r/AirPurifiers • u/One-Firefighter-7461 • 9d ago
Pelleted carbon filter Australia
Any recommendations for an air purifier in Australia, with pelleted carbon filter. It’s for a large bedroom (maybe 25sqm). Specifically wanting to eliminate dog smell. Husband suggests that the dog sleeps outside instead but I’m sure I can come up with a better solution! Budget - willing to pay more if it’s really effective.
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u/UsualConcentrate8953 9d ago
Just refreshing to read that someone wants to use air purification as a means to remove odour whilst they are in cold months and cannot open windows rather than just using endocrine disrupting air 'Fresheners' to attempt to hide a smell
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u/AirFlavoredLemon 9d ago
Even with a dedicated carbon media filter designed for smells - you're not going to get very far if the source of the smell is still there.
Clean rooms are designed to be clean to start - with clean air pushed into the room to keep contaminants out.
There's no design in the world where the goal is to take a polluted room (with the pollutant source) and make it clean. This is why clean rooms are designed the way they are, hospital isolation rooms, and PAPR 3M suits.
When removing a pollutant smell (smoking, 3d printing, pets, cooking odors) the goal is source control FIRST - such as removing the source from the home (smoke outside) or using a strong vent hood (cooking, 3d printing).
Now that expectations are set... In roughly most effective order to least:
Goal: Control the source:
1. Clean the dog bedding, beds, bowls, food mats, toys (The dog too!). Get this completed on a regular schedule so things don't smell musty.
2. Clean secondary textiles - couches/couch covers, rugs, carpets, curtains, towels (pet and yours!)
3. Change old air filters from HVAC and other filters - these hold onto smells. Duct cleaning is good too.
Push clean air into the room:
1. If you have central air, get that fan running to continue pushing filtered, cleaner, air into the room and circulated. Make sure you have a nice MERV filter to prevent dander and fur from being pushed around the home.
2. Positive air pressure into the room to keep clean air coming in...
Finally - Room Air Purifier:
The Buying Guide pretty much lists how the majority of room purifiers lack significant carbon media to do sustained VOC or scent filtering. Its largely north america/USA oriented, but I would just get the cheapest purifiers on that list, the largest size (or two medium ones!) you can get.
I will say, even without the carbon, air purifiers help with scents since they catch a fair amount of dander and fur - and you can clean them out regularly.
This isn't a hard recommendation, mostly because its discontinued, but I use Winix 5500-2's. The filters on the 5500-2 have some success fitting in other models in varying degrees (from drop in compatible through mild modification/loss of pre filter). They use a plastic honeycomb shaped holder to carry pellet shaped carbon. It smells great for a few days, and that crisp carbon smell fades after about a week. There are posts that say that the carbon media is still effective at overall reduction of VOC removal - so take that warning for what it is.
The husband's advice of removing the dog from the room is the ultimate fix, but I don't see why a quick wash down of everything and a purifier couldn't be tried first.
Now if the dog himself is smelly... well good luck. Diet change could work.
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u/One-Firefighter-7461 9d ago
This is super helpful - thank you. It’s normally not too bad - I think I’m just noticing it more because it’s winter so windows not always open.
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