AC Buying Guide - Choose the best AC

An air conditioner is an important home appliance that not only cools down the room but also provides clean air. Choosing the right AC for home requires essential information about the different types of Acs and features they offer. To ensure that youu get the most out of your purchase, follow the comprehensive AC buying guide. 

Types of AC

The first tip for buying an air conditioner is to know and understand the 3 types of ACs:

Window AC:

  • Features a single unit mounted on to a window or a wall
  • Ideal for cooling one room
  • Easy to install
  • Opt for it if you are ona budget and are prioritising energy efficiency

Split AC

  • Features two units: indoor and outdoor
  • Used for cooling larger rooms
  • Has higher installation costs
  • Opt for it if you are looking to cool multiple rooms or large spaces

Portable AC

  • Mobile and lightweight
  • Ideal for cooling smaller spaces
  • Requires a specially crafted vent for the exhaust hose
  • Opt for it if you are looking to cool multiple rooms with one unit


Split AC subtypes:

Inverter split AC:

  • More energy efficient
  • Offers faster cooling
  • Minimal noise of operation
  • No voltage peaks in the compressor
  • Longer durability
  • Costlier than non inverter ACs

Regular split AC

  • Draws more power and energy
  • Results in slower cooling
  • Noisier than inverter ACs
  • Several voltage fluctuations
  • Less durable
  • Cheaper than inverter ACs


How to determine the cooling capacity ?

Capacity  becomes the next important factor when you are buying an AC. You need to calculate the square foot area of your room to understand the capacity requirement to cool that room. Read this AC purchase guide to get the most from your AC.

  • Room size: The capacity required to cool a room depends on the size of that room. For instance - a 1 ton AC for a small room of 150 sq.ft is more than enough as the heat load is manageable. However, in a medium sized room, a 1 ton AC is likely to be overloaded.
  • Noise Level: If you're a light sleeper or have an infant in the room, a loud AC can be a disturbance. So, remember to check the noise level, especially for window ACs. However, it may be best for you to buy a split AC in this case. 
  • Average city temperature/ weather: the ambient temperature is also critical in determining the type of AC you'd require. If you live in an area with harsh summers, than you may require a 1.5 to 2 ton AC even for medium sized rooms. 
  • Number of occupants: Another essential tip for buying an air conditioner is to consider the number of people in a room. This adds to the heat load of the room. A crowded room requires a stronger unit. 
  • Smart home compatibility: Smart features in your AC can help you to seamlessly integrate it with other smart devices in your home. 


Coils the most important deciding factor:  

Coils become the next important deciding factor as they determine the overall efficiency of your AC. Continue reading this air conditioner buying guide to quickly understand what sets them apart. 

Copper Coil

  • Heat transfer: higher heat transfer coefficient
  • Durability: durable
  • Pliability: Poor pliability needs more raw material to blend to the desired shape
  • Corrosion: Can corrode
  • Maintenance: Easy to maintain
  • Cost: Costlier

Aluminium Coil

  • Heat transfer: Lower than copper
  • Durability: less durable
  • Pliability: fairly pliable, requires less raw material
  • Corrosion: Can corrode
  • Maintenance: difficult to clean and maintain
  • Cost: cheaper


Power consumption ( BEE rating)

An important part of the air conditioner buying guide is to help you understand the power consumption of your AC. The BEE rating, now ISEER, is issued keeping in mind an AC's energy efficiency ratio (EER). ACs are rated in British thermal Units(BTU), regardless of their tonnage and capacity. 

Other features to look for:

  • Wi-Fi compatibility: Grants wireless access to your AC even when you're not home
  • Self-clean feature: Automatically moves a brush across the filter to clean dirt sitting on the wing
  • Activity sensors: Monitor activity to reduce energy consumption if you're not in the room 
  • Voice command compatibility: Allows you to control your AC hands free
  • App control: Replaces a traditional remote and gives you more information about the AC and its operations. 


More tips to get the most from your AC purchase: 

You need to keep in mind the following tips to get the most from your AC purchase. 

  • turn off extra heat sources - lights, appliances add heat to the room
  • ensure air flow fro the AC - keep the AC vent clear of obstacles like curtains
  • check for air leaks - these can be around doors, vents, and windows
  • block direct sunlight - singlight adds heat to the room and makes it harder to cool
  • use the eco mode - this controls temperature efficiently and limits power consumption


Pay attention to after sales services and additional warranty: 

Once you have identified the AC of your choice, ensure that it comes with a good after sales service. If you can, do opt for additional warranty too. Read on to know how these 2 factors can help you:

  • Protect you from paying for breakdowns due to defects
  • Give you access to professional technicians familiar with the AC
  • Help you to lower additional costs or expenses. 



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