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Rapid HVAC Duct Sizing Free icon

Rapid HVAC Duct Sizing Free

1.22F for Android

Sipols Software

The description of Rapid HVAC Duct Sizing Free

Throw away your ductulator and get into the 21st century! Rapid HVAC (Heating, Ventilation and Air Conditioning) Duct Sizing takes the trouble out of air conditioning duct and exhaust duct sizing. It is a quick, simple, easy to use tool allowing you to whip out your phone and give an immediate answer, just like a ductulator. You don't need mechanical engineering consultant skills to use it - Rapid HVAC Duct Sizing comes with industry default values preloaded so all you need to do is plug in the air flow rate and spin the wheel to set one dimension. Easy.

It is customisable, with both SI (metric) and imperial units supported plus the target velocity and pressure drop are able to be configured. Just like a ductulator, Rapid HVAC Duct Sizing supports sizing of oval duct and round duct as well as the standard rectangular duct most often used in HVAC services. A flexible duct option (in addition to sheet metal duct) is also available which uses a higher roughness coefficient, to allow flexible duct specification using the app as well. It works for air conditioner (AC) supply duct as well as heating and cooling fan duct, mechanical ventilation, exhaust duct and return duct for all HVAC services applications.

For its calculations, Rapid HVAC Duct Sizing uses a hybrid of the equal friction loss method and constant velocity methods, selecting for an equal friction loss (pressure drop) with a set maximum velocity to avoid acoustic issues. It calculates the friction factor based on the preferred methods of Trane, Carrier, ASHRAE and professional mechanical engineering consultants - by iteratively solving the Colebrook equation for the friction factor based on air flow rate. Through the use of hydraulic diameter, it works as an oval duct and round duct as well as rectangular duct sizer for HVAC services. The maximum air flow rate which can pass through a specified duct size can also be computed. It is suitable for vent and exhaust ductwork, return ductwork, cooling fan duct, heating and air conditioning (AC) duct for HVAC services.

Despite the robust calculations being performed, this calculator is suitable for use by anyone involved with HVAC services. Mechanical engineering consultants use it to save time as a sheet metal duct sizer in accordance with ASHRAE and Trane guides for air conditioner (AC) and cooling fan ductwork sizing. It is great for air conditioner (AC) contractors as an app for checking the HVAC ductwork sizing. HVAC contractors can make changes to sheet metal duct size on site without needing to call in a mechanical engineering consultant. Builders can use it to scrutinise their mechanical contractor's air conditioner (AC) duct and cooling fan duct sizes, making sure they aren't taking up more space than required. Building owners can use this app to check on the mechanical contractor's install to make sure their vent, air conditioner, exhaust and mechanical ventilation systems will work properly.

Designed by mechanical HVAC engineers for air conditioning and fan ventilation applications.

Feature Overview:
• HVAC ductwork sizing using the equal friction loss (pressure drop) method and a maximum velocity using calculations per Carrier, Trane and ASHRAE to a level suitable for mechanical engineering consultants and HVAC contractors
• 3 HVAC ductwork sizing criteria (pressure drop and velocity requirements) included
• Both flexible duct and sheet metal duct are available
• Specify a duct size and you can see the maximum air flow rate which can be put through
• Metric (SI) and Imperial units are both included
• Suitable for mechanical ventilation, exhaust, supply, cooling fan vent duct plus general air conditioning and heating duct
• Oval, circular duct and rectangular duct shapes available
• Quick and simple to use - enter the air flow rate with the keypad then spin the wheel to set the dimensions or circular diameter. Change between pressure drop and velocity criteria with the press of a button.
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Rapid HVAC Duct Sizing Free 1.22F Update

2016-01-28
Tweaks to duct size intervals to better reflect standard sizing increments

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Previous versions
  • V1.22F 2.5 MB APK

    Rapid HVAC Duct Sizing Free

    2016-01-28

    Rapid HVAC Duct Sizing Free 1.22F (15)

    Update on: 2016-01-28

    Uploaded by: Wai Yan Htet

    Requires Android: Android 4.0+ (Ice Cream Sandwich, API 14)

    Signature: 8a3ad488f2604e1164f55a7eb498a867cbf4c502 Rapid HVAC Duct Sizing Free 1.22F(15) safe verified

    Screen DPI: 160-640dpi

    Architecture: universal

    File SHA1: 01a998661d9bdc584c2c44ec8f6e2e6b7cf6af56

    File Size: 2.5 MB

    What's new:

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  • V1.21F 2.5 MB APK

    Rapid HVAC Duct Sizing Free

    2015-12-11

    Rapid HVAC Duct Sizing Free 1.21F (14)

    Update on: 2015-12-11

    Uploaded by: Hung Le

    Requires Android: Android 4.0+ (Ice Cream Sandwich, API 14)

    Signature: 8a3ad488f2604e1164f55a7eb498a867cbf4c502 Rapid HVAC Duct Sizing Free 1.21F(14) safe verified

    Screen DPI: 160-640dpi

    Architecture: universal

    File SHA1: 1a1ff6febcd8666fe3055dac6ded2fd2d4ac7ca0

    File Size: 2.5 MB

    What's new:

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  • V1.20F 2.5 MB APK

    Rapid HVAC Duct Sizing Free

    2015-11-07

    Rapid HVAC Duct Sizing Free 1.20F (13)

    Update on: 2015-11-07

    Uploaded by: Hung Le

    Requires Android: Android 4.0+ (Ice Cream Sandwich, API 14)

    Signature: 8a3ad488f2604e1164f55a7eb498a867cbf4c502 Rapid HVAC Duct Sizing Free 1.20F(13) safe verified

    Screen DPI: 160-640dpi

    Architecture: universal

    File SHA1: 5b7b44ce3bb33f1017044e7773342a9b8186ccfb

    File Size: 2.5 MB

    What's new:

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