Check for correct refrigerant charge level. Inspect the purge for air and water leaks. Establish a refrigeration efficiency-maintenance program. Accumulate work orders for repair of steam leaks that can't be fixed during the heating season due to system shutdown requirements. Tag each such leak with a durable tag with a good description.
Inspect steam traps regularly and repair malfunctioning traps promptly.
Establish a steam efficiency-maintenance program. Shut down steam jets that never shut down on batch units. Establish an vacuum system efficiency-maintenance program. Recycle water, especially if sewer costs are based on water consumption. Balance closed systems to minimize flows and reduce pump power requirements.