I recently purchased an APC 2KVA online UPS model SRK2KL, and I've noticed it doesn't come with a front intake fan filter. My previous 1KVA model had one, so I'm curious why this one doesn't. Considering my environment can be quite dusty, I'm wondering if I should create a DIY fan filter for it or just leave it as is. What do you think?
4 Answers
Did you mean SRV2KL instead? Bigger UPSs are designed to run in cleaner environments, like air-conditioned spaces. The manual usually warns against using them in dusty conditions. Unless it's crucial for your needs, it's best to leave it as is — modifying it could risk the warranty and safety.
I wouldn't add a filter myself. Intakes should stay unrestricted, especially for high-performance devices. If you do decide to use one, maybe try a loose filter with layered materials to reduce airflow blockage. Keeping an eye on thermal performance with an IR camera could help too.
I'm torn about using the filter. It traps dust, which means less air until I clean it. But if I skip it, dust could get inside...
If your workspace is really dusty, adding a filter could help. But keep in mind that it might reduce airflow significantly. The unit is new, so you want to maintain that warranty. Just think about how essential air intake is for cooling.
Yeah, it's brand new for me. Living in a dusty area worries me, but I'm also scared the filter might block too much airflow.
Is this for a home setup or a professional environment? Most data centers come with filtration systems already. If it's home use, you might consider how much dust you're actually dealing with before making changes.
Just using it at home. I have a powerful PC. Should I make a filter for extra protection?

Yes, it's SRV2KL! The 1K and 3K models have filters, but not the 2K for some reason. The filter gets dirty pretty fast, though.