ab, I've got an Energi, and it works really well for people who have a daily short drive and can take advantage of the battery range. Otherwise, the Hybrid is your better choice.
Yes, the heat works without the gas engine running, but it does consume energy from your battery which reduces your electric range. However, you can preheat the vehicle while it's plugged in, which the Hybrid can't do, so you have a warm car without losing any range. AC is the same as heat, it draws from the battery, but you can pre-cool your vehicle while plugged in.
Performance in pure EV mode is surprisingly good, even though you theoretically have only about half your horsepower available. Acceleration from a stop is quite good due to the low-end torque of the electric motor, and top speed is 85. I have no problems keeping up with traffic in EV mode, even on steep hills.