$15 for One Air Con Unit General Servicing by Li Fong Air Conditioning Services (Worth $35)

Before the invention of air conditioners, people slept on giant ice blocks with pillows made from ice shavings. Avoid turning bedrooms into makeshift swimming pools with today’s Groupon: for $15, you get one air con general servicing by Li Fong Air Conditioning Services (worth $35).

The crafty cleaners at Li Fong are trained to tweak and tune tarnished air conditioning units back to their former chilled out glory. Servicing includes cleaning and checking of air filters and indoor cooling coils, as well as vacuuming and flushing of drainage systems to evict dusty tenants. Compressor suction, discharge pressure, control wiring and condensing units are also thoroughly checked and fixed to prevent gory nightmares induced by excessive sweating in the middle of the night. If air-conditioning units need a quick nip and tuck in the form of gas top-ups or the replacement of outdated parts, Li Fong offers deal holders a 15% discount for the revamp.