Siemens Climatix® Rooftop Unit Improves Energy Efficiency, Air Quality

The solution includes remote management service, allowing HVAC mechnical and controls contractors to gain real-time access to performance data.

Siemens, a global technology company, introduces its Climatix® Rooftop Unit (RTU) optimization solution, designed to simplify efficiency for small to medium-size buildings, including offices, retail, restaurants, houses of worship and K-12 facilities.

The controller-driven solution is said to address a gap in the market to improve energy efficiency, indoor air quality, and overall building comfort without having to add a complete building automation solution.

It also includes remote management service that allows HVAC mechanical and controls contractors to gain real-time access to RTU performance data through the internet, saving time and money by eliminating system downtime and unnecessary truck rolls, says the company.

“We set out to deliver a better rooftop unit management solution unlike any other that’s designed with efficiency in mind for both contractors and building owners,” says John Karczmarczyk, Vice President, Siemens Smart Infrastructure USA. “This new solution has been tested and deployed working closely with our channel partners, to provide a true turnkey solution at an affordable price.”

According to Siemens, RTUs have an average product lifespan of 15 to 25 years with 90% of them continually running at a single fan speed regardless of need, creating inefficiencies. Without proper maintenance, equipment performance can decline over time, leading to poor indoor air quality and temperature management, nuisance noise, increased energy bills, and unexpected system downtime with more costly repairs.

To combat these potential issues, the Climatix RTU solution is designed for plug-and-play installation with pre-terminated inputs and outputs, reducing labor costs for contractors. The Climatix RT controller is pre-engineered with pre-defined applications designed specifically for RTUs and paired with Siemens sensors, the new Climatix VFD and OpenAir® actuators.

The Climatix VFD has its sequence of operations programmed into the Climatix RT controller which is said to help contractors save hundreds of hours in training and commissioning.

To learn more about the Climatix RTU solution, visit

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