I would have to run 2 4 ton units all night to heat my house to 78 in the winter, I keep my thermostat at 72 and have them kick on for a hour in the morning to take the chill off the house. I used to keep them set at 76, but that buried me about $200 into tier 5. I have the same problem in the hot months of the summer with AC, and we do tend to sacrifice tier 5 to keep the house cool in July and August. My tank heaters spin the meter pretty good and I have often thought of building a natural gas water heater heat exchanger system to heat the tanks. A long loop of thin wall Pex style tubing with a special pump on a controller to flow water through this coil of pipe in the sump. This is how Steve Garret keeps over 2000 gallons heated in his outdoor system and is much more efficient than electric heat. I think many of us do not realize how often the heaters are on, the controller log opened my eyes for sure. Anyways I just bought over $2500 in Led bulbs for my house and dropped my bill about $200 a month so I can use a little more power on my fishy friends. I like the Spectrum of the Ecosmart 2700k in the house and replaced 89 50 watt bulbs with 10 watt Led, and 22 90 watts with 18 watt units. You cant look at the bulbs because they are much more harsh, but they light the house quite nice. I long for the days of a $20 swing in the bill, mine can have a $500 swing.
What model of the ecosmart's did you go with? I've tried every single LED bulb at home depot / costco and I can't seem to find a one with a light spectrum that is similar to incandescent bulbs. Most of my recessed lights are on dimmer switches and all the LED bulbs have dimmed terribly. Either I need to replace the dimmer switches (the ones I installed weren't cheap either) with ones made for LEDs or accept they will not dim very well. I've only tried the bulbs, not the retrofit units.