5 Things To Know About Air Cleaner


Buying an air cleanser to counter the high polluting of the environment levels? This air cleanser buying guide aims to assist you take an informed decision.

Buying an air cleanser is tricky. Without any industry standards in position in India, individuals are subject to the brands. The values of air purifiers can cover anything from anywhere between Rs 8,000 and Rs 1 lakh. There are numerous things to consider before buying an air purifier. It is crucial to endure the specifications of every model rather than blindly believe the sales executive. This buying guide is designed to allow you to take an informed decision.

What to remember first

Prior to heading off to buy an air purifier, note the following:

  1. Note how big the room (preferably in square metres) in which you desire to install an air cleaner
  2. Keep in mind that portable home air cleaners are meant to cater to just one room
  3. Avoid Ionizers, UV light-based models. These electronic home air cleaners release ozone as a byproduct which have adverse effects.
  4. The price of replacing air conditioning filter and electricity costs ought to be taken into account. For best results, electronic home air cleaners should really be kept running always.

Certifications to bear in mind

  • There are two main standards- AHAM (American) and China certification- which are taken seriously in the market. Most electronic home air cleaners that exist in India don’t have some of these certifications. Both the certifications ensure a minimum quality and gratification standard for an air purifier model.
  • Some popular AHAM Verifide brands are Blueair, Bosch, Electrolux, Honeywell, LG, Philips, Sharp, Whirlpool among others. Note that all models from all of these brands may possibly not be certified.
  • Some brands like Xiaomi follow Chinese GB/T 18801 air cleaner standard.

Type of Filter

  • The product quality and form of filter determines the potency of an air purifier. Specific filters target different aspects of air. The absolute most commonly available filter type is HEPA (High Efficiency Particulate Air). It may filter most (up to 99.9%) air borne particles of small sizes all the way to 0.3 microns. For general usage, HEPA filters get the job done.
  • Some brands provide ultrafine particle filter along with the HEPA filter to focus on particles even finer than 0.3 microns (Divide a hair strand into 240 pieces additionally the width of one such piece is equivalent to 0.3 microns). Keep in mind that HEPA filters try not to remove odour.
  • To a target odour, you will need to go for an activated carbon filter over the regular HEPA filter combination. There are lots of kinds of activated carbon filters. Many of them are light mesh-like which prevents cooking odours. On the other hand, some filters offer activated carbon pellets that could remove gaseous and chemical odours.
  • Some brands even let you customise the filter according to your requirement.
  • Air cleanser filters try not to kill air borne germs and bacteria in general. It is possible to be aware of filters with antibacterial coating. However, avoid UV light-based models.
  • Few air cleanser models offer a washable pre-filter to fully capture dust as well as other large particles. Choose for a model with pre-filter as it advances the life span of the filter inside.


  • The performance of a certain air cleanser model is rated by its coverage area, Clean Air Delivery Rate (CADR) and Air Changes Per Hour (ACH). While brands will boast concerning the CADR and coverage of a certain air purifier model, they will certainly decide to remain silent from the ACH. This will be something you should ask to see before buying an air purifier.

What exactly is ACH?

  • Air Changes Per Hour (ACH) is basically how frequently an air purifier can clean the air of the claimed coverage area in an hour. This is important because pollutants constantly enter your room and also the air cleanser has to constantly clean the atmosphere. Because of the pollution levels in Delhi, opt for an air purfier that offers 4 ACH. What this means is the air purifier can perform washing the air of the entire claimed area four times in an hour or every fifteen minutes the air inside is wholly replaced.
  • The catch listed here is brands have a tendency to hide the ACH rating while showcasing an increased coverage area and CADR. If an air purifier can cover more square feet however, if its ACH is just about one or two, then it will be less efficient. Some brands like Blueair offer 5 ACH.

Other stuff to see:

  • Cost of replacement filters and their lifespan. Filters usually cost in the selection of between Rs 1,500 and Rs 2,500 with a lifespan of approximately 6 months. Also, don’t neglect to enquire about the option of filters.
  • Considering electricity costs, you will need to search for an air purifier with energy star ratings.
  • Noise levels must certanly be around 35 decibels when the fan is running at the top speed. Do not decide for models with above 55 decibels rating. It is commonly disturbing while sleeping.