Buying Guide

Recording all-time high temperature in summers has become a regular phenomenon in recent years since global warming is accelerating at an alarming rate. This has resulted in the increasing prevalence of air conditioners, making them more of an essential requirement than a luxury for every household. In case you plan to buy an AC, you must look for a cost-effective, energy-efficient, and environment-friendly air conditioner, so you and your loved ones live comfortably and breathe clean air.

Today, there are two types of air conditioners accessible in the market: non-inverter air conditioners and inverter air conditioners. Though both the air conditioners have similarities, their compressor technology is what separates them. Let’s have a thorough understanding of both the air conditioners:

Inverter Air Conditioner

The primary function of an inverter is to convert the frequency. Similarly, an inverter air conditioner changes its cooling capacity by adjusting the compressors’ power supply frequency. It operates at maximum capacity until the desired temperature is reached and then switches to part load to sustain the desired temperature.

Working of Inverter AC:

An inverter air conditioner is known to adjust the compressor’s speed to control the refrigerant’s flow rate, leading to less current and power consumption. The inverter features precise temperature control, and with the attainment of a set temperature, the unit’s capacity adjusts accordingly to prevent temperature fluctuations.

Advantages of Inverter AC:

Enhanced Cooling

When required, an inverter AC can run the compressor at a higher speed and provides instant cooling.

Low Noise

Inverter air conditioners function at a low speed, which is the primary reason behind the quiet noise operation of the inverter AC.

Low Power Consumption

An inverter AC automates cooling and heating so that it consumes less power, hence saving energy.

Powerful

As soon as an inverter air conditioner turns on, it operates at total capacity. As a consequence, the desired temperature is easily achieved.

Disadvantages of Inverter AC:

High Maintenance Cost

Since inverter air conditioners have more complex circuitry and a higher proportion of moving parts, their maintenance costs would be higher.

Inadequate Dehumidification

The degree of cooling achieved by an inverter AC varies depending on the heat input; it is insufficient for dehumidification if the set temperature is not extremely low.

Non-inverter air conditioners

Non-inverter air conditioners comprise traditional technology of air conditioners and are one of the most commonly available air conditioners in the market. A non-inverter air conditioner regulates the temperature simply by turning on and off as the specific temperature is achieved. Consequently, the machine is forced to work harder, resulting in a great deal of noise.

Advantages of Non-inverter air conditioners

Costs Less

These air conditioners cost significantly less than the inverter air conditioners are suggested over inverted conditioners since they are low priced.

Disadvantages of Non-inverter air conditioners

High power Consumption

Non-inverter air conditioners tend to have more power consumption because the compressor turns on and off frequently.

High noise level

The air conditioner works harder as an outcome of the constant turning on and off, resulting in a great deal of noise.

Inefficient Cooling

A non-inverter air conditioner cannot regulate the cooling level, so it does not provide instant cooling when required.

Inverter AC or Non-Inverter AC: Which one to Choose?

Both types of air conditioners have their advantages and limitations; we still recommend inverter air conditioners due to their benefits, namely low power consumption, less noise, and enhanced cooling. On the other hand, inverter air conditioners are more costly than non-inverter air conditioners due to higher installation and maintenance costs, but they are more reliable and have a longer life span. Choosing the type of air conditioner depends on your suitability and convenience, so choose wisely.

UNDERSTANDING ON POWER CONSUMPTION IN 1, 1.5, AND 2 TON ACs

Owing to the increasing temperatures in the wake of global warming and other climate changes issues, summers are getting more unbearable. Often, the households look out for the best resorts to protect themselves and keep up the internal environment ambient. What’s the best choice existing than an air conditioner, popularly called as AC?

When it comes to the ACs, the buyers are very conscious before making any investment. They would go for the models that not only function perfectly but also give moderate consumption on utility bills. In other terms, they look for options that impact power, and electricity consumption.

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Therefore, in today’s blog, we would be discussing in detail the power consumption in 1, 1.5, and 2-ton ACs. (More precisely, 1-ton inverter AC power Consumption per hour).

The factors affecting

Before entering into the calculations, it is important to understand the factors that affect the overall power consumption. Thus, refer to the list given below:

Size of the room : Room sizes define the volume of hot air that needs to be removed by the AC. Though different models have the same wattage and tonnage, they would not function the same way in different room sizes. The bigger the room size, the greater would be the electricity consumption to maintain the ambient conditions. Thus, a 1-ton AC of the same wattage would show different values in room sizes of 100 sq. ft and 200 sq. ft respectively.

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The number of people : Greater the number of people in the room, higher would be the sources emitting hot air. Therefore, the cooling effect would also vary, and power consumption would get affected accordingly.
Location of the household : The location of the household majorly defines the wattage or tonnage of AC fitting into the same. In areas of high temperature, power consumption highly depends on the temperature difference between the external and comfortable ones. But, in the case of humid areas, the major role is to remove the excessive moisture. This comes down to the size of the compressor and time of running the same (thus defines the role of tonnage).
Colors in the room : This is an under-rated factor and often ignored by the people. Basic science states that dark colors absorb heat and keep up the temperatures around them higher. Thus, a higher number of objects or surfaces with dark colors in the room is surely going to affect the AC’s capability in cooling up space.
Electrical appliances in the room : Even the other appliances within the room impact the overall capacity of an AC in cooling down the internals. All of these emit heat after some duration of continuous operation. For example, a greater number of lights in the room increase the cooling power of an AC.

Therefore, if you are very conscious of keeping up the utility bills under control, then learn to play with all of these factors. Just remove the assumption that buying a higher tonnage or BEE ratings of the AC model would sort out the problem automatically.

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Getting further technical

Along with these basic factors, you would also need to look out at the technical details offered by the appliances. Thus, to judge on the question of ‘how many watts consumed by 1-Ton AC’, look out for the parameters given below (source can either be the technical book given in the packaging or respective website of the manufacturer):

Cooling capacity- The cooling Capacity of an AC is defined by the amount of heat energy removed from any room and is given in the units of BTU/hour (British Thermal Units). The value given in it defines the amount of heat energy required to raise the temperature of 1 pound of water by 1 degree Fahrenheit.

For example, 1 Ton= 12000 BTU/hr, and 1 BTU= 1055 J. Therefore, cooling capacity= (12000*1055)/3600 J/s= 3516 W= 3.516 kW.

Therefore, cooling capacity is defined by the tonnage of the AC.

Energy Efficiency Ratio- Energy Efficiency Ratio, popularly called EER, defines the utilization of input power to cool down the room where the AC is set up. By formula,

EER= (Cooling Capacity)/ (Input Power)

Refer to the standard chart prepared by BEE on this parameter, and you would get the relation between star ratings and the EER values (both minimum and maximum).

Indian Seasonal Energy Efficiency Ratio- Keeping in mind the fluctuating temperature profiles, ISEER was defined for Indian Standards. It gives a clear picture of the adaptability of an AC to the differing outside conditions.

By formula, ISEER= Cooling capacity/ Annual power consumed

Based on this, the chart is created for showing up the values corresponding to any star rating. (With the assumption of 1600 hours of annual operation of the AC).

Looking up the product label

If you look at the product label, you are sure to find the values of annual power consumption, and can accordingly use the same to calculate the above values. Therefore, you would get an approximate value on the power consumption of your AC unit (consider inaccuracy of about 5-10%, owing to the different external temperatures).

Also, there is a good number of websites, that have an in-built calculator to aid in understanding the power consumption. Refer to any of these to save up some time on the manual calculations.

On an ending note, consider all of these factors properly to judge the true power consumption values of the AC unit that you are looking out for. Let us know of your concerns in the comments section.

Till then, happy reading, and stay safe with your loved ones.

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