Bengaluru has a temperate climate with dry summers. Recently over the last two years, temperatures during summers have started to go high due to an increased amount of vehicular pollution. In the summers of Bengaluru, using air coolers in homes and workplaces increases the humidity levels that can lead to damage of your electronic equipment. So, going for ACs is the safest bet. But, ACs require maintenance regularly. If your AC is leaking or releasing foul smells, you need to get your AC fixed immediately by professionals.