Booster system sizing can be difficult. That’s why there’s calQflo®!

In less than 10 minutes, engineers can “click & pick” variable speed plumbing solutions using QuantumFlo’s exclusive online sizing and selection configurator: calQflo®.


    • Accessible from anywhere in the world with an internet connection – 24/7!
    • Specify an unlimited number of projects and save your work.
    • Enter a small amount of project info to see solutions with the greatest speed and efficiency.
    • calQflo sizings are Guaranteed.
    • Built in auto-redundancy calculator, a CAD drawing library, and energy savings calculators.
    • Use it on your desktop, laptop, tablet, or mobile device.
    • Ensure the greatest product longevity and maximum energy efficiency with properly sized systems.


    • Pressurization
    • Level Control
    • Water Recovery
    • HVAC Packages

Enter your information to start the calQflo Registration Process

Create a FREE Account & Start Configuring TODAY!

calQflo is 100% free to use. Specify an unlimited number of projects, save your projects, and return any time day or night to access your work.

Rain It In Water Reclamation & Harvesting

Go Green and Save Money with Reclaimed Water

QuantumFlo offers the industry’s most advanced solutions for water filtration and pumping for use in non potable applications such as:

  • Rainwater harvesting for toilet flushing, laundry washing
  • Water reclamation for irrigation
  • Condensation collection for building cooling

calQflo® makes it easy to configure the most efficient booster solution for your water harvesting projects.

calQflo Offers 20-50% Potential Energy Savings over Standard Sizing

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Contact Us

Our representatives are ready to serve you across the map with packaged pump systems and controls in 53 different offices and more than 23 countries.