Buyers must prioritize heating methods (Steam, Electric, or Gas) based on local utility costs. Key metrics include cylinder diameter (typically 300mm to 800mm) and ironing width, which determines the maximum size of linens processed. Ensure the machine features variable speed control (inverters) to match different fabric types and moisture evaporation rates to ensure linens are bone-dry after a single pass. For high-volume operations, look for multi-roller configurations to increase throughput speed.