Arrived on site to perform spring tune up on 2000 corsire system. Condenser located in back yard. Furnace and evaporator coil located in attic. client stated no issues from what he knows but did state he just moved in a year ago and what a to see how system is . Did attic inspection. found filter dirty and restricted. Replaced filter and advised he should replace filter more frequently. Checked electrical wiring, connections, circuit board, and components. Blower wheel is dirty and has layer of dirt and dust creating stress and mortar to over work. Motor is ok. Amp drawls on blower motor are above max amps on start up, runn amps is almost at max indicating system is over working. Evaporator coil is dirty and debris. Drain lines are dirty. Blew drain lines out with drain gun. No safety switch advised adding one to prevent attic flooding and creat water damage to ceiling due to the amount of dirt in system. Temperature split is in range 20 degrees. Cycled system in cooling to ensure s