Productivity

HVAC Calculator allows performing different calculations for HVAC systems engineering.

The program is a complex, unique by its size and content, comprising **70** calculations, vital for any HVAC engineer.

Now all the most up-to-date calculations are readily available for you, perform calculations anywhere: at a construction site, in negotiating, in a transport, office, auditorium etc.

You can select **Imperial** or **Metric** units in the program.

This program is also available **online for PC**: http://www.softhvac.com/hvac-calculator

• Air velocity in terms of diameter.

• Air velocity in terms of dimensions.

• Air velocity in terms of area.

• Air flow in terms of diameter.

• Air flow in terms of dimensions.

• Air flow in terms of area.

• Mass air flow rate.

• Volume air flow rate.

• Selection of the duct diameter.

• Selection of the rectangular duct dimensions.

• Friction pressure drop in the circular duct.

• Friction pressure drop in the rectangular duct.

• Pressure drop in terms of local losses.

• Circular orifice diameter.

• Circular orifice dimensions.

• Fluid velocity.

• Fluid flow in terms of diameter.

• Fluid flow in terms of capacity.

• Capacity in terms of diameter.

• Capacity in terms of fluid flow.

• Selection of the pipeline diameter in terms of flow.

• Selection of the pipeline diameter in terms of capacity.

• Pipeline frictional pressure drop.

• Pressure drop in terms of local losses.

• Throttling orifice diameter.

• Valve Kv.

• Valve pressure drop.

• System volume change.

• Pipeline thermal extension.

• Internal face temperature of the guarding.

• Single material guarding heat transmission resistance.

• Two materials guarding heat transmission resistance.

• Capacity for air heating.

• Air cooling capacity by coil temperature.

• Air cooling capacity by relative humidity.

• Air cooling capacity by enthalpy.

• Fan electric motor capacity.

• Available pressure for natural ventilation.

• Air flow in terms of heat emission.

• Air flow in terms of humidity exudation.

• Water flow for air steam humidification.

• Capacity for air steam humidification.

• Moisture content in the air in terms of enthalpy.

• Moisture content in the air in terms of relative humidity.

• Air enthalpy in terms of moisture content.

• Air enthalpy in terms of relative humidity.

• Air relative humidity in terms of moisture content.

• Air relative humidity in terms of enthalpy.

• Air mixture temperature.

• Air mixture moisture content.

• Air mixture enthalpy.

• Air mixture relative humidity.

• Air density.

• Air specific heat.

• Steam saturation pressure in terms of temperature.

• Steam saturation pressure in terms of moisture content.

• Barometric pressure.

• Partial pressure.

• Dewpoint temperature.

• Wet bulb temperature by relative humidity.

• Wet bulb temperature by enthalpy.

• Water density.

• Water specific heat.

• Water kinematic viscosity.

• Steel pipeline weight.

• Surface area of the circular section insulation.

• Surface area of the rectangular section insulation.

• Surface area of the circular duct.

• Surface area of the rectangular duct.

• Equivalent diameter.

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