Heating a house....

I live in a 1000 square foot house which was built in the 1950's without insulation yet had a propane monitor and a wood stove, its in southern Oregon in the sticks as well. Last summer I had both blown in and batt insulation from the ground up including vapor barrier and insulation under the floors to the attic, removed the propane unit and installed a small heat pump, no vents above on the wall of the living room. My electric bill has gone down a few bucks, I haven't used the wood stove this year and at 4 this morning got up outta bed and turned the thermostat down to 67 from 71 because I was sweating in bed.