EUM-2000 – Whole House Energy Monitor
by Michael Graham Richard, Ottawa, Canada 
on 07.23.05
A while ago we wrote about the Kill-A-Watt, a little device that allow you to to measure how much electricity whatever you plug in it uses. But since you can only test one appliance at a time, discovering the energy consumption of a whole house is not very practical. That's where this other gizmo comes in: The EUM-2000 is a whole house energy monitor. It can display the electricity used in KWh or in dollars (after you input your local rates). It costs US$200 and can be bought here.
::Energy Monitoring Technologies Inc., via ::MetaEfficient
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I wonder if someone makes something like this with a USB port and memoryso you can log data over an extended period.
Q'uel geek, eh?
I would like something similar - a series of small wireless temperature devices connected to a thermostate with USB port and memory. This would allow you to track the temperature in multiple rooms over time as compared to your thermostat setting and the time when your HVAC system actually cut off and on. Right now I feel like I'm throwing darts in the dark as to how best to tweak thermostat settings and baffle openings.
Who has so many electronic devices that it's worth $200 not to go around to each device individually?
Sheesh. I work for the Man (Microsoft), and that's NOT worth it.