The purpose of an Air-Con is to keep the indoor air at a stable pleasant temperature.
The minimum requirement should be an inverter controlled unit.
- More efficient
- Quieter
- Longer lasting
- Better temperature control
Given that 50% of the population live in flats owned by (ruthless) landlords who will fit the cheapest piece of junk a good government would of nudged the minimum legal standards up so only inverter types were available in shops.