| 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: | 6785 |
| 30 year saving greenhouse gases: | 203,550 lbs CO2 |
| Previous Fuel Costs: | $2,332 |
| Current Fuel Costs: | $1,473 |
| Annual Savings: | $860 |
| 30 Year Savings: | $25,788 |
| Homeowner Comments: |