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Plantman · 02-06-12, 05:40 PM

I have a 3.5 ton geothermal system in a 3000 sq ft cape cod plus a full basement. I use my existing well in my open loop system. My outflow fills my 0.25 acre pond, then flows into the soil, which is very sandy. In N indiana, my bill in the coldest months may hit $250. My house is well insulated with 6in walls. I also have many south facing windows and only one on the north side. Unit cost $8000 installed plus a $2000 tax credit. My house is all electric, so the cost includes hot water, lighting, cooking, TV, computers, etc. I also pump water to a 15 x 75 ft greenhouse in the spring and summer. In 2009, I spent $1500 for 15831kwh for the entire year. The house was only 2200 sq ft then. I have since put on an addition. Considering adding solar space heating using hot water, but my costs are so low now, I will need a good ROI to make it worthwhile.

02-06-12, 05:40 PM	#33
Plantman Lurking Renovator Join Date: Feb 2012 Location: Angola, IN Posts: 24 Thanks: 0 Thanked 4 Times in 3 Posts	Love my geothermal I have a 3.5 ton geothermal system in a 3000 sq ft cape cod plus a full basement. I use my existing well in my open loop system. My outflow fills my 0.25 acre pond, then flows into the soil, which is very sandy. In N indiana, my bill in the coldest months may hit $250. My house is well insulated with 6in walls. I also have many south facing windows and only one on the north side. Unit cost $8000 installed plus a $2000 tax credit. My house is all electric, so the cost includes hot water, lighting, cooking, TV, computers, etc. I also pump water to a 15 x 75 ft greenhouse in the spring and summer. In 2009, I spent $1500 for 15831kwh for the entire year. The house was only 2200 sq ft then. I have since put on an addition. Considering adding solar space heating using hot water, but my costs are so low now, I will need a good ROI to make it worthwhile.