Institutional thermodynamic and capital investment model for industrial boiler condensing economizers, wastewater plate heat exchangers, and thermal energy harvesting. Sizes MMBtu/hr recovered thermal capacity, models boiler natural gas fuel displacement, evaluates IRA Section 48 / Section 179D tax deductions, and underwrites 20-year cumulative net present value (NPV) and internal rates of return (IRR).
| Thermal Engineering Metric | Underwritten Value |
|---|---|
| Annual Recovered Thermal Energy | 40,300 MMBtu/yr |
| Equivalent Boiler Horsepower Displaced | 194 Boiler HP (BHP) |
| Parasitic Pumping / Fan Power Load | 18.5 kW (~$16,600/yr electric) |
| Annual Maintenance & Acid Cleaning Reserve | $12,000/yr (316L SS inspection) |
| 20-Year Cumulative Cash Flow | $7,420,000 |