Air Conditioning: 15 models with lower energy consumption according to Inmetro

THE summer is approaching fast and temperatures are already quite high In all regions of Brazil. The most effective way relieve heat continues to be intense together air conditioning useWhat can make your energy bill more expensive in the coming months.

But you know What features of an air conditioner contribute to more or less energy consumption?? So, read on to better understand how they work and What should you pay attention to when choosing an economical air conditioner?.

Economical air conditioner: how to choose the best ones?

As in others home appliancess, air conditioning is available a wide variety of models, resources, powers And prices. And there is something important that we need to clarify right away: The cheapest air conditioner will not always be the most economical in the long run.!

Thus, we will understand the main factors affecting energy consumption and the recommendations of experts. National Institute of Metrology, Quality and Technology (Inmetro):

Compressor reverse

THE inverter technology long available and proven in most air conditioners effective in reducing energy consumption. This is because in traditional air conditioning compressor on or offwhy is it happening power surges When the device needs to apply force to cool down again.

Alreadyinverter r-conditioning, compressor always onOnly Automatically increase or decrease force as needed of the environment. So according to him Entrance, save energy with inverter can reach up to 60% in some cases.

Additionally, according to the law Brazilian International Energy Initiative (IEI-Brazil)with air conditioning Inverter compressor can reach the desired temperature faster. Alright, refrigerant circulating in heat exchangers there is one greater pressure, reduces time required by up to 30% regarding traditional divisions.

So both initiative and Inmetro recommends users to always opt for an inverter device.

Cooling capacity in Btu

When we talk about air conditioningmetric used to measure the capacity of the device British Thermal Unit (Btu)or British Thermal Unit in Portuguese. It refers to the unit of heat. Measure required to change the temperature of an environment.

So how much? More capacity in Btus, faster the air conditioner will cool the room and the more energy consumption will be. Then, you must take into account the area of ​​the surroundings, how many people are walking around there and How many devices are there that produce heat? available. see someone example in the following scenarios:

• One double room related to 16 m²where will they sleep two people and there is a televisionmust have air conditioning 9,000 BTus.
• while one desk related to 35 m² with 5 people wandering, more 5 computers affiliated and others 5 electronic (minibar, TV, printer, etc.), you will need air conditioning. 30,000 BTus.

That’s why youA larger capacity air conditioner in the room will waste both capacity and energy.. In the office, although a 30,000 Btus air conditioner will use more energy, it will be more efficient and use less energy than purchasing three 9,000 Btus devices to cool the entire space.

15 models with lower energy consumption

Based on the last one File made available by InmetroWith data for December 2023, We choose models with the lowest energy consumption — using kWh/year — and these are reversed. To make things easier, we also separate For capacities of 9,000, 12,000 and 18,000 Btus, mostly used in homes. Take a look at this:

9,000 Btu

• HW R-32 Inverter Split Air Conditioner Daikin Ecoswing Smart GoldHot/Cold, 220V — 262.6 kWh/year: buy for R$ 3,489.00
• Split High Wall Air Conditioner Fujitsu PremiumHot/Cold, Inverter, 220V — 265 kWh/year: buy for R$ 3,495.05
• Split Inverter Air Conditioner Samsung Windless To connect High WallCold, 220V — 273 kWh/year: buy for R$ 2,969.10
• Split High Wall Air Conditioner Eco II Inverter Connection ElginCold only, 220V — 287 kWh/year
• split air conditioner Gree Inverter Wi-Fi G-TopHot/Cold, 220V — 294.57 kWh/year: buy for R$ 2,276.10

12,000 BTUs

• Split Hi Wall Inverter Air Conditioner Daikin Ecoswing Smart GoldHot and Cold, 220V — 350 kWh/year: buy for R$ 3,489.00
• Split Inverter Air Conditioner Fujitsu Airstage Premium High Wall, Hot/Cold, 220V — 353 kWh/year: buy for R$ 4,016.50
• Split Inverter Air Conditioner Samsung Windless Connection, Cold only, 220V — 355 kWh/year: buy for R$ 3,701.51
• Split Inverter Air Conditioner Springer Midea Xtreme Save Connect High Wall, Hot/Cold, 220V — 364 kWh/year: buy for R$ 2,825.31
• Air conditioning Split Gree Inverter G-TopHot/Cold, 220V — 379 kWh/year: buy for R$ 2,769.30

18,000

• Split Hi Wall Inverter Air Conditioner Hitachi Airhome 600Hot/Cold, 220v — 448 kWh/year: buy for R$ 3,783.14
• Split Inverter Air Conditioner Elgin Echo IIHot/Cold, 220V — 548 kWh/year: buy for R$ 3,299.00
• Split Inverter Air Conditioner Springer Midea Xtreme Save Connect High Wall, Hot/Cold, 220V — 566 kWh/year: buy for R$ 3,863.08
• Split Inverter Air Conditioner Fujitsu Airstage Premium High Wall, Hot/Cold, 220V — 571 kWh/year: buy for R$ 6,193.00
• Daikin Hi Wall Ecoswing Gold Inverter Split Air Conditioner, Hot/Cold, 220V — 573 kWh/year: buy for R$ 5,089.49

Now you know What to consider when choosing an air conditioner economic, How to choose Btus quantity for your environment and Which devices are more economical? According to Inmetro, just buy it and escape the heat!