My system has always be very expensive to run in the heating mode and just this week I installed a multichannel power monitor (www.brultech.com) to see if I could figure out what was going on. Much to my horror I found that the system has been doing much of it's heating using the heat strips (both of them), and the small compressor was being cycled on and off every couple of minutes for hours on end. I suspect the system has not been set up properly. As an electrical engineer I very comfortable with instrumentation but I don't know beans about "real HVAC".
I'd be very interested to hear your experiences and any suggestions on how to find someone that can diagnose my problems.
I must confess to have lost all confidence in the company I've been dealing with. thanks, -john-