SA power concession for lymphoedema
https://www.sa.gov.au/__data/assets/pdf_file/0004/6817/F071-Medical-Heating-and-Cooling-Concession-Application-Form_A4-R1-web-06_17.pdf Thought may may interest some people in South Australia
Forum Discussion
Found the page @Romla - IIwas being lazy! Looks like you have to be diagnosed with significant effects to qualify. Hopefully, I won't ever qualify but good to know in case.