calQflo® – The Ultimate Booster System Design

Simplifying Booster System Sizing with calQflo®

Booster System Sizing Can Be Difficult – That’s Why There’s calQflo®

In the world of booster system sizing, precision is key. QuantumFlo understands the challenges and complexities involved in selecting the right pump size for your specific needs. That’s why we developed calQflo® – the world’s most precise domestic water booster system sizing and selection configurator.

Why calQflo®?

calQflo® isn’t just a tool; it’s a game-changer. Our innovative configurator ensures 20-50% potential energy savings over standard sizing methods. By leveraging advanced algorithms and real-time data, calQflo® provides you with the most accurate and efficient booster system available.

The Ultimate Booster Design System

Sizing Matters: Properly sized systems do more than just fit your specs – they save money, recoup initial investment faster, and operate more efficiently over their lifespan.

Energy Efficiency: By using calQflo®, you can significantly reduce energy consumption, leading to lower operating costs and a more sustainable solution for your projects.

Precision and Reliability: With calQflo®, you eliminate the guesswork. Our configurator delivers precise recommendations, ensuring your booster systems perform at their peak efficiency.

calQflo Product Flyer


  • Plug & play sizing and selection eliminates guesswork
  • All systems designed & sized in accordance with ASPE Design Handbook, Vol 2. Chapter 5, 2018-2019
  • 100% online & accessible worldwide, from anywhere with an internet connection
  • Guaranteed sizings for domestic water booster & water reclamation systems
  • Completely FREE! Unlimited specifications, save your work & access it 24/7

At QuantumFlo, we believe in the power of precision and the impact of innovation. calQflo® embodies these principles, providing you with the ultimate solution for booster system sizing and selection.

Experience the future of booster design. Simplify your sizing process and optimize your systems for maximum efficiency and cost savings. For more information and to try calQflo® for yourself, visit our website and start designing the perfect booster system with ease and confidence.

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About QuantumFlo®

QuantumFlo, A Wilo Brand, is the world leader in pumping and pump controls systems technologies. Founded in 2007, QuantumFlo is an innovator of sizing and selection applications and rules for variable speed pumping. A pioneer in “technical pumping”, they apply creativity and out-of-the-box thinking in developing and designing packaged plumbing booster systems and software. iQFlo™ 3.0 is the industry’s most intelligent B.O.S.S. (Booster Operating System Software), and the only true operating system for booster control. calQflo® is a revolutionary online platform for booster sizing and selection, allowing 100% free access from anywhere in the world with an internet connection. QuantumFlo is headquartered in Sanford, Florida in a 30,000 square foot state-of-the-art facility with a simulated testing rig. WILO USA LLC acquired QuantumFlo in 2021.

About Wilo

WILO USA LLC, a subsidiary of WILO SE, is one of the world’s leading manufacturers of pumps and pump systems for building services, the entire water management chain and industry. The company, whose sales reached more than 1.4 billion euros 2018, has its eyes fixed on the future and is heavily involved in research and development. Based in Dortmund, WILO SE is increasingly moving away from being just a supplier of components and moving towards being a system supplier. The Wilo name is internationally recognized as being synonymous with high-tech in the pump industry. Wilo employs around 7,800 employees in over 70 subsidiaries around the world. In 2017 Wilo acquired Cedarburg, WI manufacturers Weil Pump, Scot Pump and Karak Machine Co., followed by the 2019 asset acquisition of American-Marsh Pumps, and QuantumFlo in 2021.

calQflo® – The World’s Most Intelligent Sizing & Selection Configurator

Calculating for Your Domestic Water or Water Recovery Booster System Has Never Been Easier

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.