Vossloh-Kiepe NexGen 1401 performing a heating test on January 9 2015.
As the AC-powered NexGens do not generate gobs of heat as their DC-powered predecessors did, the HVAC system has been designed to produce heat as well as cooling.
January 9 2015 was a cold day -- a perfect opportunity to get the bus cold by opening the doors, and measuring how long it took to get the interior temperature up.
rtm photo