Where do things stand in the never-boring world of refrigerant evolution? An industry veteran looks at life since the Montreal Protocol, a range of alternative refrigerants, and the political climate around the issue. For more than one reason, he writes, it is beneficial to keep up on the details and lead this refrigerant ‘charge.’
Why was one floor’s laboratory ventilation failing to keep up, when it was even the closest floor to the rooftop fans? Some system sleuthing led two engineers to a fitting conclusion. Read more stories in May Issue 2017.