Maintain your walk-in refrigeration system regardless as to whether it is a cooler or a freezer. Helpful tip: Remember to shut off your circuit breaker while cleaning your walk-in to avoid any accidents or injury! Clean the condensing coil twice a year Dirt and dust can build up on these components over time so it is important to regularly clean them, especially if your walk-in cooler is located outside. Use an industrial vacuum and wet cloth to clean these components safely