In an effort to use what heat and energy is already in the house, I installed one of these.
http://www.homedepot.com/p/Deflect-o-Extra-Heat-Dryer-Heat-Diverter-EX12/100167911
I understand along with this will come extra moisture in the house. Fortunately, our dryer is in the same room as our Geospring hot water heater. This WH uses the air temp to heat the water, see my write up on here about it. The by product is it is a dehumidifier also. So, they will balance each other out and maybe add some heat to the house when drying cloths.
Also, we had AEP select us to review our heater install from the $500 rebate with submitted. They wanted to ensure we had the work done and that it was correct. This is our second $500 rebate with them this year. I can understand. The guy was very cool and did a home assessment while he was here. I didn't know that attic insulation should be R30. Ours is R13. He said in this area, R49 would save us huge money, and there are rebates out there for doing it. I had no idea. So now we are working on that. With that, wherever there is a hole for wires, piping, or whatever, we are sealing around it with spray foam. Then we will lay down R30 and then spray R19 spray insulation over it. For the basement, we are doing similar sealing with spray foam. I found a huge area that was not insulated at all.
I thought we were good on this stuff and didn't know what to look for, or what should be what. Now to do the work and look for the savings.