Restaurants need to be serviced quarterly due to the high usage of hvac systems and grease in the air. Maintenance will greatly reduce energy costs and repairs. Grease traps need to be cleaned regularly, belts inspected and/or replaced, motors lubed, freon pressures regulated, filters replaced, coils washed and more. There are many variables to consider when it comes to maintaining a system and keeping it from breaking down. Customers need to be comfortable when it comes to restaurants profits.