Long-haul truck drivers and fleet owners can now benefit from global supplier Webasto's combination of its popular Air Top 2000 forced-air heater and BlueCool Truck air conditioner. The two units, previously obtainable separately, are now available as a complete system (Webasto part number C5T010110A). C5 Truck allows users to cool and heat their truck sleeper bunks without depending on power from an idling diesel engine.