The $200 air purifier I bought vs the $40 box fan with a furnace filter taped to it

I bought one of those fancy Dyson air purifiers last spring because my allergies were wrecking me. It cost me $200 and honestly, it barely made a dent in the dust level in my apartment. A buddy of mine who does HVAC work laughed at me and showed me his $40 box fan with a MERV 13 furnace filter strapped to the back with bungee cords. I tried it two months ago and my place went from hazy to crystal clear in like 3 days. The Dyson fan is quieter, sure, but the box fan setup moves way more air and costs a fraction to replace the filter. Has anyone else found a cheap hack that outworks the fancy version?

3 comments

3 Comments

alice_allen51d ago

My cousin did the same thing with a $30 box fan and a furnace filter. She swore her Dyson was working but the air was still dusty. After she switched, her allergies got way better in just a week.

wren2301d ago

Read a CDC study a while back that said box fan filters can actually pull out way more fine particles than most people think. Something about how the seal between the fan and filter creates better suction than a lot of those overpriced air purifiers. Your cousin is probably breathing cleaner air for like a tenth of the cost.

ward.anna1d ago

Gotta admit I was skeptical at first about box fan filters, thought they were just a budget hack that couldn't really work as well as the expensive stuff. But after reading that study and seeing how my own dad's allergies cleared up with a similar setup, I'm totally on board now. It really makes you question how much money people waste on those shiny machines when a simple fan does the same thing.