Preventative maintenance is a proactive approach to equipment maintenance that involves regular inspections, cleaning, and repairs to prevent equipment failure. In the case of stability chambers, incubators, and lab refrigerators, preventative maintenance is crucial to ensure that these critical pieces of equipment are functioning properly and maintaining the required temperature and humidity levels. Regular maintenance can help to extend the lifespan of the, reduce the risk of equipment failure, and ensure that the is operating within the required specifications. Facilities management knows that the most costly form of maintenance is run to failure. In addition to the cost of fixing the problem, the cost of downtime is significant. These costs can also explode when the failed components are not available, given today’s supply chain problems.