 Did you hear that Commercial Service is offering up the 72-month special financing on qualifying train heating and cooling systems? Commercial Service's train comfort specialists will help you choose the right system for your home. Their 72-month special financing is available for a limited time. So give Commercial Service a call today. Subject to credit approval. Call Commercial Service for details at 812-339-9114 or online at CommercialService.com. Commercial Service. Commercial-grade service for your home.