Home Page >> Service Plans >> Commercial Service Plan Commercial Service Plan Planned Maintenance * Priority Emergency Service * Discount on All Repairs Planned Maintenance: Four maintenance calls each year - each call quarterly. Purpose: to inspect and to advise you of any needed repair. (No repairs are made without your approval); to prevent breakdown and maintain efficiency. Our inspections and checks include the following: wiring connections contactors volts-amps on compressors volts-amps on condenser fans volts-amps on evaporator fans change filters change belts crankcase heater volts-amps (heating) connections (heating) high limit & safeties staging heat exchanger, bonnet, all flue ways overall cleanliness of heating section condensate pan, drain & pump evaporator coil lubricate blower fans & motors lubricate shafts & bearings-condenser fans evaporator temp. differential condenser temp. differential oil level visual check for leaks condenser coil suction pressure cutout suction pressure & discharge pressure refrigeration charge, hi-low superheat draft fan for dirt & rust safeties * All contracts include an annual chemical cleaning of your evaporator & condensing coils. Priority Emergency Service: Should you have a breakdown, our own dispatched service technicians will respond to your call as a priority service call. We service our Commercial Service Policy customers first. Discount on Repairs: When you become a Swift Air Mechanical Commercial Service Policy holder you are entitled to a 15% discount on all parts and equipment installed while under contract.