| Previous Heating System: | Cast Iron Boiler |
| Previous Hot Water: | Tankless Coil in Boiler |
| Current System 2000: | EK1 |
| Current Hot Water: | 40 gallon tank |
| Annual GHG Savings: | 10011 |
| 30 year saving greenhouse gases: | 300,330 lbs CO2 |
| Previous Fuel Costs: | $3,150 |
| Current Fuel Costs: | $1,882 |
| Annual Savings: | $1,268 |
| 30 Year Savings: | $38,052 |
| Homeowner Comments: |