HVAC design tools include such popular items as the Trane Ductulator™, psychrometric charts, and load estimating forms.
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- Ductulator - Hand held rotating calculator used for sizing supply and return duct systems using the equal friction design method. Includes scales for friction loss per unit length, air volume, air velocity, round duct diameter, and rectangular duct diameters. One side uses English units, the other side uses Metric units. Includes a protective sleeve with ASHRAE recommended design air velocities for system components/applications. $10
- Psychrometric Chart - std. altitude, 8.5' x 11' pad of 25. $5
- Psychrometric Chart - std. altitude, 11' x 17' pad of 25. $7.50
- Psychrometric Chart - std. altitude, 11' x 17' laminated chart. $15
- Psychrometric Chart - high altitude (24 in. Hg), 8.5' x 11' pad of 25. $5
- Psychrometric Chart - std. altitude, 8.5' x 11' pad of 25, SI units. $7.50
- Psychrometric Chart - std. altitude, 11' x 17' pad of 25, SI units. $7.50
- Psychrometric Chart - std. altitude, 11' x 17' laminated chart, SI units. $15
- Equilibrium Chart for Lithium Bromide Solutions - 11' x 17' laminated chart. $15
I show how to use a ductulator.Attention: Do not try any of what you see in this video at home. It takes at least two years of HVACR schooling to become qual. HVAC Duct Sizer Features. The Duct Sizer app is a universal app, meaning that it works on both your iPhone and iPad and adjusts its screen size accordingly. The app is optimized for Apple iOS 13 and the high resolution screens of the latest iPhone 11 models. You can specify the total airflow in CFM (or L/s), the aspect ratio, and either the. The Ductulator is a simple program for air duct sizing. It is used for sizing supply and return duct systems using the equal friction or equal velocity design methods. You chose the design method and enter the input data ( Air flow CFM, Friction loss or velocity, Duct depth ) and on the right hand side you get the output data ( Duct diameter. Think of this application as a digital version of the classic Trane Ductulator. App Details Version. Rating (3) Size. This app now works on your iPhone and iPad and adjusts.
These handy devices/programs allow you to calculate Areas, Velocities, Flowrates, Pressure Losses and a load more design criteria either using a simple hand held circular slide rule type device …. Kerala house plans dwg free download. or more recently apps for your Android or Apple device.
I have not personally tested the latter and would welcome feedback on anyone who has. Some of the web feedbacks on these are not good – but the ones selected below appear to have reasonable feedback.
Android Apps (2021 prices)
- Duct Calc Elite £5.99 Duct Calc Elite
- HVAC Duct Sizer £4.49 HVAC Duct Sizer
Apple App
- Ductulator – Duct Sizer £4.99 Ductulator – Duct Sizer
How To Use A Trane Ductulator
For the manually operated (well known) circular Trane Ductulator – you will need to search eBay. It will probably be eBay USA (where I bought mine) but even with shipping the total cost was around £16.