Air purifier?

[WussRedXLi]

Was looking through this. HEPA is still v efficient at 0.01 microns.

https://www.sy-klone.com/mm5/graphi...ence/Comparison_EU_Standards_vs_ASHRAE_52.pdf

Changzhou Airrex Co., Ltd


Size of haze particles
http://www.google.com.sg/url?sa=t&r...E-_J_Fm9sToVFahqw&sig2=OrZJCBeKPz9rEVDs2vupEg


Size of haze particles is also predominantly below 0.2 microns!!

Size Haze Clean Photochemical Smog Haze/Clean Photochemical smog/Clean
10-20 nm 1665 1622 2642 1.03 1.63
20-50 nm 6591 3580 9791 1.84 2.73
50-100 nm 4702 1389 8178 3.39 5.89
100-200 nm 2678 631 2704 4.25 4.29
200-500 nm 1030 317 579 3.25 1.82
0.5-1 μm 114 6 20 17.78 3.19
1-10 μm 14 2 5 8.78 3.23
10 nm-10 μm 16797 7547 23920 2.23 3.17

 

[WussRedXLi]

Ok, haze is over for now.

Rains Quell Riau Hotspots - The Jakarta Globe

 

[wideCDMA]

i am thinking of getting this model Amazon.com - Honeywell True HEPA Allergen Remover - Hepa Filter Air Purifiers

Honeywell True HEPA Allergen Remover HPA- 300.

anyone using thi model ?

 

[s3856]

Anyone pre-order the Novita air purifier from the website ?
Promotions | NOVITA

 

[Le_coq]

i am thinking of getting this model Amazon.com - Honeywell True HEPA Allergen Remover - Hepa Filter Air Purifiers

Honeywell True HEPA Allergen Remover HPA- 300.

anyone using thi model ?

i use the 17000 model, cheap and good.

 

[WussRedXLi]

i am thinking of getting this model Amazon.com - Honeywell True HEPA Allergen Remover - Hepa Filter Air Purifiers

Honeywell True HEPA Allergen Remover HPA- 300.

anyone using thi model ?

I have checked that out as well. Read the reviews, some say quite loud.

 

[YaYu73]

No haze now, so no need to buy air purifier liao ....

 

[WussRedXLi]

Anyone pre-order the Novita air purifier from the website ?
Promotions | NOVITA

Wanted to put my name on the waiting list @ Robinsons coz I got some $100 worth of vouchers to clear, but looks like the rain + extensive cloud seeding doused the Riau hotspots (coz got rainclouds so they could seed extensively). So maybe next time coz I already have one for the MBR, this one is for my parent's place and also for the kids who will be there during day time. Now using the 3M Filtrete aircon filter there, good enough for the recent PM2.5 150 API episode.

 

[iamnagel]

So when the models all in stock, one of the better model is sharp a40?

 

[WussRedXLi]

So when the models all in stock, one of the better model is sharp a40?

Difficult to judge and say which is better lah.

It depends whether you just want to use intermittently during haze periods, use 12hrs a day from 7 to 7 so you need a workhorse, or you want the best cleaning power for living room w best bang for the buck without being concerned with the noise levels etc. Whether you need filter replacements cheaply and easily available also need to decide.

Sharp more for daily usage.

 

[chuanz]

For those with the Sharp A28E, Sharp does sell the replacement filter.
Filter cost $44.94 and lead time estimated 6 to 8 weeks.

 

[Zabiyaki]

Waiting for a28 to price drop

 

[NWT1978]

No haze now, so no need to buy air purifier liao ....

temporary or permanent ones?

peat fire difficult to put out ones...

or they going to start a few more rounds this yr?

 

[lala81]

temporary or permanent ones?

peat fire difficult to put out ones...

or they going to start a few more rounds this yr?

nobody know lah. But with global warming, i would bet on the weather becoming more unpredictable and more dry/wet spells.

 

[WussRedXLi]

temporary or permanent ones?

peat fire difficult to put out ones...

or they going to start a few more rounds this yr?

Peat fire indeed is super unpredictable.

Malaysia got one large hotspot operation deemed to be completely extinguished. Water tanker there to blast and heli to water bomb. Bomb water until buay lin chu, they claim. But a few days later restarted. Foam and water extinguishment just don't work effectively for large peat fires.

If slightly dry weather persists (starting April) then the peat fire ambers deep beneath the ground just reignite, burn whatever new plants above, the ambers just fly over to other areas and restart without people knowing. Is very horrible one.

This year also very likely to be El Nino (dry for the SEA and Oceania region), just how severe it would be the meteorologists don't know.

Peat fires is basically need at the very least 1 week of super wet weather....like everyday rain 2hrs of heavy rain widespread. This is to soak the ground completely and not just 10-20mm of rain and the water stays there for the first metre or so....coz the peatlands got one protective layer one. Not the Sunday super wet weather but Monday - Wed isolated showers.

And with the current dry season, the water get from where for the fire fighters to use? Hence need to see the clouds etc.

But overall if got fire management, the problem is manageable. Esp to stop the farmers from burning, which I can guarantee won't stop despite Bambang's visit.

The 1997 haze (SG 236 PSI then) was also tied to El Nino that year.

 

[shokbakgoc]

Waiting for a28 to price drop

won't drop i think... i also waiting for price drop since last year

 

[Asure7]

Interesting that the new Sharp KC-D60E (~$750) is a lot cheaper than the older KI-A60E (~$1200) although specs v similar....

 

[Human85]

Why not try hooting Sharp air purifier @tao bao ? They do delivery from JP to SG. Japan series and price are at least 30/40% cheaper as compared to local.. The only disadvantages are no local warranty and requires voltage transformer.

 

[shokbakgoc]

if require voltage transformer i rather hoot from amazon instead of tao bao. we don't want to use voltage transformer mah...
i already got a honeywell compact HHT011 from amazon and voltage transformer. the transformer got hot becos house no aircon, so don't dare to switch on for long hours.

 

[Human85]

I understand your concerns.. Transformer do generates heat just like any other electric appliances. Can consider getting a reputable brands transformer from local stores !!

And ya, the Japan Sharp Mid/High end series have timer to power off the purifier.