I Clean Houses For A Living. You Are Not Removing Dust. You Are Moving It.

you dusted the living room on sunday. by thursday the shelf has a film on it again and the baseboards look like nothing happened. the usual conclusion is that the house is dusty. the actual conclusion is narrower than that.

i clean houses for a living in western new york. dusting gets treated as the easy job on the list, and it is the one where the standard method works against itself. the reason is a single sentence on an epa page.

a dry cloth is an air tool

epa’s page on indoor particulate matter says settled dust “can be easily kicked up into the air by cleaning, vacuuming, and other activities like walking and crawling.” cleaning is first on that list. that is not a warning about doing it badly. that is what the activity does.

so a dry rag, a feather duster and a lambswool wand all have the same effect. the surface looks right. the dust is now airborne, and over the next few hours it comes down on the surface you just finished and on the three you did before it. thursday’s film is partly sunday’s dust landing.

epa’s own instruction is to dust with a damp cloth, and the reason it gives is exactly this: “Dampening the cloth helps keep settled dust from going back into the air.” that is the whole fix. it is free and it is the only part of this post that genuinely changes the outcome.

damp means wrung out hard, not wet. a wet cloth leaves streaks and smears dust into a paste in the corners. the auto-aisle microfiber cloths i buy are the ones i use for this, because they hold enough water to stay damp across a whole room and they do not shed.

plain water on the cloth does most of the work here. you do not need a product for a shelf. where you do need something disposable is the greasy dust on top of a kitchen cabinet or a range hood, which should not go into a cloth you are about to carry into the bedroom. that is what the Viva paper towels are for.

order matters, and here is the honest limit of that claim

work top down. light fixtures and the tops of door frames before shelves, shelves before furniture, furniture before the floor. glass and mirrors last, because they show every particle that landed after you did them, and Sprayway glass cleaner is the one i keep for that pass.

here is the part most cleaning advice skips: nobody has given me a number for how long airborne dust takes to settle, and epa does not publish one on that page. top down is trade practice and it is logically sound. it is not a measured interval, and anyone telling you to wait a specific number of minutes between passes is ahead of the evidence.

the floor goes last for the same reason, and vacuuming is on epa’s kicked-up list in its own right. epa suggests vacuuming carpets and furniture weekly or more often, and says to consider a vacuum with a HEPA filter to reduce dust build-up. upholstery is its own problem, and if there is an animal in the house, a vacuum is not what gets the hair out of it.

that HEPA vacuum is the single most load-bearing recommendation on this page and i have nothing to link you to for it. there is no vacuum in anything i can point at. so take that one as advice with no commission attached, which is the version you should trust most anyway.

the dust you can stop making

wiping is the downstream job. the upstream job is air, and in october the furnace comes on and starts moving every particle in the house through a filter and back out again. the Filtrete 16x25x1 four-pack is the one in the library, and the size on that listing is not a suggestion. one listing per size, so measure the old filter first.

say the honest thing about that filter, though: it is MERV 11, and epa suggests at least MERV 13, or the highest rating your system can accommodate. a higher number restricts more airflow, and not every furnace will take 13. the filter nobody can size is the part i already wrote about in the post about your heating bill.

then the registers. the supply and return vents have been collecting dust all summer with nothing moving through them, and the first week of heat pushes it into the room. a vent brush with a vacuum attachment gets into them. it is sold for dryer vents, which is the job it is built for, and i am linking it because the shape is right for a floor register.

textiles are the reservoir. a bed is the biggest one in the house, and washing the sheets is not cleaning it. a zippered mattress protector turns the mattress into a surface you can wash instead of a reservoir you cannot. not a product i use. it is one listing per size, same as the filter.

window coverings are the reservoir nobody washes. if you are replacing curtains anyway, buy ones that go in the machine. these blackout curtains are the washable ones in the library and that is the only reason they are here. i am not going to tell you to replace working curtains to cut dust, because that is not a saving.

the humidity thing, which is a genuine tension

epa also says to keep indoor humidity low to limit mold and dust mites. that sits awkwardly next to the post i wrote a couple of weeks ago about a newborn who sounds congested the week the furnace turned on, where the answer is usually to put some moisture back in the air.

i am not going to resolve that for you, because it depends on which problem your house actually has. both are real. the band most guidance lands in is somewhere in the middle rather than at either end, and a hygrometer costs less than guessing. if you have an infant and a mite problem at the same time, that is a question for your pediatrician, not a blog.

a few things not to do

do not use compressed air or a leaf blower indoors to “blow the dust out.” it is the kicked-up problem on purpose. do not dry-sand or dry-scrape painted surfaces in a house built before 1978 without reading up on lead dust first, because that is not ordinary dust. and never combine cleaning products to make a stronger one.

epa is most concerned with particles ten micrometers across and smaller, which get further into the lungs, and it points out that children are more exposed because they are playing closer to the floor. if there is somebody crawling in your house, the floor is the priority and it is not close.

wet the cloth. that is the post.

some of the links in this post are affiliate links, which means i may earn a small commission if you buy through them, at no extra cost to you. #ad #WalmartPartner. seven products are linked and three of them are ones i buy and use — the microfiber cloths, the Viva and the Sprayway glass cleaner. the other four are flagged where they appear, and the best recommendation in the post has no link on it at all.