Life’s easier.
Start your easy cost-saving exercise by spotting the perfect duct sizes that match your airflow within seconds
for USD 4.99 only
Duct size optimization has never been so easy.
Available in both Imperial and SI units
Never have to worry about converting between inches and millimeters.
Duct sizes in color scale for easy finding
Say goodbye to eye sores and headaches. Find sizes easily with color scale.
Wide airflow coverage to meet your needs
Find the perfect duct size for airflow from 50 cfm up to 50,000 cfm.
Match your airflow with the best possible duct size.
Many different duct sizes can be used for one airflow rate. Which one should you use?
A cost saver for everyone.
“I use the Cost-Optimized Duct Sizing Chart when designing my ducting system to save the capital cost for my client.”
– Consulting Engineers
“My boss was very happy. I helped him to save cost by reducing total duct square footage using the Cost-Optimized Duct Sizing Chart.
– Project Engineers
“I save money because of the Cost-Optimized Duct Sizing Chart that pointed me to the best possible duct sizes.”
– House Owners
“I created the Cost-Optimized Duct Sizing Chart to help people reduce sheet metals usage thereby reducing carbon emissions and making the world a better place.”
— Yu Chang Zhen, aircondlounge
Cost-Optimized Duct Sizing Chart
Start your easy cost-saving exercise by spotting the perfect duct sizes that match your airflow within seconds
for USD 4.99 only
1% of all proceeds go to fund carbon removal.
Technical Specifications
- Chart format: PDF
- Airflow range: 50 cfm to 50,000 cfm
- Unit: Imperial and SI
Frequently Asked Questions
Is the Cost-Optimized Duct Sizing Chart applicable to me?
Cost-Optimized Duct Sizing Chart is created based on duct sizing method that is fundamentally applicable to people around the world. It is not dependent on geographic location.
How to use the Cost-Optimized Duct Sizing Chart?
Simply print out the Cost-Optimized Duct Sizing Chart and find the suitable duct sizes based on your airflow. The duct sizes are color-scaled from green to red, representing their cost from cheap to expensive.
How to buy?
Click on the buy now button to be directed to SendOwl payment gateway. Enter your name, email address and credit card details to complete the purchase.
When can I get the download link?
Upon payment done, a download link will appear on your screen immediately. In addition, you will also receive an email for payment confirmation including the same download link.
What if I have a problem with the download?
You can contact me by sending an email to [email protected]. I’ll get it sorted out for you.