HVAC Spools vs Duct Construction Usage & Stats

The easy and fast app to record, monitor and calculate and control the weights for HVAC ducts (Type: Rectangular, reducer and Elbow) during Estimation or Construction phase. You are able to add as much as you want buildings or sections, then for each buildings you can add any type of ducts mentioned above. By providing the dimensions, it will calculate the weights with reference to the densities of galvanized sheet, flanges, angles and Stiffeners. automatically will add stiffeners if required in according to the size of ducts. For each section, the total weights, the total length for flanges and stiffeners, angles and the galvanized sheet area will be calculated.

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Duct Construction

Get all duct construction and reinforcement options by entering the duct size and system pressure class. The aim of the app is to save time spent browsing through tables and texts to determine suitable options, by relying on the most widely used standards and providing a condensed list of available duct construction options. The results are based on galvanized steel duct sheets conforming to ASTM A653 & A924. The app does not cover all aspects of duct construction, as it is intended as a guide; Reliance on related standards, as well as good engineering sense is the basis for proper design. Features: 1. Duct sizes from 2" to 120" 2. Pressure classes 0.5 in.wg, 1 in.wg, 2 in.wg, 3 in.wg and 4 in.wg. 3. Provides the duct weights for each option per linear foot. 4. Provides required duct gauge and reinforcement spacing. 5. Clear illustration for each reinforcement type, as well as dimensions. 6. Simple and effective UI design. Roadmap / Upcoming updates: 1. SI units. 2. More pressure class options. 3. User will be able to save and retreive duct data for future reference. 3. More Reinforcement options, including tie-rodding. Request a feature: welmurr@icloud.com