HVAC Design Calculations Formulas Handbook

HVAC Design Calculations Formulas Handbook

HVAC design Calculators Formulas pdf according to Rules of Thumb .There ara a lot of excel sheet  programs on our website, all of these Calculation sheets depends on the ASHRAE and the rules of thumb equations, HVAC systems design designers may needs to look at these formulas to deeply understand the desing process .

HVAC Design Calculations
 HVAC Design Calculations Formulas Handbook


HVAC Design Calculations Formulas Handbook


contents :

  • Cooling and Heating Equations
  • R-Values / U-Values
  • Water System Equations
  • Air Change Rate Equations
  • Mixed Air Temperature
  • Duct work Equations
  • Fan Laws
  • Pump Laws
  • Pump Net Posive Suction Head ( NPSH ) Calculations
  • Air Conditioning Condensate
  • Humidification
  • Humidifier Sensible Heat Gain
  • Expantion Tanks 
  • Air balance Equations
  • Efficiences
  • Cooling Towers and Heat Exchangers
  • Moisture Condensation on Glass
  • Electricity
  • Equations for Flat Oval Ductwork
  • Pipe Expansion Equations
  • Steam and Condensate Equations
  • Steam and Steam Condensate Pipe Sizing Equations
  • Psychrometric Equations
  • Swimmming Pool Heater
  • Domestic Water Heater Sizing
  • Domestic Hot Water Recirculation Pump / Supply Sizing
  • Relife Valve Vent Line Maximum Length 
  • Relife Valve Sizing
  • Steel Pipe Equations
  • Motor Drive Formulas.



All these HVAC Design Calculation Formula pdf are needed for the design of central air conditioning systems.
If you are HVAC designer, htese equations are important for you to understand how the calculation programs work.