Air Conditioner

Latest Air Conditioner Technologies in India – Review 2019 : Bijli Bachao

The scorching summers have arrived and in case you are trying to purchase a brand new AC or need to maintain abreast with the newest improvement in the AC tech world you should undoubtedly learn this article. Air conditioner business has seen a big change over previous couple of years. Indian AC market has witnessed a healthy double-digit progress in the current years and if the analyst consider similar progress price would continue for few extra years to return. As soon as thought-about a luxurious, ACs at the moment are perceived as a vital equipment even in the middle and low-income families. Given tropical Indian climate with temperatures hovering as excessive as 50oC it is crucial to use a strong know-how and elements which would empower ACs to deliver comfort cooling through the peak summers. Why solely summers trendy state-of-the-art ACs are capable of delivering optimum climate control even during heavy downpours and bone-chilling winters. In this article we’ll steer via the technologies which is making all these potential.

Latest AC Technologies

Ubiquitous Sensor Network for Sensible Cooling

Developments in the sector of electronics, have made the usage of variegated sensors cinch for heavy electrical home equipment. A lot of the prime AC manufacturers use assorted mix of sensors and sensor technologies to impart sensible cooling. Hitachi makes use of revolutionary iSee know-how which comes in the brand new Hitachi fashions (e.g Kashikoi collection). These models include an clever image sensor know-how be sure that the users inside the room get an equal consideration for an equal cooling consolation whereas minimizing the wastage of cooling. The picture sensor detects number of individuals in the room, their location, their exercise and so on after which cools accordingly to ensure most cooling consolation. It additionally recognizes the form and measurement of the room after which regulates its swing angle with a particular sensible swing function in a bid to optimize cooling. One other essential function is it also acknowledges human absence in the room for a specified time and switches the AC off mechanically to keep away from cooling wastage. Taking cues from Hitachi, even the new Daikin ACs come with a sensible human sensor that detects human presence (and their rely) to optimally cool the room.

Equally, trendy Service ACs comes with a Comply with Me function whereby there’s a sensor positioned contained in the distant. When this function is enabled, important room sensor inside the indoor unit takes the back seat, and the specialised sensor inside the remote gets activated. Based mostly on the knowledge acquired from this remote sensor, the AC modify the ambient temperature. This sensor is capable of gathering temperature info even concerning the farthest elements of the room, after which passing the same to the primary unit, thereby making certain the optimum temperature all through the room. Following the footsteps of the overseas brands, Blue star ACs too include 5 totally different sensors to deliver what they name Precise Cooling Know-how (PCT). PCT mandates Blue Star ACs to regulate the temperature with the precision degree of 0.1oC.

App Management of ACs using the Smartphone

With the expansion of smartphone, flurry of apps, millennials need an app for every thing; even for controlling their AC. The AC producers have fulfilled this demand by creating a sensible devoted app to regulate the AC. Here too Hitachi leads the pack with WiFi Join know-how which moreover comes with WiFi Direct functionality. The consumer merely needs to obtain the dedicated Hitachi app and pair it with a router. As soon as the connection is established, the consumer can management and monitor their AC from any a part of the room. One of the best half is, even if router or WiFi community isn’t current, one can still connect the smartphone (even the tablet) with the AC utilizing WiFi Direct function.

Whirlpool ACs too come with app management function. One of the best half about Whirlpool app is that it additionally provides estimated power consumption based mostly on the usage. Also, app supplies a graphical representation of the usage, so customers have a better concept what number of models of power their AC is guzzling. Even when the AC don’t come with inbuilt app-based control, if your telephone has a IR blaster, virtually any AC could be controlled utilizing the smartphone with out the need to download manufacturer-specific devoted app.

4D Airflow with Wider Angle and Larger Fan

Typical ACs include 2-way (up and down) swing blade to disseminate cool air contained in the room. However a lot of the new ACs from brands like LG, Hitachi, Blue Star, Service and so on come with the 4D swing perform (up-down + right-left) which blows the cool air in a number of directions to make sure thorough cooling contained in the room. This 4D swing is designed with a motorized horizontal and vertical swing utility that ensures uniform cooling throughout the room by way of an omnidirectional air move mechanism.

The louvers of Blue Star ACs come with a wider angle to ensure the even distribution of cool air contained in the room without omitting the far-flung corners of the room. Equally, the louvres of the FTKP collection of Daikin ACs open upwards referred to as Coanda airflow. This means the chilly air wouldn’t immediately hit the individuals, something which customers will certainly discover helpful. The Coanda airflow supplies draftless, nice air-conditioning in the complete room. To compliment the 4D air swing new cut up ACs from LG comes with larger fan and physique which increases the airflow and spread it as much as 30 ft. Consequently, each nook of the room is almost as cool as the world in entrance of the AC blade.

Quick Cooling Technologies that Shortly Cools the Room

There’s lot of buzz around ‘fast-charging’ know-how in relation to smartphone, fast cooling know-how in the AC finds comparable reception amongst the HVAC lovers. Producers adopts numerous methods and designs to cool the room in a jiffy.

Impressed from the ambience in the Himalayas, new models from LG comes with Himalaya Cool know-how that replicate hill station feel of the Himalayas at the house itself. There is a dedicated button to allow this mode labeled as HCOOL on the remote. When enabled, AC would throw cool air at a super-high velocity for round 30 minutes, till the temperature of the room is introduced right down to a comfortably cool degree. With the Himalaya Cool know-how, LG ACs ship quicker cooling with out compromising on the power saving facet. Daikin comes with a Energy Chill mode with dual flap flattening to shortly cool the room within 20 minutes.

Whirlpool AC makes use of 3D Cool Extreme and twin fan compressor to deliver what they call Turbo Cool. The 3D Cool Excessive know-how makes use of three vents system—one at prime and two sideways to tug out the recent air at a quicker price. Premium Whirlpool models come with twin fan compressor which praise 3D Cool Extreme know-how and increase the performance of the AC so that it will possibly quickly cool the room even in the extreme temperature as high as 55oC.

Humidity Management using Auto Humid Control and Dry Mode

Summer time season makes the AC overwork and with the monsoon to comply with, bizarre ACs might fail to regulate the humidity or even end result in water leakage. In the course of the wet season, typical air conditioners not solely eat more power but in addition make the room uncomfortably cold. This may increasingly result in health illnesses like sneezing, widespread cold or even headache. A lot of the new AC fashions from reputed manufacturers like LG, Voltas, Blue Star, Service and so on comes with a dehumidification or dry mode to maintain the humidity beneath control.

Hitachi is one step forward of its competitor in this department. Aside from the dry mode, high-end models of Hitachi ACs include Auto Humid Control know-how wherein the temperature and humidity profile of over 100 cities is fed contained in the processor of ACs. Based mostly on the info it adjusts the air con and when it detects the excessive humidity the refrigerant cycle is expedited to extract humidity out of the room. Thus, with the help of dry/dehumidification mode, trendy ACs deliver dry, clean and recent air without any stickiness contained in the room. In humid areas, particularly across the vast coastline of India, this function in ACs is indispensable.

PM 2.5, PM 1 and Anti-VOC Filters

Filter is among the necessary battleground for the AC brands to innovate. Purpose being the rising degree of air impurity. Based on WHO (World Health Group) ranges of air air pollution have tremendously elevated in the creating economies particularly in India. These days, air air pollution has been linked to an increased in respiratory illnesses like lung most cancers. The danger on account of particulate sort air pollution is claimed to be comparable to what is seen with second-hand smoke publicity. So, air filtration turns into one of many essential facet of the AC and the producers hold coming with innovation and methods to regulate the rising levels of air impurity through the use of multi-layer filters.

Particulate matter, PM 2.5 include very nice particles present in the air which are of the dimensions two and a half microns in width (or even much less). Micron is unit of measurement at a microscopic scale with one-inch equating to 25,000 microns. Emission from automobiles alongside the burning of wood and oil are the first sources of PM 2.5 particulates. Trendy ACs from reputed brands like Whirlpool and Service comes with PM 2.5 filter to filter out PM 2.5 impurities from the room. But LG steps forward of Whirlpool and Service as they moreover supply PM 1 filters—filtration of particle of measurement 10,000 microns or less. Furthermore, 2018 onwards ACs from LG would come with a special Ocean Black Safety, tactfully utilized to both indoor & outside unit. This may empower ACs to ship optimum cooling in the tropical Indian climate heavily affected by sand, salt, industrial smoke & pollutants.

Risky Organic compounds (VOCs) are organic compounds that simply grow to be vapors or gases owing to their excessive vapor strain at room temperature. Typical sources of VOCs are burning of gasoline like gasoline, wooden, coal, natural fuel, and so forth. The residues from paints, glues, and solvents additionally add to the focus of VOC in the air. Many VOCs are hazardous as a result of when mixed with nitrogen oxides, they react with them forming ground-level ozone, or smog, which results in local weather change. Sure VOCs are notorious for impacting liver, kidney and nervous system. Midea ACs come with an anti-VOC filter for removing of risky natural compounds (VOC). Anti-VOC filter used in Midea cut up ACs eliminates poisonous VOCs like formaldehyde to make sure air is debarred of such impurities.

Blue Star takes a slightly eccentric route in relation to filtration. Premium Blue Star fashions comes with a chilly plasma know-how which generates a natural bioclimate in the AC. Being wealthy in lively constructive and damaging ions of hydrogen and oxygen they type ionic bonds with dangerous micro organism and different airborne agents like spores from the mould, finally to nullify them. These bonded particles progressively improve in measurement which makes it simpler to be trapped by the arrangement of seven formidable filters working in sync.

Auto Clear with iClean, Blow Clear and iCleanser

Filters are an essential element of ACs, and if ignored it might drastically scale back the cooling capacity. The truth is, in response to the research an AC which is run every day for 6 months with out cleansing and maintenance, it’s cooling capacity can diminish by up to 50%. Within the fast-paced world, we frequently overlook to wash and keep our AC at regular intervals. But off late AC manufacture have designed a solution for this pestering drawback. Aside from the standard strong air filtration and purification premium ACs from prime rated manufacturers like LG, Hitachi, Blue Star, Service comes with an auto clear performance whereby AC cleans its personal filter using numerous methods and strategies.

Hitachi ACs featuring iClean perform come with an progressive brush that moves on the chrome steel plated filter from one aspect to the other by sweeping the mud alongside the wing. A dedicated dust field is offered which collects the dust particles swept by the brush. This auto cleansing barely takes 5-7 minutes to complete. Once the cleaning is completed the brush strikes back to its preliminary place. Similarly, Blue Star ACs include Blow Clear mode, wherein the indoor blower runs for a few minutes after switching off the air conditioner. This assists in auto cleaning and helps to maintain the indoor coil dry, stopping accumulation of dust or mould.

In addition to the impeccable air filtration know-how, premium Service fashions come with iCleanser know-how which cleanses itself. Throughout this auto cleansing, first the indoor unit operates in a cooling mode at a lowered fan velocity, to facilitate removing of mud from evaporator fins. Then it switches to fan-only mode to blow away the wet air, disinfecting indoor unit. The primary USP of premium Service AC is that there’s a further cleaning and alternative notifier that alerts the consumer when there is a want for guide cleaning of the filter if the mud collected exceeds the ambit of iCleanser cleansing.

Copper Condenser and Anti-Corrosive Hydrophilic Blue Fin

To save lots of value and convey down the AC prices many AC producers most popular utilizing aluminum condenser in most of their models in the past. Aluminum condenser is cheaper than the copper condenser but are likely to get corroded quicker. Also, it’s very troublesome to repair an aluminum condenser and it principally needs an entire alternative; which suggests the repair fees can be pretty high. Lot of AC brands specifically the Indian ones like Voltas, Blue Star, Godrej have acquired lot of flakes for bringing most of their fashions with aluminum condensers. With the increased degree of shopper awareness, many customers solely choose to buy AC with copper condenser. So now brands are bringing increasingly models with copper condenser seeing the rise in the predilection for copper condenser. Japanese and Chinese language manufacturers like Hitachi, Daikin and Haier supply only copper condenser in their newest fashions.

Right here too Hitachi leads the remaining as all the things: copper tube condenser, evaporator & interconnecting pipes in the newer models are made 100% of copper. Additionally, high-end models like Toushi comes with inside grooved copper which helps in quick and optimum refrigeration stream. In terms of LG, they have reworked on its aluminum condenser in addition to bringing plethora of models with copper condenser. Improved model of aluminum condenser in the type of specialized aluminum alloy with lesser propensity for corrosion is getting used in newer fashions from LG.

With regards to heat exchanger, trendy AC models from reputed manufacturers like Voltas, Service, Daikin, Hitachi, Blue Star come with an anti-corrosive hydrophilic blue fin on the outside of the heat exchanger. Usage of anti-corrosive hydrophilic blue fin will increase the wettability of the heat exchanger and offers better safety from corrosion. This arrangement ensures speedy removing of condensate from the indoor unit. This, in turn, deters the breeding/formation of mould and bacteria which may impression the performance of the AC and purity of the transuded air. Individuals dwelling in the area with excessive humidity will find this addition very helpful to safeguard their AC from corrosive parts and to extend the AC’s life in common.

Dual Inverter Know-how with Acoustic Jacket

Digital Inverter know-how is arguably an important innovation, pushing the boundaries of air conditioner know-how. For decades, ACs had single-speed compressors that have been all the time either on or off. A compressor is an engine that powers the air-conditioning cycle, shifting refrigerant by way of the association of condenser, compressor, and evaporator. With a single-speed compressor, when the temperature contained in the room reaches above a certain temperature, the compressor abruptly switches on – a well-known noise for many who own an AC from the 20th century. But the idea of the inverter has utterly changed the dynamics of AC (and refrigeration) business.

So, what’s an inverter know-how? Nicely, to be actually simple, inverter know-how is analogous to the automotive accelerator. When compressor wants more power, it provides it more energy. When it wants less power, it provides less power. With this know-how, the compressor is all the time on however draws less energy or more energy depending on the temperature of the incoming air and the level set in the thermostat. The velocity and energy of the compressor is adjusted appropriately.

LG, Blue Star and Hitachi fares one of the best in terms of inverter know-how. That’s as a result of they have adopted twin inverter know-how compared to the peculiar single inverter know-how. 2018 collection of LG ACs are powered with revolutionary DualCool know-how. With an increased operating frequency range, this twin inverter compressor know-how provides LG an upper hand over its rivals in terms of cooling efficiency. Compared to the traditional inverter, dual inverter-based AC comes with a complicated BLDC motor with a wider vary of frequency serving to it to take care of the specified temperature with minimal fluctuations. Twin inverter ACs makes use of variable tonnage know-how. So ACs with DualCool know-how coming with 1.5 ton capability can differ the tonnage from as low zero.26 ton to as high as 1.71 ton in line with the ambient circumstances and the consumer requirement.

To counter DualCool know-how from LG, Hitachi’s ACs come with an expandable tropical inverter ACs makes use of Seamless Cascade Vector DC Inverter System. To enhance coefficient of efficiency in full load in addition to part load circumstances, Hitachi has also launched a new idea referred to as Twin Move Enlargement Know-how (DFET). All these additions in the Hitachi’s tropical inverter compressor optimizes peak performance to provide good cooling even in the acute temperatures of 52oC. Because of DFET know-how ACs makes greater than half of the AC sales for Hitachi—a share which is pretty high, compared to the standard 20-25%.

On an analogous strains Blue Star AC comes with dual rotor inverter compressor powered by BLDC motor. A complicated BLDC motor is used to impart excessive rotational velocity with minimal vibrations. Moreover, an acoustic jacket is provided with the compressor to mitigate the sound levels. Thus, this know-how results in quicker cooling, lowered vibration, low noise, and longer sturdiness of the compressor.

Safety from Voltage Fluctuations, Refrigerant Leakages, Corrosion and Hearth

There are various elements and phenomenon which can hamper the functioning of AC. For example: power cuts, refrigerant leaks, corrosive setting, brief circuit and so forth. Protecting AC from the scourges of such elements is important. Subsequently, AC corporations have labored in the world of security and protection to safeguard the ACs from any untoward accidents or mishaps.

Energy cuts and cargo shedding is commonplace in India, particularly in distant towns and villages. ACs being an enormous electrical equipment are most prone to vagaries of the provided electrical energy. Energy cuts usually poise the problem of a voltage fluctuation which may injury the air conditioner. ACs from premium manufacturers like Diakin, LG and Whirlpool are capable of tackling this drawback, because of their stabilizer-free operation performance.Premium Whirlpool ACs come with a sensible voltage compensation logic which works as a mini stabilizer, to ensure clean functioning of the AC in the range of 155V to 264V, while the Daikin cut up ACs can operate in the range of 160V to 264V without the stabilizer. LG leads the pack right here as it shield the AC over a much wider vary—145V to 290V.

Improper set up, manufacturing unit defect or external injury may cause refrigerant contained in the AC to leak out. Refrigerant like Freon are toxic and if deeply inhaled it will possibly minimize off the availability of oxygen to the cells and lungs. Newer Service fashions comes with a vigilant early warning system that detects such leakage instantly and turns off the AC. Simultaneously, it additionally shows the related error code on the display to apprise the customers concerning the leakage. LG however has developed the know-how which might detect refrigerant ranges and would notify the consumer if there’s have to refill the refrigerant.

Outside models of the Blue Star cut up ACs have been built protecting in thoughts the tough tropical Indian climate. They use galvanized steel in the construction of the metallic our bodies and are then further coated with polyester powder paint. This protects them from corrosion and will increase their life.

Management field of ACs are prone to fireside as a result of extreme stream of electrical energy or short-circuiting. Thus following the high safety and precautionary standards, trendy Whirlpool cut up ACs include a metallic shell with a fireproof case for the management field to avert any hearth mishap. On the similar strains Blue Star ACs include a metallic enclosure which covers the primary board—the PCB (printed circuit board) to stop overheating of digital/electrical elements.


Taking the benefit of the newest research and discoveries, trendy ACs come with the state-of-art applied sciences and elements to deliver consolation cooling. Japanese and Korean brands like Hitachi, Daikin and LG are the vanguard of AC technologies and have carried out away with obsolete and environmentally unfriendly applied sciences. Like LG have stopped producing non-inverter ACs, Daikin has ceased from using R22 refrigerant and Hitachi don’t use aluminum condenser.

Trendy ACs provide “air conditioning” in a true sense all yr spherical. Be it cooling throughout scorching summers, dehumidifying throughout heavy downpours or heating during bone-chilling winters, new 2-in-1 (Scorching & Chilly) ACs serves as a dependable companion throughout weathers. Excessive-end ACs come with sensible sensors which detects when somebody is actually in the room and adjusts mechanically to save lots of on power. 4D airflow in the ACs imparts uniform cooling with out being concentrated only in the line of air swing. Stabilizer-free operation and auto-restart shields the AC from vagaries of energy minimize and makes positive AC resumes with its operation smoothly after the facility minimize with out hampering the pre-set settings. Inverter know-how makes positive the ACs deliver the optimum cooling. With the dual rotary inverters, precision degree of zero.1oC is reached in the premium Blue Star ACs.

With the rising urbanization and technological innovation, air high quality is turning into one of the major concern, particularly in the large cities. Preserving this in mind established AC manufacturers arm their ACs with superior filters to wash the air from all kinds of pollutants, bacteria, viruses, mud particles, and foul odors using an impeccable association of multi-layer filters working in tandem. Lastly, for the tech-savvy users, premium models boast of app management function that provides them the freedom to manage AC simply by swiping the telephone.

Concerning the Writer:
Hussain Kanchwala is an Electronics Engineer from College of Mumbai. As an Analyst at BijliBachao he retains a tab on newest applied sciences in devices and home equipment, tracks businesses of white goods corporations and screens the buyer conduct. With a background in engineering, penchant for detail, and aptitude for writing he frequently write critiques about manufacturers and their products. Extra from this writer.