New
HVAC Calculator

The application allows performing various calculations for HVAC systems engineering.
The application is a complex, unique by its size and content, comprising 85 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.
Pro version contains 85 types of calculations, whereas Lite has got 38.
You can select Imperial or Metric units in the application.
System requirements:
- iOS 9 or later.
- Compatible with iPhone.
- Languages English, French, German, Portuguese, Russian, Spanish.
License:
- Paid - Pro version, contains full set of functions.
- Free - Lite version, contains limited set of functions.
- Use the application at any place.
- Carry out single and complex calculations thanks to vast range of calculations.
- Do the quick calculation selection by means of navigation at calculations sections.
- Use the memorizing tools for quick save and calculation results applying.
- Mark the calculations as Favorite.
- Use suitable system of units: imperial or metric.
- Use the math calculator for additional calculations.
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application functional capability table
Function | Lite | Pro |
Aerodynamics | ||
Mass air flow rate | – | ● |
Volume air flow rate | – | ● |
Selection of the duct diameter | – | ● |
Selection of the duct dimensions | – | ● |
Circular orifice diameter | – | ● |
Circular orifice dimensions | – | ● |
Air velocity in terms of area | – | ● |
Air flow in terms of area | – | ● |
Air velocity in terms of duct diameter | ● | ● |
Air velocity in terms of duct dimensions | ● | ● |
Air flow in terms of duct diameter | ● | ● |
Air flow in terms of duct dimensions | ● | ● |
Friction pressure drop in the circular duct | ● | ● |
Friction pressure drop in the rectangular duct | ● | ● |
Pressure drop in terms of local losses | ● | ● |
Hydraulics | ||
Fluid flow in terms of capacity. Water | – | ● |
Fluid flow in terms of capacity. Glycol | – | ● |
Capacity in terms of pipeline diameter. Glycol | – | ● |
Capacity in terms of fluid flow. Water | – | ● |
Capacity in terms of fluid flow. Glycol | – | ● |
Selection of the pipeline diameter in terms of fluid flow | – | ● |
Selection of the pipeline diameter in terms of capacity. Water | – | ● |
Selection of the pipeline diameter in terms of capacity. Glycol | – | ● |
Pipeline frictional pressure drop. Glycol | – | ● |
Pressure drop in terms of local losses. Glycol | – | ● |
Throttling orifice diameter. Water | – | ● |
Valve Kv | – | ● |
System volume change. Water | – | ● |
System volume change. Glycol | – | ● |
Pipeline thermal extension | – | ● |
Fluid velocity | ● | ● |
Fluid flow in terms of pipeline diameter | ● | ● |
Capacity in terms of pipeline diameter. Water | ● | ● |
Pipeline frictional pressure drop. Water | ● | ● |
Pressure drop in terms of local losses. Water | ● | ● |
Valve pressure drop | ● | ● |
Heating | ||
Two materials guarding heat transmission resistance | – | ● |
Internal face temperature of the guarding | ● | ● |
Single material guarding heat transmission resistance | ● | ● |
Ventilation | ||
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 | – | ● |
Water flow for air steam humidification | – | ● |
Capacity for air steam humidification | – | ● |
Capacity for air heating | ● | ● |
Air flow in terms of heat emission | ● | ● |
Air flow in terms of humidity exudation | ● | ● |
Air properties | ||
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 | – | ● |
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 | ● | ● |
Fluid properties | ||
Freezing point. Glycol | ● | ● |
Density. Water | ● | ● |
Density. Glycol | ● | ● |
Specific heat. Water | ● | ● |
Specific heat. Glycol | ● | ● |
Kinematic viscosity. Water | ● | ● |
Kinematic viscosity. Glycol | ● | ● |
Condensation temperature. Refrigerant | ● | ● |
Boiling temperature. Refrigerant | ● | ● |
Condensation pressure. Refrigerant | ● | ● |
Boiling pressure. Refrigerant | ● | ● |
Engineering geometry | ||
Surface area of the circular section insulation | – | ● |
Surface area of the rectangular section insulation | – | ● |
Equivalent diameter | – | ● |
Steel pipeline weight | ● | ● |
Surface area of the circular duct | ● | ● |
Surface area of the rectangular duct | ● | ● |