric heat
 DX cooling
 Steam coils
 Barometric Relief
 Direct drive motor
 Air side economizer