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  • Technology Based
  • Feature Based
  • Smart Wi-Fi ACs
  • Heavy Duty ACs
  • Hot & Cold ACs
  • Anti-Virus ACs
  • Super Energy Efficient ACs
  • Portable vs Split AC

Should one buy a Split AC or a Window AC?

A room air conditioner is ideal for rooms up to 200 sq. ft. where one of the walls is exposed to the outside. In case of budget and space consTonaints, one could go for a window AC. Though window ACs are cheaper and easy to install, split ACs are quieter in operation, more aesthetically appealing and have better air disTonibution. If there are no exposed walls, a split AC is the only option for purchase. split ACs have two units - a compressor unit outside and an indoor unit inside. Since the compressor is kept outside, noise levels are lower in a split air conditioner as compared to the window air conditioner. However, installing split ACs may require some renovation work, which implies a monetary investment.

What is the right AC tonnage for my room?

To know the right tonnage of AC to buy, one needs to do a heat load calculation of the room to be air-conditioned. Very often, a thumb rule of 100 sq. ft. = 1 Ton is applied to calculate the room AC tonnage. However, this method may not always be accurate. The size of the windows, location of the walls (west or east facing), floor, number of people expected to occupy the room, other gadgets in the room and lighting, amongst others, all play a role in calculating the right tonnage for the room. It is recommended to request a technician to visit the room and allow him to do a heat load calculation. Identifying the right AC tonnage is a critical step, since buying an undersized Air Conditioner may provide inadequate cooling with perhaps the compressor never cutting off, and buying an oversized one may result in high power bills.

What is an Inverter AC?

Fixed Speed Window and standard Split Air Conditioners have a compressor that runs at a fixed speed. The compressor is therefore either on or off depending on the set temperature. The inverter AC thinks and adjusts according to your needs. The compressor has a variable speed and changes its frequency according to the ambient load. As the frequency changes, the speed of the compressor also changes. This eliminates any temperature fluctuations and helps maintain a comfortable temperature. For example, a 1.5 Ton inverter AC can decrease its capacity to 1 Ton or increase its capacity to 1.75 Ton, as per the requirement. As there is no cut-in and cut-off, the inverter AC saves up to 30% more power.

What are some other useful points to keep in mind while purchasing an AC?

One should look out for various types of filters available in an AC, such as an anti-microbial filter and a PM2.5 catching filter which traps dust particles, and mites as well as eliminates bacteria and viruses. Thus, the air inhaled is pure and healthy. Most air conditioning units also have a dehumidifier, which reduces humidity in the air, making it cooler and more comfortable. Also, one should check the noise level of the model, which usually ranges from 30-60 decibels. The sleep mode of an AC is an intelligent feature as it creates less noise and automatically adjusts the temperature during the night so that it is comfortable throughout. An auto restart facility to help restore the original setting after a power break. Having a timer in the AC enables the users to turn it on or off on schedule. A feature called β€˜iFeel’ helps in maintaining the set temperature around the person rather than the air conditioner. A sensor on the remote signals the thermostat in the unit, which adjusts the cooling accordingly, making it more comfortable.

Why does a higher star AC cost more? How to calculate the payback period?

High energy efficiency design involves increased components in the heat exchange area due to which input costs increase. Hence, a higher star AC, such as a 5 star AC, costs more than a 2 star one. To make an informed choice related to energy and monetary benefits in an AC, one needs to calculate the energy and corresponding monetary savings. Payback period in years = incremental higher price/energy saving in a year over a lower star AC. Buying a 5 Star AC is a good decision in the long term, especially given the fact that consumers nowadays use their ACs for much longer periods and the power tariff is likely to increase over the years.

Can I use perfumes with my AC?

While perfumes do create a good atmosphere, they should be used cautiously as some people can be allergic to them. The best way to keep the foul smell out is to open windows and use fans to bring in a lot of fresh air before the AC is switched on. Keeping the AC room clean is also equally important.

What is the ideal location for installing a Window AC?

The window AC should be installed at a height of 5 feet behind the user. The air draft from the AC should not hit the user directly.

Does one need a 3-phase electricity supply to install an AC in the house?

Window ACs and split ACs of lower tonnage work on a single phase. However, it is better to have a 3-phase supply and distribute the other loads like geysers, washing machines, pumps and lights in the other 2 phases.

Do I have to necessarily buy a voltage stabiliser when I buy an AC?

The compressor, which is the most critical component in the AC, works between 190- 240 V. With voltages in most parts of India going well below 190 V, a voltage stabiliser is recommended for an AC.

How can one maximise the AC output in the room?

Once installed, the AC needs fresh air to work efficiently, so one needs to ensure that the outdoor unit is not blocked. Also, the moisture from the room, collected as water, needs to be drained out properly. The outdoor unit should be made of corrosion-resistant galvanised steel. Providing curtains/blinds/sun film on windows reduces heat input into the room. Protecting the AC from direct sunlight can boost its efficiency by almost 5%. Also, a false ceiling or insulation of the ceiling reduces heat input in the room. The filter should be easily accessible so that it can be removed and cleaned regularly as an unclean filter obstructs optimal cooling as well as increases energy consumption by 10%. Ideally, electrical appliances such as televisions and lamps should not be placed close to the AC. These appliances generate heat which is sensed by the thermostat, causing an overload on the running of the compressor. For every degree less than 24℃, the AC will consume 3-5% more energy. So, the thermostat should be set at a comfortably high temperature, preferably 25℃.

How often should the filters be cleaned?

Filter cleaning depends on the frequency of usage and the atmospheric conditions. For normal applications, it is recommended to clean the filter once every 15 days. Also, the AC should be serviced once every 3-4 months for optimal performance and longer life of the machine.

What does one pay for AC installation?

Standard Installation costs
Air Conditioner Category Installation Cost*
Window Air Conditioners β‚Ή650/- (+GST)
Portable Air Conditioners β‚Ή650/- (+GST)
Split Air Conditioners β‚Ή1199/- (+ GST)

Download β€œBlue Star Customer Care App” before installation and avail of the special offer on Split Air Conditioners: β‚Ή999/- (+ GST) *Limited-period offer valid for residential usage only.

What is the ideal tonnage of an Air Conditioner that is suitable for my room size?*

Standard Installation costs
Capacity Coverage Area
Capacity 0.75/0.8 Ton Suitable for small sized rooms (up to 100 sq.ft)
Capacity <= 1.2 Ton Suitable for small sized rooms ( up to 110 sq.ft)
Capacity 1.3 to 1.7 Ton Suitable for medium sized rooms (111 to 150 sq.ft)
Capacity >=1.8 Ton Suitable for large sized rooms (151 sq.ft to 200 sq.ft)

*Data in the table is indicative and may not always be accurate. It is recommended to request a technician to visit the room and do a heat load calculation.

How do I find the model name of my AC?

The model name of an AC is shown on a data plate on the indoor unit as well as on the outdoor unit. You can also see the same on the warranty certificate on the user manual received along with the machine.

Why is the indoor unit not working?

Please check the following: Is the AC unit switched on? Is there a power failure in your house or area? Has the fuse blown or the circuit breaker tripped? Is the timer switched on? Is there any error on the IDU display? Please get in touch with Blue Star Authorised Service Centre in case of any issues.

Why is the indoor unit not working as per the commanded given by remote controller?

Please check the following: Are the batteries inside the remote controller dead? Are the batteries properly fitted inside the remote controller?

Can I cover the front of the outdoor unit to make it less visible?

The outdoor unit of a split AC must have sufficient clearance around it to perform properly. If you would like to cover your outdoor unit, consult a Blue Star service expert to see if it can be done in someway without affecting it's performance.

What does one pay for AC installation?

AI Pro senses the ambient temperature outside and the conditions inside the room. It then intelligently optimises the cooling and fan speed to ensure maximum comfort. AI Pro can be enabled by pressing the mode button on the AC remote.

How does Convertible Cooling work?

Convertible Cooling empowers users to select the desired cooling capacity. With just a touch of a button on the remote, one can adjust the AC's cooling capacity from 115% to 40%. This adaptability ensures that you can enjoy the perfect level of cooling tailored to your specific comfort requirements and the prevailing ambient conditions.

What are DigiQ Penta Sensors and how do they protect the critical electronic components?

Blue Star ACs are designed with intelligent digital sensors that integrate advanced microcontrollers. These state of the art sensors are engineered to deliver unparalleled accuracy, reliability, and performance in diverse applications. The DigiQ Penta Sensors optimise cooling in varying load conditions and protect critical electronic components.

How does the 4-Way Swing feature ensure uniform cooling in the room?

4-way swing feature is thoughtfully designed with motorised horizontal and vertical swings for uniform cooling. This omni-directional airflow ensures that every corner of the room receives the same level of cooling comfort.

What makes Nano BluProtect Technology so special?

The Nano BluProtect coating on the hairpin bend in the indoor and outdoor unit (in the evaporator and condenser) protects the AC from corrosion and leakage while providing efficient and long-lasting cooling performance.

What are the advantages of the Anti-Corrosive Blue Fin Coating?

Anti-Corrosive Blue Fins involve a specially designed coating on both the evaporator coils in the indoor unit and the condenser coils in the outdoor unit which enhances durability, particularly in humid conditions. This coating serves as a strong barrier against corrosion, significantly extending the lifespan of the AC.

How does Precision Cooling Technology work?

Precision Cooling Technology helps in achieving a remarkable accuracy of +/-0.5Β°C, which effectively eliminates temperature swings. The result of this is an unparalleled cooling experience that consistently maintains a comfortable indoor climate, regardless of the ambient conditions.

What are the benefits of Dual User Setting Preference?

With multiple users of ACs at home, Blue Star’s Dual User Setting Preference ensures two users can personalise and save their preferred climate setting mode. Users can select and save their mode, set temperature, fan speed and swing.

What does a Smart Wi-Fi AC mean?

You can access your AC from anywhere in the world just by connecting your AC to your smartphone, only with an active internet connection. This is what converts your conventional AC to a Smart Wi-Fi AC.

What is the Customised Sleep feature?

With the Customised Sleep feature, one can adjust the temperature and fan speed of the AC for every hour up to 12 hours. This helps the user in having a comfortable sleep throughout the night.

How can I use the Voice Command Technology?

With Voice Command Technology, customers can operate their ACs through their smart devices like Amazon Alexa or Google Home through English or Hindi voice commands. A simple voice command like β€œAlexa, switch on the AC" is all it takes to operate the AC, without the need for a remote or smartphone*.

What is the difference between a Smart Wi-Fi AC and a Smart Ready AC?

Smart Wi-Fi ACs come pre-equipped with a Wi-Fi PCB which makes your AC smart at no extra cost. Smart Ready ACs give the consumers an option to convert their normal AC to a Wi-Fi enabled AC by having a small Wi-Fi PCB installed at an additional cost. Please get in touch with Blue Star's authorised service centre to convert your normal ACs to a smart one.

How do I convert my normal AC to a Smart AC?

You can convert your normal AC to a Smart Wi-Fi AC by simply raising a customer complaint. You may also get in touch with Blue Star's authorised service centre to register your request to convert your normal ACs to Smart Wi-Fi ACs by paying for the Wi-Fi module cost.

What is a Heavy Duty AC?

A Heavy Duty AC is an AC that is designed to withstand harsh conditions and provide reliable cooling. These ACs are typically used in residential, commercial and industrial applications, where they are exposed to dust, dirt, and extreme temperatures.

What are the benefits of a Heavy Duty AC?

Heavy Duty ACs are designed for larger spaces or extreme climates. They offer a powerful cooling capacity, can handle higher heat loads, and are more durable than standard ACs.

How durable is Heavy Duty outdoor unit against sun, rain, and wind?

Blue Star's Heavy Duty outdoor units are designed to operate outside your home. If installed and secured correctly, the outdoor unit may withstand high ambient conditions such as extreme temperatures, rain, and wind.

How many components will I receive if I order Hot & Cold AC?

Blue Star's Hot & Cold Split AC will include one Indoor unit, one outdoor unit, one remote and one user manual. The connecting wire and copper kit received will vary from model to model. Please check with your Blue Star authorised dealer to understand what components will be received upon ordering a Blue Star Hot & Cold AC. Contact your retailer or dealer to find what optional parts are available or place an order for one, if you cannot contact them, contact our service provider in your area.

Can I leave the doors and windows open while the AC is running in the heating mode?

Keep all doors and windows closed to make the AC work efficiently even in the heating mode. This ensures that the warm air stays inside the room to keep the room temperature at the desired level.

What is the defrost function?

When the outdoor ambient temperature is low (0Β° C or less) and humidity is high, there may be ice formation on the condenser side, which could affect the heating performance of the unit. When ice forms on the condenser side, the AC stops running and the defrosting cycle kicks in and runs until the condenser side temperature is restored to the original temperature desired for heating operation. While defrosting is in progress, the operation indicator blinks on the indoor unit.

Why is steam coming out of the condenser side?

During the heating operation, the condenser unit's axial fan may stop running, and steam may come out from the condenser side. The steam is caused by the automatic defrosting cycle. Also, a small amount of heat may come out of the condenser side during this cycle. The AC unit is working fine.

Why is the air flow from the indoor unit is weak?

In the heating operation initially, the fan speed is low and the airflow from an indoor unit is weak at first. This is to allow internal components of the unit to warm up. During the heating operation, the unit may stop running for 5 to 15 minutes to allow automatic defrosting. While automatic defrosting is in progress, the indicator blinks on the indoor unit.

Why is the AC's heating performance poor?

Please check the following: Is the Indoor unit's filter dirty and clogged? Is the AC's intake or outlet side blocked? Did you set the room temperature (thermostat) correctly? Is the window or door left open? Is the ventilation Fan inside the room operating? Are the airflow and direction settings appropriate for the room?

How does Anti-Virus Technology work?

The Anti-Virus ACs are designed with a unique and effective anti-virus coated filter. Through its positive charge, it attracts the negatively charged viruses like a powerful magnet and deactivates them when air passes through this filter.

What type of pollutants does the PM2.5 Filter target?

The high-performance PM2.5 filter is specifically designed to combat one of the most harmful pollutants we encounter: Particulate Matter (PM)2.5. These minute particles pose a significant health risk when inhaled. Blue Star's specialised filter creates an electrostatic shield, effectively trapping these tiny, aerosolised particles. This results in indoor air that is safe and offers a breath of fresh and clean air.

What are the advantages of having an Anti-Microbial Filter?

The Anti-Microbial Filter incorporates a special coating which is formulated to ensure effective microbial destruction as well as long-term control of microbial growth on the filter. Additionally, this advanced coating is free of heavy metals, nano-silver, and halogens, making it an exceptionally safe choice for Air Conditioners.

Can I clean my Anti-Virus AC's filter?

Yes, you can clean your Anti-Virus AC's filter which is available in the indoor unit. To clean the same, please follow the steps below:

Step 1: Lift the indoor panel on the indoor unit by holding the panel from side by side horizontally.


Step 2: Hold the knobs of the air filter and take out the air filter from AC indoor unit.


Step 3: Clean the air filter with normal temperature water and light brush.


Step 4: Wait until the air filter becomes completely dry.


Step 5: Re-fix the dry and cleansed air filter in the indoor unit of the AC.


Note: - For better cooling performance, clean the AC filter every 30 days, depending on your usage.

How does a Super Energy Efficient AC achieve enhanced energy efficiency?

Blue Star's Dynamic Drive Design Technology is a unique engineering design where the inverter drive and the compressor are balanced to achieve enhanced energy efficiency, resulting in optimised cooling capacity. As a result, the 1.0 TR Inverter Split Air Conditioners achieve 6.25 High ISEER, which is 25%* more than the current 5-Star ISEER requirements and 64%* more energy-efficient than a 3-Star Rated Inverter Split Air Conditioner.

*T&C Apply.

How does one know if the AC being considered is energy efficient?

One should note the star labelling on the AC. The star rating varies from 1 star to 5 star. More the stars, the more energy efficient the AC is, better will be the corresponding savings. The star rating is defined by the Bureau of Energy Efficiency guidelines and Air Conditioners of all brands are tested and certified by a third party agency for the star-rating.

How does the star rating system help consumers choose an energy-efficient Air Conditioner?

The Star rating of an Air Conditioner is an indicator of its energy efficiency and is certified by the Bureau of Energy Efficiency (BEE). The Star rating aims to help buyers understand the energy efficiency of an Air Conditioner. More the Stars, the higher the energy savings and lower the energy bills for the user.As an AC buyer,you can see a Star Label with the ISEER (Indian Seasonal Energy Efficient Ratio) rating standards affixed on the Air Conditioner. These vary from 1 Star to 5 Stars, with 1 Star being the lowest and 5 Stars being the highest in terms of energy efficiency. Blue Star Air Conditioners are stringently tested and qualify for the BEE energy rating standards.

What are the differences between a Portable AC and a Split AC?

Features Portable AC Split AC
Cooling Capacity Low - Suitable for small rooms only. High - Suitable for large rooms and houses.
Installation Easy to set up yourself, no permanent installation. Requires professional installation.
Mobility Portable (Requires ducting). Permanent fixture.
Efficiency Less energy efficient, tends to lose air through exhaust hose. More energy efficient.
Noise Level Noisier - All components are located in one unit. Quieter - Compressor unit is located outdoors.
Maintenance May require emptying water tank frequently. Requires minimal maintenance.
Cost Lower upfront cost. Higher upfront cost.
Window Access Requires a window for exhaust hose. Does not require a window.
Ideal For Renters, temporary needs, and small spaces. Homes and large spaces.

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