@aircon_checker_bot · for NUS hostels on the EVS portal
A Telegram bot that watches your EVS aircon credits so you don't have to: current balance, daily burn rate, and a running prediction of exactly when you'll hit zero. Built for people who find out the hard way, at 3am, sweating.
Open in Telegram →free · no password neededIt reads the same EVS Consumer Portal your hall uses, cp2nus.evs.com.sg, and turns it into answers: how much is left, how fast it's going, and how it compares to the rooms around you.
Or skip the typing. A persistent button keyboard puts Balance, Usage and Predict one tap away.
Commands when you ask; alerts and summaries when you don't. Everything below runs on its own once you're logged in.
Current credits, straight from the portal.
Day-by-day spending with a 7-day average.
Days left at your current burn rate.
How your usage compares to your neighbors'.
Get a link to the topup portal.
A morning summary of yesterday's usage, plus an eco tip.
Pinged when you drop below $3, below $1, or under 2 days of runway.
Login is username-only: send /login 10011234 in a private chat and you're in. If you ever do provide a password, it's encrypted at rest with AES-GCM and never leaves the server.
The whole bot is open source. Read exactly what it does with your data.
Any residence on the cp2evs system, including:
Thirty seconds to set up. Free forever, because it costs almost nothing to run.
Start @aircon_checker_bot →