| Previous Heating System: | Cast iron oil heat boiler |
| Previous Hot Water: | Tankless coil in boiler |
| Current System 2000: | EK1 Frontier Heat and Hot Water |
| Current Hot Water: | 40 gallon DHW tank |
| Annual GHG Savings: | 6740 |
| 30 year saving greenhouse gases: | 202,200 lbs CO2 |
| Previous Fuel Costs: | $2,548 |
| Current Fuel Costs: | $1,694 |
| Annual Savings: | $854 |
| 30 Year Savings: | $25,620 |
| Homeowner Comments: |