HVAC Pipe Sizer vs TouchDraw 2

The "HVAC Pipe Sizer - Gas Plus" application allows you to quickly size a simple low (less than or equal to 1.5 psi) and/or high (greater than 1.5 psi) pressure gas piping system by inputting a number of piping and gas properties. This application combines the functionality of our popular "HVAC Pipe Sizer - Gas Low" and "HVAC Pipe Sizer - Gas High" applications. This app is now a universal app meaning that it works on both the iPhone and iPad and adjusts its screen size accordingly. For low pressure gas piping, you can specify the total gas flow in ft3/hr (m3/hr) and one of either pressure drop (in. wg or Pa), pipe internal diameter (inches) or gas velocity (ft/s) parameters. The results include both the exact and nominal pipe diameters and the calculated velocity and total pipe equivalent length. If you are analyzing an existing pipe system, there is an option to input the existing pipe internal diameter and one of either pressure drop or gas velocity parameters to derive the calculated gas flow and other remaining properties. For high pressure gas piping, you can specify the total gas flow in ft3/hr (m3/hr), the upstream pressure (psig or kPa), and one of either downstream pressure (psig or kPa), pipe internal diameter (inches) or gas velocity (ft/s) parameters. The results include both the exact and nominal pipe diameters and the calculated velocity and total pipe equivalent length. If you are analyzing an existing pipe system, there is an option to input the existing pipe internal diameter, the upstream pressure, and one of either downstream pressure or gas velocity parameters to derive the calculated gas flow and other remaining properties. You can specify additional parameters such as the type of gas, various properties of the gas, the pipe material type, the total length of pipe, quantities for up to 11 different types of pipe fittings, and much more. You can also choose to display values in either english or metric units. This application includes built-in pipe fitting equivalent length and nominal pipe sizing tables for a wide variety of pipe material types and diameters. This application uses slider controls that allow you to quickly increment or decrement the input values and immediately observe the calculated results. You can also manually input exact values. This app now includes the HVAC Equipment Locator. Click here for details: http://bit.ly/1yTq539 The "HVAC Pipe Sizer - Gas Plus" application was designed by Carmel Software Corporation, a leader in HVAC design software since 1995. In fact, Autodesk (the makers of AutoCAD) acquired our load calculation software and incorporated it into their leading 3D modeling software called Revit. In addition, we developed a number of customized apps for ASHRAE, DNV GL, and other organizations. We also offer the following additional apps for the iPhone and iPad: 1. HVAC Residential Load Calcs for iPhone and iPad 2. HVAC Quick Load Plus 3. HVAC Quick Load 4. HVAC Toolkit 5. HVAC Pipe Sizer – Gas Low Pressure 6. HVAC Pipe Sizer - Gas High Pressure 7. HVAC Pipe Sizer – Liquid 8. HVAC Pipe Sizer – Steam 9. Steam Tables 10. Psychrometric Plus 11. Psychrometric LT 12. HVAC Pipe Sizer Plus 13. HVAC Pipe Sizer Gas Plus 14. HVAC Toolkit Ultimate 15. HVAC Equipment Locator 16. HVAC ResLoad-J 17. HVAC Psych HD

TouchDraw 2 brings the power of vector drawing and diagramming to your iPad and iPhone with an interface that's easy to learn and satisfying to master. Whether you're sketching out ideas, diagramming a process, or drafting a technical layout, TouchDraw gives you the flexibility to work quickly and precisely, without unnecessary complexity. From the first tap, TouchDraw 2 feels intuitive. Use familiar multi-touch gestures and Apple Pencil to draw shapes and lines naturally. Smart guides, snap-to-grid tools, and shape recognition help beginners create polished results, while more advanced users can take advantage of layers, dimension lines, and connectors that stay intelligently linked as you move elements. TouchDraw is perfect for countless scenarios—flowcharts, floor plans, mind maps, technical drawings, illustrations, and more. It adapts to your needs without locking you into a specific workflow. This version includes a free 7-day trial, after which you can unlock the full experience with a one-time purchase. No subscriptions, no recurring fees—just a single payment to own it forever. Key Features: * Designed for touch and Apple Pencil with an intuitive, gesture-based interface * Smart shape recognition and snapping tools for easy alignment and layout * Layers, dimensions, and connector lines for detailed, organized drawings * Ideal for diagrams, plans, charts, illustrations, and other 2D visuals * Import/export to SVG, PDF, PNG, and Visio® formats; iCloud Drive support Includes a free 7-day trial with a one-time purchase to unlock the full app