5 tips to buy right air pu­ri­fier

Con­fused which air pu­ri­fier to buy – Here’s what to look for

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Now that you are fairly warned about the air pol­lu­tion in In­dian cities, thanks to re­cent me­dia news and re­ports by WHO cast­ing an

abysmal pic­ture of the alarm­ing sit­u­a­tion, it is time to take things in your own hand.

Since the onus of tak­ing care of your fam­ily rests on your shoul­ders, you need to do ev­ery­thing pos­si­ble to keep your­self and your fam­ily healthy and pro­tected from pol­lu­tion in the city. While deal­ing with out­side pol­lu­tion maybe out of your hands, as an in­di­vid­ual, you can cer­tainly safe­guard your fam­ily from in­door air pol­lu­tion. But first, are you even aware of how deadly the air in­side your homes is? The air we breathe in our homes, cars, and of­fices can be equally and some­times even more harm­ful that out­door pol­lu­tants lead­ing to health haz­ards.

Fur­nish­ings, clean­ing agents, cook­ing, pets, and ac­cu­mu­lated dust in en­closed spa­ces of our homes are just some of the forms of in­door air pol­lu­tion to which you and your fam­ily is ex­posed to ex­ten­sively through­out the day.

There ex­ists a range of prod­ucts and cut­ting-edge tech­nol­ogy meant for In­dia’s spe­cific needs in­clud­ing in­door and out­door air mon­i­tor­ing and pu­rifi­ca­tion de­vices, and pol­lu­tion masks promis­ing In­di­ans bet­ter ac­cess to cleaner air. It is high time you in­vest in these for your home and cars. Un­like smart­phones or tele­vi­sions, where it is easy to see what you are get­ting, shop­ping for an air pu­ri­fier is not easy. Con­sid­er­ing, the gen­eral lack of know-how when it comes to air pu­ri­fiers, there are sev­eral fac­tors to be kept in mind be­fore mak­ing an in­formed pur­chase de­ci­sion. Look for these, when mak­ing the buy­ing de­ci­sion:

1. Room size

The room size will de­ter­mine as to what kind of air pu­ri­fier you need (rang­ing from com­pact to big­ger ones). Keep in mind that one size does not fit all. Also, con­sider the height of the room. For ex­am­ple, it will be ef­fec­tive to buy an air pu­ri­fier which can cater to a 450500 sq feet room if the size of the room is 300 sq feet with an av­er­age room height of 9ft.

2. Per­for­mance

A. De­liv­ery Rate: Clean Air De­liv­ery Rate (CADR) will

show pu­ri­fier you and how how much quickly clean the air pro­duc­tis com­ing func­tions.out of the Higher the CADR, bet­ter is the air fil­tra­tion ca­pac­ity of the air pu­ri­fier. It is ad­vis­able to go for the high­est CADR rat­ing, de­pend­ing on the room size. B. Air Changes Per Hour (ACH): ACH de­ter­mines how quickly and of­ten the air pu­ri­fier can clean the room in an hour. Given the level of pol­lu­tion we have in cities like Delhi, opt for a prod­uct which of­fers four ACH as the air pu­ri­fier needs to con­stantly clean the air every 15 min­utes (4 times in an hour). Don’t fall for a trap of larger clean­ing area, as many brands claim of clean­ing a larger room size by re­duc­ing ACH count to one time in an hour.

3. Fil­ters

A fil­ter forms the es­sen­tial com­po­nent of an air pu­ri­fier. The type and qual­ity of the fil­ter de­ter­mines the ef­fec­tive­ness of the prod­uct. The fil­ter must be equipped to re­move pol­lu­tants like pollen, dust, smoke, odour and other harm­ful sub­stances from the air. The air pu­ri­fier should have a pre-fil­ter that can re­move large par­ti­cles from the air at the ini­tial fil­tra­tion stage. High Ef­fi­ciency Par­tic­u­late Air (HEPA) fil­ters are most ef­fec­tive as they are tested and cer­ti­fied.

Al­ways re­mem­ber that the cost of re­plac­ing the fil­ter is huge so the air pu­ri­fier should have op­ti­mum num­ber of fil­ters that lasts for a con­sid­er­able amount of time be­fore need­ing a re­place­ment. Hav­ing said that, one should change the fil­ters reg­u­larly to in­crease the life span of the pu­ri­fier which also makes a “Fil­ter re­place­ment” in­di­ca­tor a ne­ces­sity in an air pu­ri­fier.

4. Porta­bil­ity

Porta­bil­ity of the air pu­ri­fier and weight plays an im­por­tant role. A small air pu­ri­fier can also have the abil­ity to clean a big room ef­fec­tively. Don’t go by the size and weight as a big air pu­ri­fier will be costlier and can take up a lot of room.

5. En­ergy Sav­ings

Con­sid­er­ing elec­tric­ity costs, go for an air pu­ri­fier with en­ergy sav­ing op­tions/rat­ings

“The fil­ter must be equipped to re­move pol­lu­tants like pollen, dust, smoke, odour and other harm­ful sub­stances from the air. The air pu­ri­fier should have a pre-fil­ter that can re­move large par­ti­cles from the air at the ini­tial fil­tra­tion stage”

Sud­hir Pil­lai Gen­eral Man­ager, Homes, Hon­eywell Home and Build­ing Tech­nolo­gies, In­dia

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