Air Conditioner Maintenance in Japan: What to Check Before Winter
When I first moved to Japan, I thought of the wall-mounted air conditioner as something I would mainly use in summer. Then winter came, and I realized the same unit would also be doing the heating. That made me wonder what I was supposed to do after months of using the cooling mode. Should I clean everything before winter? Should I turn on the heating right away? Or is there something I should check first? The short answer is simple. You do not need to deep-clean your air conditioner every autumn. Once you are using the cooling mode less often, it is enough to clean the filter, make sure the unit can dry properly, clear the area around the outdoor unit, and test the heating before the weather gets cold . In Japan, autumn AC maintenance is less about “putting the air conditioner away” and more about getting the same machine ready for its next job. Start with the filter after a long Japanese summer After weeks or months of cooling and dehumidifying, the filter is the easiest place to sta...