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Buying guide for air conditioners

The Pakistani market is flooded with different brands of air conditioners (ACs), with their different aggressively priced models that can be distinguished primarily in terms of aesthetics, design, appearance, color, size, etc. According to our study, there are more than 2,000 models of air conditioners of different brands and capacities on the market (there are around 700 models only in the split AC category of 1.5 tons capacity). Who would say that buying an AC is as easy as any other!
Let’s start by understanding the different types of ACs that are available in Pakistan


Split AC: Split air conditioners consist of two parts – an indoor unit and an outdoor unit that work together to cool the room. Split ACs are usually faster in cooling, more energy efficient and quieter than window AC.
Window AC: Window AC is the simplest form of an air conditioning system and is mounted on windows or walls. The evaporator side is opposite the room for cooling the room and the condenser side outside for heat insulation.
Inverter Type AC: Inverter AC can vary the compressor speed. The compressor (mounted in the outdoor unit) does not have to switch on and off continuously, but instead accelerates only as required. By not stopping and starting several times a day, there is less stress on the compressor and less electricity is used, so that inverter models are generally more efficient and have fewer costs to run.



This is the basic question that you must answer before looking for a new AC for your household. A window AC, a split AC or an inverter type AC (variable speeds) what is required? Although window AC units are cheaper and easy to install, split AC units are quieter, aesthetically pleasing and offer better air distribution. Usually split ACs are also faster when cooling, more energy efficient and quieter than window ACs. Worldwide, window ACs have almost gone out of production, but in India they are still a good alternative for consumers.
In an AC inverter, the compressor (mounted in the outdoor unit) is driven by a variable speed drive or “inverter” that allows the compressor to operate at a range of speeds from slow to fast, to meet the required output. An inverter unit gradually increases its capacity based on the capacity required in the room to cool or heat up the room. This means that the compressor does not have to switch on and off continuously, but instead only goes faster or faster when needed. Because you do not have to stop and start several times a day, there is less stress on the compressor and less electricity is used. That is why inverter models are generally more efficient and cost less. They can maintain a set temperature within a narrow range. Most of the split systems on the market today are inverter models.
Most conventional compressors run at a constant speed and these types of units vary their capacity by switching on and off at different intervals. If you switch on this type of unit, it will start running at full load. This can cause more wear to the compressor and uses more power to start up each time. These models are not as efficient to use as the inverter models, but can be cheaper to buy.click here to know 1.5 Ton Inverter AC Price in Pakistan.


Do not buy the high season if you can; that will be summer in most parts of India, but it can also be mid-winter if you are in a colder region. If possible, look around before the peak season starts, so that your new unit is installed and ready for when you need it most. Alternatively, it may be worth buying just after the end of the season. Old stock can go on sale because retailers make room for new models. Although the latest models may be a bit more efficient or have new functions, a recently replaced model is for a bargain price
can be a good choice.



The idea is to choose an air conditioner that meets your need for maximum energy savings through the highest energy efficiency ratio, the best cooling performance and extensive after-sales service.
Capacity: the capacity of the air conditioner should be considered depending on the floor size of the room for which AC is required. A rough measure is that an area in the range of 120 – 140 square meters requires an AC with a capacity of 1 ton; for 150-180 square feet it will be 1.5 tons; and for 180-240 square feet it will be 2 tons.
Energy efficiency: air conditioners are supplied with star ratings for energy efficiency, implemented by the Bureau of Energy Efficiency (BEE). Each unit with more stars uses less electricity than a unit with a lower star rating. If the normal use of your alternating current is more than four hours a day, choose a higher star (4-5) alternating current, although a three-star alternating current can also serve your purpose. In general, three-star ACs are more popular, because energy saving in the mid-segment provides consumers with a large price advantage compared to a five-star AC. The Bureau of Energy Efficiency (BEE) has introduced a new star rating method called Indian Seasonal Energy Efficiency Ratio (ISEER) for air conditioners. This methodology takes into account variance at higher temperatures in India and assesses air conditioners accordingly. Consumers can now buy air conditioners with higher efficiency, which leads to lower electricity bills. Read more about ISEER Rating
Copper versus aluminum rolls: AC networks are now supplied with aluminum rolls (condenser rolls) where the costs are slightly lower but offer less lifespan / durability. It makes sense not to compromise on costs – always stand on copper coil ACs. They have a much longer lifespan and fewer leakage complaints.
Installation and Cartage: keep in mind when placing your order that any installation costs are usually included in the unit costs. Also insist on free home delivery when placing the order.

Click here: 1.5 Ton Inverter AC Price in Pakistan

What is inverter technology in air conditioners? And how to save electricity?

The inverter technology (or DC inverter) is the newest technological evolution with regard to the electric motor of compressors. An inverter is used to control the speed of the compressor motor, so that the temperature is continuously controlled. The DC converters have a variable frequency drive that includes an adjustable electric converter to control the speed of the electric motor, which means the compressor and the cooling / heating output. The inverter converts the incoming alternating current into direct current and then produces the current with the desired frequency via a modulation in an electric inverter. A microcontroller can measure any ambient temperature and adjust the speed of the compressor.

Click Here: Inverter AC price in Pakistan


The inverter technology eliminates wasted operation in air conditioners by efficiently controlling the engine speed. In AC inverters, the temperature is adjusted by changing the motor speed without switching the motor on and off. The engine speed in non-inverter ACs remains constant and the temperature is adjusted by turning the engine on and off, which consumes more energy.

Vote for consumers compared the energy efficiency of 20 AC models to know the best AC inverter.



Each air conditioner is designed for a maximum peak load – for example, an AC of 1.5 tons is designed for a certain room size, an AC of 1 ton for a different size, and so on. But not all rooms are the same size. A normal air conditioner with a capacity of 1.5 tons always works at peak power when the compressor is running. On the other hand, an air conditioner with inverter technology will work continuously, but will only use as much power as is needed to keep the temperature stable at the desired level. It automatically adjusts its capacity based on the needs of the room in which it is cooling, which means it uses much less power and uses fewer units of electricity.



There is no AC window with inverter technology.



Bureau of Energy Efficiency (BEE) has set a new star score standard for ACs with inverter technology. Most AC models of the inverter have a rating range of 3, 4 and 5 stars from BEE. The star ratings for energy labeling became mandatory for AC inverters in January 2018


10 tips to have the most energy efficient AC to lower your electricity bill

Electricity bills in the summer shot up due to the use of ACs or air conditioners. However, you can control this by implementing some best practices. The following tips will help you to have the most energy efficient ACs that in turn reduce electricity bills.

  • Do not install AC units on walls that are exposed to direct sunlight for much of the day during the summers. Read principles of AC installation. (Link to the article)
  • Reduce the energy consumption of the air conditioning by as much as 40 percent by shielding your house like windows and walls. Plant trees to keep the hottest sun out of your house.
  • Try switching off your AC at night and use the “sleep mode” that lowers the output of a timer.
  • Keep a reasonable temperature: 3 to 5 percent less energy is used for every air conditioner that is set above 25 degrees C to offer the most comfort at the lowest cost. If you keep ACs on (24-26 degrees C), you can save electricity.

On a hot day – say 43 degrees – you can be tempted to bring the air conditioner far down to 20 degrees C to get the room cool as quickly as possible. But if you can keep the temperature at 25 ° C, you not only save wear on the AC motor, but you also save a lot on your energy bill. Each degree cooler, or warmer in the winter, can add around 10 percent to operating costs. The same principle applies in the winter. If it is 10 degrees C outside, try setting the inside temperature to 18 degrees C instead of 25 degrees C. It also depends on the outside temperature. In general, you get a better efficiency by aiming for a maximum temperature difference of around 8 degrees C. So, on a day of 35 degrees C, set your indoor thermostat to 27 degrees C. Realistically, most people will still go for a cooler temperature. You can probably aim for a larger differential if your house is very thermally efficient (well insulated, double glazed, etc.).

  • With the help of ceiling fans you can set the temperature higher because the air movement will cool the room.
  • Clean the air conditioner filter every month. Clean filters ensure that the device can cool quickly and uses less energy.
  • Have your air conditioning checked if the Freon gas level is incorrect, you waste a lot of energy and your house will never be as cool as you want.
  • The openings around the windows and doors lead to energy loss.

Click Here: General AC in Pakistan