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Do Old Air Conditioners Consume More Electricity?

Buying a new AC may save you more money in the long run

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Photography: Michael Angelo Chua (Main Photo)

With our year-round hot and humid weather, our air conditioners run most of the day (and in some instances, around-the-clock). While we appreciate the convenience and comfort, we don’t appreciate the high electrical bills.

What you may not know is that the age and type of air conditioner that you are using could be contributing to your high-energy consumption. So when is an old air conditioner too old?

According to this post on energystar.gov, air conditioners that are more than ten years old should ideally be replaced, as these models probably don’t have energy-saving features or inverters yet. The first inverter air conditioner was invented way back in 1981, but it is only in recent years that inverter technology has become commonplace in many household appliances.


Inverter technology works like a car accelerator: it controls the speed of the compressor motor and in turn decreases or increases power consumption in response to the cooling demand (i.e. at night or if there are less people in the room), regulating the temperature and thus making it more energy-efficient.

According to Ryan Mistades, product-training manager of Fujidenzo, the switch to inverter-type ACs can save you energy in the long run. “If your air conditioner is non-inverter, I’d highly suggest that you switch to inverter air conditioner. Because compared to the old type of air conditioners, they only use fixed heat. So regardless if there are more persons inside, or na-reach na ang tamang temperature, this old air conditioner consumes electricity at a fixed speed,” he explains. “Whereas the inverter air conditioners nowadays, they use variable speeds that adjust automatically to the need of the room.”

Not convinced yet? Read this guide for more air conditioner-shopping tips.

More on Realliving.com.ph

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