A holistic approach to optimizing chilled water and air distribution systems.

Our world is undergoing changes - demographic changes, urbanization, climate change and resource shortages - that force us to think in new ways. Maximizing efficiency has top priority, not only energy efficiency, but also operational efficiency. Our goal is to minimize the resources our buildings consume while also ensuring end user comfort. For our customers, success is defined by how well they manage these challenges.

Demand Flow is an HVAC optimization solution that reduces energy costs and ensures ongoing operational efficiency, with healthy financial returns and long-term value. Whether our Demand Flow for chilled water (CHW) or variable air volume (VAV) system optimization product, this patented solution delivers immediate results through our automated technology and built-in analytics that alleviate constraints on our customers’ internal resources & extend equipment life.

Demand Flow uses intelligent, powerful, and proven methods developed from our decades of experience in optimizing chilled water and variable air volume systems.




Powerful Solution Reduces Energy Consumption and Improves Operations

Siemens has developed the Demand Flow® brand into a suite of offerings that provide a holistic approach to optimizing both your chilled water and variable air volume systems—all without sacrificing savings or building comfort.

 Download the Demand Flow Brochure

The Siemens Demand Flow process ensures continuous optimization and efficiency of your chilled water and variable air volume systems to achieve maximum operational savings, improved building and occupant comfort, and maximized equipment uptime.

 Get a closer look at the Siemens Demand Flow process

Siemens has over 300 global Demand Flow for Chilled Water System installations that reveal a typical reduction in energy use between 20 and 50%, with measured total chilled water system performance as low as 0.33 kW/ton.

By implementing Demand Flow for Variable Air Volvume Systems, building owners can not only achieve their building performance and sustainability goals, they can also achieve fan energy savings of 20% to 50% compared to using a fixed static pressure set point

 Demand Flow for Chilled Water Systems Proven Results Demand Flow for Variable Air Volume Systems Proven Results

Gain Transparency with Navigator

Navigator is Siemens’ cloud-based data management platform designed to help you optimize the performance of your buildings. When paired with Demand Flow for Chilled Water Systems and/or Variable Air Volume Systems, you gain the ability to monitor the long-term performance of your HVAC system by tracking, maintaining, and enhancing improvement measures. Very customizable, Navigator allows you to achieve your energy, sustainability, and system performance targets.

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