The duct size calculator is a quick reference tool for approximating duct size and equivalent sizes of sheetmetal duct and flexible duct. Mar 04, 2020 hvac duct sizer a ductulator free download. A psychrometric chart is a graphical representation of the properties of moist air and is a useful tool in air conditioning calculations. Read round duct diameter inches and friction loss per 100 of duct. It is used for sizing supply and return duct systems using the equal friction or equal velocity design. In looking thru this section, i was reminded of some basics one of which is that i am not a fluid dynamicist. The ductulator is a simple program for air duct sizing. This equalfriction method of duct sizing should be adequate for normal residential furnace heating and air conditioning applications.
Duct design quick introduction duct sizing tools and methods recommended duct velocities and noise effects duct fitting pressure losses. The velocity method can be done manual or more or less semi automatic with the spreadsheet template. It works with ip units united states, united kingdom and metric units canada, europe, russia, middle east, asia. Ordinary heating, ventilating, and air conditioning duct systems read air pressures at 0. 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. Each of these applets can be used individually or combined to provide a complete duct analysis. The duct sizing calculator is a hand held sliding calculator used for sizing supply and return duct systems using the equal ductulatoor, or velocity reduction design method. Unfortunately, many designers and technicians receive limited instructions on its correct use. Air ducts spreadsheet template the velocity method.
For professional reports, use this electronic psychrometric chart tool. This lack of instruction frequently results in duct systems that fail to perform as intended. Jul 10, 2019 superheat and we have produced many different hvac calculators. If you are even considering replacing ducts make sure whomever you use uses the ductulater or any other proper form of duct calculation. Duct designer streamlines duct design and improves calculation precision, letting you optimize your. The course concludes with the basic instructions for filling out a manual d speedsheet.
It will automatically adjust the size to keep from exceeding the maximum. Residential duct sizing guide the following duct sizes are based on a fraction drop of. Duct calculator elite ducting size calc for hvac duct calculator elite is an industry leading tool designed to simplify the job of duct sizing for hvac professionals. Larger volumes or higher static pressures should be dealt with on an individual. 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 ocean hvac, manualj load calculator. Hvac duct sizer a ductulator a ductulator a duct sizing calculations program for android os, is specially designed by a professional engineer to replace the. We have recently added a new category of products, featuring tech tools designed specifically for the hvac technician. Aug 24, 2019 air duct sizing calculator slide chart hvac ductulator the item youve selected was not added to your cart. 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. Duct design quick introduction duct sizing tools and methods recommended duct velocities and noise effects duct fitting pressure losses do and donts of duct design duct applications as 4254. Download ductulator software for hvac duct sizing for free. Handheld trane ductulator this handy device is the ultimate tool for sizing supply and return duct systems.
Delivery times may vary, especially during peak periods. 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. Heat conduction and thermal resistance for steady state conditions and one dimensional heat transfer, the heat q. The duct sizing calculator is a hand held sliding calculator used for sizing supply and return duct systems using. Duct calculator aladdin metal products curb adapters. 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.
This handy little device allows you to size your new air duct, and better understand what to expect from existing duct work. Using the equal friction design method, this hvac duct calculator can be used to calculate. This equalfriction method of duct sizing should be adequate for normal. Enter friction loss per 100 of duct inches of water, duct airflow cfm, duct length and the number of bends. Do not try any of what you see in this video at home.
And it shows the velocity andor static pressure loss of air for both types of duct shape. These charts focus on the range of temperatures most suitable for comfortcooling hvac. Each of these applets can be used individually or combined to provide a complete duct. We use the ductulater, or wrightsoft computer software. It will automatically adjust the size to keep from exceeding the maximum manual d velocities for residential duct systems. Superheat and we have produced many different hvac calculators. So i broke out my 1989 copy of the trane blue book which explains the ductulators use and duct sizing in general starting on page 283 thru of chapter ix. Shop our store for hvac charts, cooling calculators and related hvac products. It is used for sizing supply and return duct systems using the equal friction or equal velocity design methods. Hvac ductulator pdf air duct and hvac slide charts. Micrometl has produced a high quality video demystifying its purpose. Duct designer streamlines duct design and improves calculation precision, letting you optimize your designs.
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 free mep calculation excel sheets, autocad drawings, and training courses for hvac, firefighting, plumbing and electrical systems design. Duct configurator, ductulator and fitting loss calculator. Calculate the pressure loss of the duct fitting in a 600mm w x. Jul 27, 2019 superheat and we have produced many different hvac calculators. This 3hour hvac training online video series provides guidance on how to properly use a friction chart andor accas duct slide rule values for sizing duct in the field. It takes at least two years of hvacr schooling to become qualified to learn in the field how to. Ductsize lets you create a complete duct system from start to finish, and gives you control over every aspect of the design. Jun 22, 2019 im an amateur, so this simple tool saved me the time, trouble, and mistakes of trying to figure duct sizing without it. Air duct also termed as ductulator is a passage that is used to provide fresh air into rooms, buildings etc. We take pride in offering you a unique product for a fair price. Mar 31, 2020 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 method. Duct sizing needs a ductulator or software but this excel calculator performs the same calculations.
Ductulator calculats duct dimensions using equal friction method or velocity method. The velocity method can be done manual or more or less semi automatic with the spreadsheet template below. Mar 12, 2018 the air duct calculator, or ductulator, is a commonly used tool for designing and installing duct systems. 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 method. The program consists of three subprograms or applets. 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 rectangle ductulator with either diameter, sides or area. Ductulator calculator air duct velocity calculator. Residential main supply trunk ducts, nonzoned systems. Time and trouble saver im an amateur, so this simple tool saved me the time. It is designed for calculating and sizing duct dimensions according to air volume cfm, roughness, velocity, etc. Includes scales for friction loss per unit length, air volume, air velocity, round duct diameter, and rectangular duct diameters. Feb 21, 20 if you are even considering replacing ducts make sure whomever you use uses the ductulater or any other proper form of duct calculation. Any international shipping and import charges are paid in part to pitney bowes inc.
Duct configurator duct configurator sizes and analyzes supply duct systems. This excel program carries out calculation of sizing and dimension of air duct distribution systems. Using the equal friction design method, this hvac duct calculator can be used to calculate the equivalent round duct dimensions from rectangular duct dimensions. Four ways you might be using an air duct calculator. Online ductulator duct size calculator ductcalc online duct. Duct system sizes and airflow quick chart created date. Air duct sizing calculator slide chart hvac ductulator. 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. Enter duct airflow cfm, duct velocity fpm, 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.
Micrometl has produced a high quality video demystifying its purpose and functionality. 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. This free ductulator calculates the exact duct size round and rectangular for the given friction rate, duct type, and amount of airflow. Time and trouble saver im an amateur, so this simple tool saved me the time, trouble, and mistakes of trying to figure duct sizing without it. New duct sizing calculator available from ashrae and adi. Sizing of air duct can be done using velocity method, constant pressure loss method and static pressure recovery method. Online ducting calculator to find the diameter of duct size. Trane td1 ductulator with sleeve, duct sizing calculator. Hvac duct size calculator excel free ductulator mep work. This 3hour hvac training online video series provides guidance on how to properly use a friction chart andor accas duct slide rule values for. Duct calculator is a powerful tool that provides access to duct calculation and sizing capabilities either. Read round duct diameter inches and friction loss per 100 of duct inches of water. Rectangular duct is rounded up to the nearest 14 inch.
New ductsizing calculator available from ashrae and adi. Online ductulator duct size calculator ductcalc online. Jul 15, 2018 duct sizer ductulator for hvac air ducts. Quickly model the conditions for any duct system and. We have recently added a new category of products, featuring tech tools. The duct sizing calculator is a hand held sliding calculator used for sizing supply and return duct systems using the equal.
Oct 17, 2019 delivery times may vary, especially during peak periods. 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. Unless within 2%, the diameter is rounded up to the nearest inch. Im an amateur, so this simple tool saved me the time, trouble, and mistakes of trying to figure duct sizing without it.
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