Air changes per hour of AC spaces is the game changer for safety which comes at additional energy...

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Post 22- Air changes per hour of AC spaces is the game changer for safety which comes at additional energy cost and railways did that which is appreciated and tried to compensate slightly by raising set point to 25 deg C . Our takeaway- when you run your AC at home or Office try to keep more fresh air intake . Try to compensate that energy cost with solar energy . For information- Residences and small offices typically has one air change per hour as designed air change but to be safe increase it and to what level depends on various application factors which experts can advise as per your design layout . Pankaj Gupta