Air intake heater treatment and ventilation

A generator system comprising:

• a generator and engine positioned within an enclosure, wherein the engine has an engine coolant system and is configured to take in air from within the enclosure;
• a low temperature fluid circuit comprising:
• a heater core, the heater core positioned within the enclosure;
• a first coolant heater in fluid communication with the heater core;
• and
• a first pump, the first pump in fluid communication with the first coolant heater and configured to pump heated coolant from the coolant heater to the heater core;
• a fan positioned to force air through the heater core;
• a high temperature fluid circuit, the high temperature fluid circuit comprising:
• a radiator;
• a second coolant heater;
• and
• a second pump, the second pump in fluid communication with the second coolant heater and configured to pump heated coolant through the high temperature fluid circuit;
• and
• one or more bottom brackets, wherein the bottom brackets form a cradle configured to support the heater core while allowing movement of the heater core in three dimensions relative to the skid.