Using the equal friction design method, this hvac duct calculator can be used to calculate. Handheld trane ductulator this handy device is the ultimate tool for sizing supply and return duct systems. This free ductulator calculates the exact duct size round and rectangular for the given friction rate, duct type, and amount of airflow. Duct calculator is a powerful tool that provides access to duct calculation and sizing capabilities either.
Duct design 4 calculating friction rate energy vanguard. Trane ductulator with sleeve, duct sizing calculator. The duct sizing calculator is a hand held sliding calculator used for sizing supply and return duct systems using the equal friction, or velocity reduction design. This accurate, easytouse duct size calculator includes scales for friction loss per unit length, air volume, air velocity, round duct diameter and rectangular duct diameters. Online ductulator duct size calculator ductcalc online duct. Select the duct material from the dropdown list most duct sizing tools are typically based on galvanised steel ducting by default enter the air flowrate in litressecond can change to cubic metressecond by use of dropdown to the right of the input. Download electrical systems for building design book pdf. This handy little device allows you to size your new air duct, and better understand what to expect from existing duct work. Ductsizer from daikin calculates the friction loss in a section of duct, or calculates the duct size for a given friction loss. Four ways you might be using an air duct calculator incorrectly.
New duct sizing calculator available from ashrae and adi. How to size an air conditioner return air duct hunker. Velocity duct sizing chart residential main supply trunk ducts, nonzoned systems target velocity of 800fpm used listed by air quantity, round duct size and nearest square duct size 500cfm 11o or 10 x 10 1,300cfm 16o or 14 x 16 600cfm 12o or 10 x 12 1,400cfm 18o or 16 x 16. With single setting, the answer to any duct sizing problem may be read directly from the face of the ductulator. Ductwork sizing, calculation and design for efficiency the. A new ductsizing calculator from ashrae and the air distribution institute adi allows hvac airdistributionsystem designers to size ducts more accurately, especially flex ducts under varying. Online ductulator duct size calculator ductcalc online. New trane ductulator duct sizing calculator slide chart. And it shows the velocity andor static pressure loss of air for both types of duct shape. The duct size calculator is a quick reference tool for approximating duct size and equivalent sizes of sheetmetal duct and flexible duct. Duct designer streamlines duct design and improves calculation precision, letting you optimize your.
The duct calculator app for iphoneipad is a modern take on a the classic duct sizing wheel, allowing you to to quickly and accurately size a new duct or calculate the. Unfortunately, many designers and technicians receive limited instructions on its correct use. Trane ductulator with sleeve, duct sizing calculator by trane. This equalfriction method of duct sizing should be adequate for normal residential furnace heating and air conditioning applications. Buy trane ductulator online at brown technical book shop. Duct noise calculation excel sheet sound attenuation. Sizing of air duct can be done using velocity method, constant pressure loss method and static pressure recovery method. Hello, i have been forced to calculate some ductwork pressure drop by hand and ran into some inconsistancies. This durable twosided plastic sizing wheel comes with a complete instruction manual for residential and commercial duct sizing procedures. The air duct calculator, or ductulator, is a commonly used tool for.
Air ducts spreadsheet template the velocity method. Maybe you have knowledge that, people have search numerous. Full worked example included with cfd simulations to optimise your design to ensure the highest energy efficiency. Duct noise occurs after the hvac system comes on and the conditioned air begins rushing through the ductwork on its way to being delivered in your home. Heat conduction and thermal resistance for steady state conditions and one dimensional heat transfer, the heat q conducted through a plane wall is given by. Mar 23, 2020 a pdf book for design electrical systems in building such as low current and lighting. It calculates both rectangular and round duct dimensions. Maybe you have knowledge that, people have search numerous times for their chosen novels like this duct sizing guide using ductulator, but end up in harmful downloads.
Equivalent diameter is the diameter of a circular duct with similar. Mar 12, 2018 the air duct calculator, or ductulator, is a commonly used tool for designing and installing duct systems. Micrometl has produced a high quality video demystifying its purpose. These charts focus on the range of temperatures most suitable for comfortcooling hvac. This shopping feature will continue to load items when the enter key is. Duct designer streamlines duct design and improves calculation precision, letting you optimize your designs. The velocity method can be done manual or more or less semi automatic with the spreadsheet template. It is designed for calculating and sizing duct dimensions according to air volume cfm, roughness, velocity, etc. Ductsize lets you create a complete duct system from start to finish, and gives you control over every aspect of the design. This is a tutorial video that explains how to size a duct system for a house. Duct size how to size a duct system for a house youtube. Hvac pre design 3 preliminary layout continued and duct.
The noises are usually caused when the thin sheet metal of the ductwork expands to accommodate the sudden change in pressure caused by the airflow. One side uses english units, the other side uses metric. A pdf book for design electrical systems in building such as low current and lighting. Air duct sizing calculator slide chart hvac ductulator buy it now only. Read round duct diameter inches and friction loss per 100 of duct inches of water. Four ways you might be using an air duct calculator. Each of these applets can be used individually or combined to provide a complete duct. Provides the following information with one setting. Duct calculator is a powerful tool that provides access to duct calculation and sizing capabilities either as a standalone windows program or from within the autodesk building mechanical design environment.
Heat conduction and thermal resistance for steady state conditions and one dimensional heat transfer, the heat q. So i broke out my 1989 copy of the trane blue book. The program consists of three subprograms or applets. Friction per 100 feet of duct velocity fpmair volume cfm round duct sizerectangular equivalent dimensions. Read round duct diameter inches and friction loss per 100 of duct. Online ducting calculator to find the diameter of duct size. Duct crosssectional area, air flow rate and air speed are used in calculating the duct size. This equalfriction method of duct sizing should be adequate for normal. Rectangular duct is rounded up to the nearest 14 inch. Enter friction loss per 100 of duct inches of water, duct airflow cfm, duct length and the number of bends. It is designed for calculating and sizing duct dimensions according to air volume cfm, roughness, veloci stay safe and healthy. It works with ip units united states, united kingdom and metric units canada, europe, russia, middle east, asia. This ductulator uses the colebrook equation to calculate the smallest duct size acceptable for the selected friction rate and duct type that stays within the. Sizes metal ducts, lined metal ducts, duct board airways, and wire helix flexible ducts.
Properly sizing and installing your air conditioning system are important in making sure your air conditioner operates efficiently, according to the u. The ductulator duct sizing calculator is a hand held rotating calculator used for sizing supply and return duct systems using the equal friction design method. Enter duct airflow cfm, duct velocity fpm, duct length and the number of bends. Hvac airductsizing trane ductulator contractor book warehouse. The velocity method can be done manual or more or less semi automatic with the spreadsheet template below. Compute the necessary air volume flow m 3 s, cfm in every room. Duct configurator, ductulator and fitting loss calculator. Ductulator calculats duct dimensions using equal friction method or velocity method. Size both round and rectangular ductwork with the ease of a traditional ductulator. Trane ductulator with sleeve, duct sizing calculator by. For individuals without internet access, duct sizing calculators can be purchased at local hardware stores.
The equal friction method for sizing air ducts is often preferred because it is quite easy to use. Residential main supply trunk ducts, nonzoned systems. Duct sizing needs a ductulator or software but this excel calculator performs the same calculations. Larger volumes or higher static pressures should be dealt with on an individual. This lack of instruction frequently results in duct systems that fail to perform as intended.
Details about air duct sizing calculator slide chart hvac. Jul 03, 2018 duct sizing, duct calculation, duct design, energy efficient ductwork design. Unless within 2%, the diameter is rounded up to the nearest inch. Instructions anddesign data are imprinted on calculator.
Hvac pre design 3 preliminary layout continued and duct sizing. Ductulator calculator air duct velocity calculator. Acca duct calculation slide rule builders book, inc. It will automatically adjust the size to keep from exceeding the maximum manual d velocities for residential duct systems. In the next article, well see how friction rate translates to duct sizes and how a duct sizing calculator works. A simple duct calculator, pocket size, forsizing air distribution systems by the equal friction method. This ductulator uses the colebrook equation to calculate the smallest duct size acceptable for the selected friction rate and duct type that stays within the selected acca manual d recommended velocities. Read book duct sizing guide using ductulator duct sizing guide using ductulator thank you for reading duct sizing guide using ductulator. Air duct calculator duct velocity duct airflow fpm cfm duct diameter round inches of water inches friction loss per 100 of duct flexible duct friction loss calculator sheet metal duct friction. For professional reports, use this electronic psychrometric chart tool. Duct calculator is a powerful tool that provides access to duct calculation and sizing capabilities either as a standalone windows program or from within the autodesk building mechanical design. Includes scales for friction loss per unit length, air volume, air velocity, round duct diameter, and rectangular duct diameters. Duct sizing calculator is hand held rotating calculator used for sizing supply and return duct systems using the equal friction design method.
Online ductulator ocean hvac, manualj load calculator. Includes different duct types and both major unit systems. You can make ads in the engineering toolbox more useful to you. Friction per 100 feet of duct velocity fpmair volume cfm round duct size rectangular equivalent dimensions inches. This online air duct calculator is used to calculate the velocity of air flow feet per minute fpm, and feet per second fps through any shaped circle, square or. For a given rectangular duct size on a ductulator, the velocity doesnt match up with what you would typically calculate as an average duct velocity. New ductsizing calculator available from ashrae and adi.
It will automatically adjust the size to keep from exceeding the maximum. Marinsoft makes it easy for you to test drive marinsoft duct calculator at your leisure with the fully functional evaluation version. Duct design calculator wheel this duct calculator is the technicians favorite. Using the equal friction design method, this hvac duct calculator can be used to calculate the equivalent round duct dimensions from rectangular duct dimensions. These charts focus on the range of temperatures most suitable for comfortcooling hvac applications, and include the trane coil curves, which depict the condition of the air leaving a cooling coil. Residential duct sizing guide the following duct sizes are based on a fraction drop of. The duct calculator app for iphoneipad is a modern take on a the classic duct sizing wheel, allowing you to to quickly and accurately size a new duct or calculate the performance of an existing duct on your ios devices. Duct calculator app for iphone and ipad pheinex, llc.
1036 956 555 1193 882 1245 340 1340 1144 1341 881 1510 145 11 91 1517 1505 1220 98 618 1289 613 570 1563 1472 517 174 428 931 1112 1357 703 1285 1091 335