Reply To: Who's responsible for old window-fitted air con units › Flat Chat Strata Forum › New to strata – or just strata-curious › Who's responsible for old window-fitted air con units › Current Page 08/08/2019 at 2:29 pm #40301 AndyFlatchatter First step is to go through your by-laws as both your and the OCs obligations should be explained. Second step is to check legislation. Third step is to ask the strata manager or SC…which you seem to have done as permission has been granted.