Thank you for choosing Kings Electric and air conditioning! This estimate includes: - diagnosing and investigating why AC is not working properly. NOTE: additional work will be an extra charge. Thank you for choosing Kings Electric and air conditioning! This estimate includes: - Running a new low voltage wire from air handler in apartment to roof top A/C unit. This is due to the outside unit not getting 24Volts. Line is compromised within conduit. NOTE: This is considering the conduit is not compromised inside wall.