Convenient tool that will simplify the process of sizing ducts in ventilation and air conditioning systems. This sizing rule was created to assist engineers, designers, HVAC technicians and industry professionals in quickly and accurately drawing up the ductwork dimensions needed to ensure optimal performance on their projects.
Itieffe is pleased to present a useful tool that will simplify the process of sizing ductwork in ventilation and air conditioning systems. It makes up for the lack of dedicated software.
This sizing rule was created to assist engineers, designers, HVAC technicians and industry professionals in quickly and accurately drawing up the ductwork dimensions needed to ensure optimal performance on their projects.
Features of the Sizing Rule:
- To print and join: print the two sections, cut out the blue parts and join them.
- Intuitive guidance: The ruler is designed to be an intuitive guide to help you select duct sizes based on your system's specific parameters.
- Wide application coverage: covers a wide range of applications, from residential and commercial systems to industrial plants.
- Automatic calculations: Provides automatic duct size calculations based on airflow, air velocity, and allowable pressure drop.
- Easy conversions: ties in perfectly with the other programs on the Itieffe site that include tools to convert between different units of measurement, making sizing more flexible.
- Optimized design: helps optimize duct dimensions to ensure efficient air flow and avoid energy waste.
Using the Sizing Rule:
- Selection of parameters: Choose the desired airflow, air velocity and allowable pressure drop for your system.
- Automatic sizing: use the ruler to determine the dimensions of the ducts based on the selected parameters.
- Unit conversions: with other programs if necessary, convert between different units of measurement to adapt the dimensions to your needs.
- Optimized design: refines the sizing to obtain optimal performance, avoiding energy waste and respecting sector regulations.
Important Note:
This sizing rule is a support and reference tool. Its use requires adequate knowledge of the specific applications and principles of thermal engineering. We recommend that you consult local regulations and seek approval from industry professionals before applying calculated dimensions in your designs.
Correct sizing of ductwork is critical to the effective operation of HVAC and ventilation systems, and we hope that this ruler will be of great assistance to you in your work and design efforts. You can print and connect the two parts of the ruler for easy use in environments where manual sizing of ductwork is required in your projects.
Instructions for making the ruler
- open the Excel file and print the two color drawings separately
- cut off all the excess dark blue part
- print them on cardboard or laminate them
- drill them in the center and insert a soft rivet so that the parts slide
The air conditioning slider is ready
Good use
Other free programs of the same kind offered by itieffe ▼
- Air conditioning
- Air ducts
- Ventilation systems
- Autonomous air conditioners
- Psychrometric charts
- Air conditioning tables
- Air quality
- Conditioning diagrams & drawings
Duct sizing rule
The program below is free to use.
If you want, you can sign up now by clicking HERE