Carrier window ac
No service after calling up call center for last 20 days

1st service call made to call center&&--reply... systems are down but request will be launched.

again called after 4 days &&--complaint no mum285 given with assurance of 48 hrs for serevice.

after 10 days now again i call they say sorry and ask for 1 more day. Assured by supervisor of call center

again 3 days and no response