Design Tools Duct Sizer Version 6.4 Free Download

[Boleslao Drinker]

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Daikin Applied is your source for design tools and expertise to help you optimize your HVAC system design. Daikin Tools Suite for Engineers DST selection software allows you to easily leverage the engineered flexibility of Daikin Applied products by quickly sizing and selecting equipment. Once you have made your selections, with just a couple of clicks, you can auto-generate customized BIM/Revit models and complete specifications in CSI specification format. In addition, the software creates dimensional drawings in DWG or DXF format, as well as detailed equipment schedules. You can export your selections to your Daikin Applied Representative via e-mail for review and budget pricing. Likewise, you can import the selections into your Daikin Tools program once the final selections are e-mailed back to you. For access to Daikin Tools and the DST software, please contact your local Daikin Sales Representative.

Ductsize lets you create a complete duct system from start to finish, and gives you control over every aspect of the design. You can let the program size all the ducts for you (using three different sizing methods), or enter your own sizes to analyze an existing design. Or you can do any combination of the two, where you specify the duct sizes through tight areas where there is little room for ductwork, and let the program calculate the sizes everywhere else. If you are an engineer or HVAC designer who wants to step up to the ultimate in a duct sizing program, then Ductsize is for you.

Ductsize quickly calculates optimal duct sizes using either the static regain, equal friction, or constant velocity method. Data entry can be accomplished manually or taken graphically from either Drawing Board or 32-bit versions of Autodesk Building Systems 2006 or 2007, or 32-bit AutoCAD MEP 2008 to 2012 . Duct sizes can be calculated on a round, rectangular, and flat oval basis. Noise levels and required attenuation are printed for each runout duct. A library of fan data for noise calculations is built into the program. Ductsize allows an unlimited number of duct sections, and is suitable for both constant volume and VAV systems as diversity is accounted for. Ductsize also has an option for specifying duct height and width constraints to control sizes. This feature is also useful for analyzing problems in existing systems where the duct sizes are already specified. Ductsize is based on the design procedures given in the ASHRAE Handbook of Fundamentals and the SMACNA HVAC Systems Duct Design Manual. Important new features include a Project Explorer and corresponding report that provide a tree-style graphical representation of all trunks and runouts in the project. In addition, both supply and return duct systems can be entered in the same project.

The Ductsize Program is based on the design procedures given in the ASHRAE Handbook of Fundamentals, the ASHRAE Duct Fitting Database, and the SMACNA HVAC Systems Duct Design manual. The program can calculate using either the static regain, equal friction, or constant velocity methods. The user's manual gives detailed information on the exact equations used, and explains how to manually verify program results.

All input data is checked at the time of entry so that no improper data can be entered. Four types of data are requested: general project data, system and fan data, trunk data, and runout data. The general project data includes the project name, location, client name, duct material, desired sizing method, and more. The fan system data includes the fan type, minimum and maximum allowable air velocities, desired noise levels and more. The trunk and runout data includes such information as duct length, connection numbers, material type, insulation R-values, fitting quantities, runout cfm values, and any duct height and width constraints. Optionally, input data can be taken directly from a duct drawing file created in 32-bit versions of Autodesk Building Systems 2006 or 2007, or 32-bit AutoCAD MEP 2008 to 2012, or from Ductsize's own Drawing Board window.

Ductsize provides four basic output reports: general project data, trunk and runout sizing information, and noise analysis. In addition to these reports, if you also purchase Drawing Board you can print out the floor plan view of your duct system, complete with duct and fitting names, flow arrows, and register sizes and orientation.

The Static Regain version of Ductsize can import duct systems from a dwg file created with 32-bit versions of Autodesk Building Systems 2006 or 2007, or 32-bit AutoCAD MEP 2008 to 2012. You simply click on the main trunk of the system you want to import from the dwg, and Ductsize then imports all the duct information from that system of duct objects. Then Ductsize will calculate duct sizes and pressure loss information and automatically assign this data back to the objects on the dwg. Then you can click "Resize System" in ABS or AutoCAD MEP and it will update the drawing and redraw the ducts and fittings with the sizes that Ductsize calculated. This powerful and easy to use feature is only fully enabled in the Static Regain level of Ductsize, but is included with the Demonstration and Equal Friction versions as well in a limited form so you can try it out.

Occupant comfort is the goal of all HVAC designers. Sound (or noise) is a key parameter in measuring comfort, in addition to temperature, humidity and Indoor Air Quality (IAQ). While acoustics consultants are usually involved in critical applications (such as performing arts centers), the task of creating a comfortable acoustic environment in most other applications falls on the HVAC engineer. This is because most background sound sources are generated by the HVAC equipment.

The McQuay Psychrometric Analyzer is an innovative tool designed to enhance HVAC system design and optimization. This advanced software provides accurate and comprehensive analysis of psychrometric processes, enabling professionals to make informed decisions about system performance and energy efficiency. With the McQuay Psychrometric Analyzer, users can easily evaluate air conditioning systems, heat pumps, and other HVAC equipment, ensuring optimal performance and energy savings. This tool is a must-have for HVAC engineers and technicians seeking to improve system design and reduce energy consumption.

The McQuay Duct Sizer software benefits HVAC system designers and engineers by providing a reliable and efficient means of sizing duct systems. This leads to improved system performance, reduced energy consumption, and lower installation costs. The software also saves time and reduces errors associated with manual calculations, allowing designers and engineers to focus on other critical aspects of system design.

The McQuay Duct Sizer software is suitable for designing duct systems for a wide range of HVAC applications, including air conditioning, heating, ventilation, and refrigeration systems. It can be used for both commercial and residential projects, and is applicable to various system types, such as constant volume, variable air volume, and dedicated outdoor air systems.

The McQuay Duct Sizer software is designed to be user-friendly and accessible to HVAC professionals with varying levels of experience. However, it is recommended that users have a basic understanding of HVAC system design principles and duct sizing calculations. Additionally, the software may require specific system specifications, such as operating pressures, airflow rates, and duct material properties, to generate accurate sizing calculations.

The McQuay Duct Sizer software is part of a suite of software tools offered by McQuay, which are designed to work together to provide a comprehensive HVAC system design and analysis solution. The Duct Sizer software can be used in conjunction with other McQuay software tools, such as the McQuay Equipment Selector and the McQuay Psychrometric Calculator, to provide a complete and accurate system design.

For the low-static versions, shoot for duct velocities of no more than 400-450 feet per minute, which keeps the static pressures low even in imperfectly implemented ducts. It's fine to taper down for higher velocity at the registers. Mike MacFarland's nomographs of cfm to fps against duct sizing in this blog work pretty well, but his target velocities are more geared toward more powerful air handlers. You'd be working on the left third of the nomograph when using low-static mini-splits:

Consider using an oversized pleated filter on the return side to keep the filter's static pressure low even when filtering to MERV 10 or higher. The low air velocity through an oversized filter improves the filtering action, as well as keeping the static pressures down. (An Aprilaire 2400 isn't insane here, even though it's more commonly used with 1000 cfm+ air handlers.)

Stay away from return registers in the floor, these are garbage magnets. It is always best to have a filter right at the return register. Well sealed filter and return ducts means very little dust getting into your system, no need to ever clean it.

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