| Previous Heating System: | Cast Iron Boiler |
| Previous Hot Water: | Tankless Coil |
| Current System 2000: | EK1 Frontier Heat & Hot Water |
| Current Hot Water: | 40 gallon tank |
| Annual GHG Savings: | 5547 |
| 30 year saving greenhouse gases: | 166,410 lbs CO2 |
| Previous Fuel Costs: | $2,276 |
| Current Fuel Costs: | $1,574 |
| Annual Savings: | $703 |
| 30 Year Savings: | $21,084 |
| Homeowner Comments: |