i just moved into a brand new house that is only about 1700sq feet. The house is located in southern MO. I just received my first months bill for electric, and it was $359, and showed that i had used 3700KW! This is way too much for a house this size. I do not leave lights, tvs, or computers on, and I usually keep my stat set on 67-68, and turn it down to 62 when i leave. When comparing to my parents house which is larger, older, and has an upstairs and downstairs, they only used 2000kwh this month, and they set the heat much higher.
I had my hvac guy come out and check out the entire system today, including the water heater and he did not find any issues. He also did not find an issue with my Tstat, but he is going to replace it with a different model anyway as he did not know much about the one i had. My current t-stat is a Robertshaw 9420, which has the two stage heating. My furnace is a Goodman furnace. He set my first stage differential on 3 and said it may help with energy usage. He also suggested that i not turn the heat down when i leave for the day.
I also had the city come out and check my meter and they said it was working correctly.
Do you guys have any thoughts on the recommendations above? Do you know much about the 9420 tstat and is this a known issue with these?
Thanks for any help.