COOLING & HEATING EQUATIONS

SENSIBLE HEAT FACTOR or RATIO (SHR)

SUPPLY AIR FLOW RATE

AIR BALANCE EQUATIONS

CALCULATION OF HEATING, COOLING DEGREE DAYS

FUEL CONSUMPTION BY HEATING, COOLING UNITS

AIR CHANGE RATE EQUATIONS

ESTIMATING AIR LEAKAGE

VENTILATION FORMULA

ESTIMATING AIR VOLUME FOR HOODS AND ITS PRESSURE

DUCTWORK EQUATIONS

FAN EQUATIONS

PUMP EQUATIONS

CHILLER HEAT LOAD & WATER FLOW

FRICTION LOSS IN WATER PIPES

COOLING TOWERS

CONTROL VALVE SIZING

HEAT EXCHANGERS

HUMIDIFICATION & DEHUMIDIFICATION

EXPANSION TANKS

TONS OF REFRIGERATION (TR)

ENERGY EFFICIENCY TERMS OF REFRIGERATION SYSTEMS

DECIBEL CALCULATION

STEAM & CONDENSATE EQUATIONS

RELIEF VALVE SIZING

STEEL PIPE EQUATIONS

FLOW COEFFICIENT (Cv) - Formulas for Liquids, Steam and Gases

ELECTRICITY