Air Purifiers

Why an Indian home actually needs a purifier

An air purifier is not a fix for the city. It is a fix for one room. That distinction matters, because most homes do not need clean air everywhere — they need it where people sleep and where children study. Indoors, behind closed windows, a good purifier does real work. Outdoors, it can do nothing, and we would rather say that plainly than sell a promise we cannot keep.

The case for one in India is seasonal and specific. Through winter, large parts of the north sit under smog for weeks — Delhi’s winter AQI regularly crosses 300, and the haze does not stop at the door. Through the building boom in nearly every metro, fine construction dust drifts in from the flat being renovated two floors up. Through the monsoon, the problem flips: damp settles into cupboards and corners, and that heavy, mildewy smell takes over. No single season explains why a purifier earns its place — the year, taken together, does.

What a purifier does is narrow. A HEPA H13 filter captures 99.95% of particles down to 0.3 microns — that is the H13 standard, and it covers most of what floats in indoor air: dust, smoke, pollen, pet dander. An activated carbon layer takes on odours and some gases. That is the honest scope. It cleans the air in the room it stands in, quietly, while you get on with the evening.

How to size one without getting fooled

Sizing is where most buyers go wrong, usually because a spec sheet did the thinking for them. The number that matters is CADR — Clean Air Delivery Rate, measured in cubic metres per hour. It tells you how much clean air the machine actually pushes out, not how big the box looks. A higher CADR clears a given room faster.

Here is the honesty most brands skip: a “coverage area” printed on the carton is often calculated for one slow air change per hour, in a lab, with the door shut. Real Indian rooms leak — under doors, around old window frames, through the gap where the AC pipe goes out. So a useful rule is to size up, not down. Pick a purifier rated comfortably above your room’s floor area, and you will get the two or three air changes an hour that genuinely make a difference. We walk through the full method, with worked examples for a 12×12 bedroom (144 sq ft) and a larger living room, in our air purifier buying guide for India. If the term CADR is new, start with what CADR actually means — five minutes there will save you from a bad purchase.

One more thing worth saying: a quiet purifier you leave running beats a powerful one you switch off because it roars. Sizing up gives you headroom to run on a lower, quieter speed and still clean the room.

Breeze or Summit — which one is yours

We make two purifiers, and they are built for two honestly different rooms. The Breeze is the bedroom and study machine: right-sized for spaces up to roughly a standard 12×14 room, quiet enough to sleep beside, light enough to move from the kid’s room to your own. The Summit is built for the open living-dining space — more air moved, more filter to do it with, for the room where the family actually gathers and the front door keeps opening.

Neither is the “better” one. The better one is the one that fits your room. Buy a Breeze for a hall it cannot keep up with and you will be disappointed; buy a Summit for a small bedroom and you will have paid for capacity you never use. The comparison below lays the two side by side, so the choice is about your floor plan, not marketing.

If you would rather not eyeball it, our find your purifier tool asks a few questions about your room, your city and your sleep and points you at the right one. It takes under a minute and it will tell you honestly if a smaller model is enough.

The real cost is the filter, not the purifier

This is the part the showroom never leads with. The purifier is a one-time spend. The filter is a running cost, and over three years it is often the bigger number. A cheap machine with an expensive, short-lived filter can cost more to own than a dearer one with a sensible replacement cycle.

How long a filter lasts depends on your air. A flat facing a construction site in peak winter will load up its filter far faster than the same flat in a clean-air month. So treat any “lasts X months” claim as a starting point, not a guarantee — the dust in your room sets the real schedule. We have written plainly about the signs that a filter is spent and the trap of running one past its life in when to replace your air purifier filters. Reading it before you buy means no nasty surprise at month nine.

Our promise here is narrow and firm: replacement filters for both Breeze and Summit are stocked, fairly priced and easy to order, with no proprietary lock-in games. A purifier you cannot cheaply re-filter is one you will quietly stop using, and we would rather you keep using ours.

How the cleaning actually works

If you want to understand what happens inside the machine — how a pre-filter, a true HEPA layer and activated carbon each handle a different job, and why the order of those layers matters — we have laid it out without the jargon on the science page.

A note we keep returning to, because trust is built on it: a purifier helps with the air it can reach. It is not a medical device, and it does not treat any condition. If someone in your home has asthma, allergies or any respiratory concern, clean indoor air may be one helpful piece of a larger picture — but the plan belongs with your doctor, not a product page.

Ready to choose

You do not need the most powerful purifier on the market. You need the right one for your room, run at a speed you can live with, with a filter you can afford to replace. That is the whole brief, and it is the one we built both machines to meet. Start with find your purifier for a recommendation, or read the buying guide to decide for yourself — either way, you will know exactly what you are paying for.

Air purifier questions