| 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: | 12884 |
| 30 year saving greenhouse gases: | 386,520 lbs CO2 |
| Previous Fuel Costs: | $5,631 |
| Current Fuel Costs: | $3,998 |
| Annual Savings: | $1,632 |
| 30 Year Savings: | $48,972 |
| Homeowner Comments: |