$30 max taxi/uber/grab fare to and fro still worth it. Ask him to carry down to lobby and you just collect it. Or you travel to nearest MRT and then take a cab to collect from his void deck.
It's the quietest (it's not silent and very light sleepers still would notice the noise) and most energy efficient per m3/hr airflow AP out there. And it's a workhorse.
And lowest recurrent cost if you use the 300x300x25mm Taobao HEPA and DIY cut a bit, which works as tested with laser particle counters.... either that or the 300x400x25mm filters if you don't like leaving any holes so that you need to plug that up....just 9 rmb difference now, coz the 300x300 increased price liao.
And original filters are available at SGD55 shipped from qoo10.
No bells n whistles like wifi though.
Samsung AX40 with original filters does low 300+ m3/hr, CADR maybe 300 m3/hr?
Samsung AX40 with Taobao filters does about 260 m3/hr airflow, CADR maybe 200 m3/hr and that's v conservative already. At 19W power consumption as per measurement at the socket measured by me, and at a lower noise level vs Xiaomi AP2 @ 200 m3/hr setting.
Take it as a medium-high fan speed mode on the AX40.
AX40 and TB filters more than enough for BTO really small new rooms, does ACH of about 8-12 ACH for those rooms after factoring in the furnitures and cabs. This is good enough for even the worst allergic rhinitis sufferers who can sneeze like 20-40 sneezes 1 shot.
With original Samsung filters, it's good enough even for cases like preterm infants suffering from heart/lung issues if you are using in the BTO bedrooms or MBR, but as always, pls check and remove all possible sources of contamination first as they make a very big difference in the actual achievable air quality. Eg, Sharp original filters does 83% filtration of PM0.1 as per *ACTUAL* lab measurements (not claimed manufacturer specs, they don't give PM0.1 specs anyway in the first place).
As always, pls allow a certain amount of ACH with external air, to get rid of the CO2 and stuff. ie leave a certain gap at the windows, maybe 5mm...still quite windy nowadays so that's more than enough.
AX40 and TB filters also good for regular to even somewhat sensitive pax in MBR.
You can leave the AX40 switched on 24/7 for weeks at a go, probably months no issue too. No issue. Motor temps are pretty low esp with the TB filters coz lower power setting.
What i call a bloody workhorse. Same goes to the Sharps.
