Symbols
| English meaning | Symbol |
| Apparent extraterrestrial irradiation (W.m-2) | A |
| Absorption chiller | abc |
| Avoided cost ($) | AC |
| Collector area (m2) | Aco |
| Solar angular hour (deg) | AH |
| Analytic hierarchy process | AHP |
| Ambient | amb |
| Annual saving | AS |
| Aggregated thermal demand (kW) | ATD |
| Azimuth angle (deg) | az |
| Atmospheric extinction coefficient (-) | B |
| Boiler | b |
| Boiler size (kW) | B |
| Buying electricity | be |
| Cooling load (kW) | C |
| Ratio of diffuse radiation on horizontal surface to direct normal irradiation (-) | C |
| Combined cooling, heating, and power | CCHP |
| Carbon dioxide emission | CDE |
| Cash flow (USD) | cf |
| Combined heating and power | CHP |
| Closeness number | CN |
| Collector | co |
| Coefficient of performance (%) | COP |
| Main criteria | Cr |
Get Combined Cooling, Heating and Power now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
