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Take the Next Step in Pump Efficiency: Reduce Energy Use & Improve System Performance with Wilo

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For our latest SVL Coffee Break, we welcomed Justin Hovinen, National Sales Manager with Wilo USA, to explore how advanced pump technology, electronically commutated (EC) motors and intelligent controls are transforming commercial HVAC system efficiency.

As SVL introduces Wilo’s commercial pump portfolio to Minnesota, North Dakota and Western Wisconsin, this session highlighted opportunities for mechanical engineers, contractors and building owners to reduce energy consumption, improve system performance and lower total cost of ownership.

Advancing Commercial Pump Technology

With nearly 150 years of history, Wilo has helped shape modern pumping technology, from early circulators to today’s high-efficiency smart pumps.

Wilo’s commercial portfolio includes wet rotor circulators, inline pumps, end suction pumps, split case pumps, pressure booster systems and prefabricated mechanical packages.

With North American manufacturing operations in Cedarburg, Wisconsin, Wilo offers domestic manufacturing capabilities, customizable solutions and streamlined project support.

Why EC Motor Technology Matters

One of the webinar’s biggest discussions centered on electronically commutated motor technology.

Traditional induction motors experience energy losses through motor slip, heat generation and reduced efficiency at partial loads.

Wilo’s EC motors use permanent magnet technology to eliminate motor slip and maintain higher efficiency across varying operating conditions.

During the presentation, Wilo compared motor efficiencies of approximately 92% for EC technology versus 83% for a conventional induction motor and variable frequency drive at full speed.

At reduced speeds, the efficiency advantage becomes even more significant.

For commercial HVAC applications, this can translate into lower electricity consumption, quieter operation, smaller equipment footprints and reduced operating costs.

Smarter Controls Deliver Greater Energy Savings

Motor efficiency is only part of the equation.

Wilo’s intelligent pumps incorporate advanced control strategies that adjust performance to match actual building demand.

Available operating modes include constant flow, constant differential pressure, variable differential pressure and automatic adaptive control.

Rather than operating continuously at maximum capacity, intelligent pumps can reduce speed and pressure as system demand decreases.

Integrated sensors monitor operating conditions, while BACnet, Modbus and other connectivity options support building automation integration.

These capabilities help optimize hydronic systems without sacrificing required flow or system performance.

Lowering Total Cost of Ownership

The webinar highlighted how high-efficiency pumps can deliver financial benefits beyond reduced electricity consumption.

Wilo shared a University of Michigan application demonstrating how integrated EC motor technology reduced installation complexity and operating expenses.

In that example, the ECM installation cost approximately $1,300 less than a conventional pump and VFD arrangement.

Wilo also presented substantial long-term energy savings compared with traditional constant-speed pumping.

Actual savings depend on operating hours, system design, control strategies and local utility rates.

Simplifying Installation, Commissioning & Maintenance

Wilo’s smart pumps also incorporate features designed to simplify ongoing operation.

Through the Wilo Assistant app, technicians can connect to compatible pumps, review operating data, adjust settings and generate commissioning reports.

Built-in diagnostics, flow monitoring and protective controls provide additional visibility into system performance.

For building operators, these capabilities can help streamline troubleshooting, reduce maintenance demands and support more reliable operation.

Engineered Pump Packages & Selection Tools

Beyond individual pumps, Wilo offers prefabricated booster systems, chiller pump skids and complete mechanical room packages.

These solutions can incorporate redundant pumps, controls, tanks and accessories into factory-assembled, tested systems.

Wilo’s online selection software further simplifies design by providing pump curves, technical documentation, efficiency comparisons and Revit files.

For engineers, these resources support accurate equipment selection and more efficient project coordination.

A Smarter Approach to Commercial HVAC Efficiency

Wilo demonstrates how intelligent pumping technology can improve overall HVAC system performance while supporting building energy-efficiency and decarbonization goals.

Whether designing a new hydronic system, upgrading existing equipment or evaluating packaged solutions, selecting the right pump and control strategy can make a measurable difference.

Interested in improving pumping efficiency on your next commercial HVAC project? Connect with your SVL Sales Engineer to explore Wilo equipment selections, energy-saving opportunities and system integration.

Don’t Miss the Next SVL Coffee Break

SVL Coffee Break webinars provide practical engineering insights for commercial HVAC professionals.

Topics include:

  • HVAC system optimization
  • Building automation and controls
  • Hydronic system design
  • Pump technology and efficiency
  • Heat pumps and electrification
  • Geothermal heating and cooling
  • Heat recovery and energy recovery
  • Building decarbonization strategies
  • Emerging commercial HVAC technologies

Opt-in to SVL marketing emails to receive upcoming Coffee Break invites and on-demand recordings.

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                      Jim Lubratt

                      President & Chief Executive Officer

                      Jim Lubratt has been president of SVL since 2006. He first joined the company as a sales engineer in 1992 and was made a partner in 2000. He holds a Bachelor of Science in mechanical engineering from Southern Methodist University and first entered the HVAC industry as a marketing engineer for a heat pump manufacturer in Texas.

                      In addition to his role at SVL, Jim is vice president of AQC Industries, LLC, a manufacturer of specialized underground ductwork systems. He is also an investor and board member for Hydromx, Inc., a manufacturer of heat transfer nanofluids, and Crotega, Inc., creators of personal and building security solutions.

                      Jim and his wife, Tracy, met in college and married in 1993. They have three children, two of whom have graduated college in Texas, while their youngest is attending Grand Canyon University in Arizona.

                      Outside of work, Jim places a priority on his faith, family, friends, and fitness. He enjoys helping people-supporting charities, time with his wife and kids, road-biking with friends and efforts to stay physically fit.

                      A message from Jim on the achievements of SVL

                      SVL started in February 1967 by Charlie Schwab and Craig Vollhaber. Schwab-Vollhaber, Inc. (as it was named at the time) steadily grew and, in 1985, welcomed Paul Lubratt as another partner, becoming Schwab-Vollhaber-Lubratt, Inc. SVL’s founders had the determination to build the most talented, customer-focused HVAC representative in the Midwest. Our original drive and passion still shape the company and culture to this day. The achievements of an organization are the results of the combined efforts of every individual. From humble beginnings, SVL founders paved the way to industry success with hard work and determination. “Today, SVL is strongly organized with great people to lead our industry forward as we are challenged with fast-paced changes to reduce our environmental impact,” says Jim. Now, 55+ years later, SVL is under the leadership of two new principals who share the same vision and drive that has propelled SVL throughout the years. Built on a foundation of integrity, Jim Lubratt, and Charlie Vollhaber strive to ensure opportunities for personal growth, improved work environment, and shared life enrichment. The achievements of our organization are the results of the combined efforts of every individual.

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                      Charlie Vollhaber

                      Executive Vice President & Officer

                      Charlie Vollhaber is a third-generation employee at SVL, as a grandson of company co-founder Craig Vollhaber and son of former CEO Todd Vollhaber. Charlie holds a Bachelor of Science in mechanical engineering and an MBA, both from the University of Minnesota. He became an outside salesman for SVL in 2013, was made a partner in 2019, and then executive vice president and officer in 2022.

                      He grew up playing sports, including football, basketball, golf, and track, and enjoys the competitive nature of the HVAC industry. “I like that no two days are ever the same as there are always questions to answer and problems to solve,” he says. “Most of all, I enjoy working with great people and coordinating together on challenging projects to achieve positive results together.”

                      Outside of work, Charlie enjoys spending time with his wife, Lesley, and their three boys. He’s also fond of golfing, traveling, and attending concerts and sporting events. One of his favorite quotes is from the book of Philippians: “Do nothing from selfish ambition or conceit, but in humility count other more significant than yourselves. Let each of you look not only to his own interests, but also to the interests of others.” Because HVAC and construction is such a team effort, he says, “this mindset helps to create positive results in a vast majority of situations.”

                      A message from Charlie on the culture of SVL

                      “At SVL, we strive to cultivate a unique culture that revolves around finding and empowering exceptional individuals. We believe in equipping our team members with the right tools and resources to succeed.

                      As we’ve grown the business, we have deliberately maintained a small firm culture, fostering an environment where collaboration thrives. We encourage open dialogue and promote a sense of comfort among our employees, allowing anyone to ask questions and seek guidance from anyone else, regardless of their level within the organization.

                      We foster a workshop-like atmosphere where everyone’s contribution is valued. Presenting your work to another individual or a group of teammates provides a platform for collaboration, where ideas are shared, dissected, and improved collectively. We firmly believe in the power of mentoring and provide various avenues for both formal and informal guidance. Whether it’s through structured training programs or casual conversations, we encourage team members to discuss a wide range of topics, from work-related successes or issues to everyday personal life topics.

                      In summary, our culture is built on the foundation of attracting exceptional individuals, empowering them with the necessary tools, and fostering a collaborative environment where mentorship and growth thrive. We are committed to creating an atmosphere where every team member feels supported, valued, and encouraged to reach their fullest potential.”

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                      Al Gramse

                      Vice President of SVL Service Corporation

                      Al Gramse has been in the HVAC industry for over 30 years. He began as a service technician.  Then over his career worked in technical support, building automation, then service manager prior to his current role.

                      How did Al end up in the HVAC industry?  “After high school, I took a couple years to figure out what I wanted to do.   Where I was working at the time, a grumpy old coworker, who I didn’t get along with, walked up to me and said ‘What are you doing here?  Go back to school.’”  I said, “For what?”  He said “There’s a tech school down the street.  Go down there and pick something that interests you”. Then he walked away.  That weird interaction, with someone I didn’t get along with, sent me down a 30-year path in the HVAC industry.   Never underestimate the potential of a little encouragement.   Even if it is from a strange source.

                      Al has been with SVL for 15 years and is the head of our SVL Service division. “The people here are some of the best in the industry,” Al says. “A bunch of team-oriented, knowledgeable, go-getters.” His personal mantra is “figure it out,” “Do a little fact-finding on your own. Use your own brain before you use someone else’s. But know when to ask for help.” he prescribes. “It’s amazing what you can accomplish on your own if you dig in a little bit.”

                      Outside of work, Al has lots of outdoor hobbies, including hunting, fishing, and motorcycling, though his favorite pastime is simply hanging out with family.

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                      Jennifer Roach

                      Director of Marketing, Events & Administration

                      More than just a creative director, Jen brings 30 years of marketing and leadership magic to SVL. Her journey began in the trenches of graphic design, quickly evolving into crafting eye-catching campaigns for iconic brands like Target, Gabberts, Gander Mountain and Camping World. As a seasoned director and agency veteran, she honed her skills with recreational vehicle giant Parts Unlimited before leading creative teams at HOM Furniture and, ultimately, landing at SVL during a crucial growth phase.

                      Jen thrives on "servant-leadership," empowering her team and fostering a culture of trust and mutual respect. "It unlocks their potential, fuels creativity, and leads to work we're all proud of," she says. "I want my team to care, collaborate, and push boundaries together."

                      When not shaping impactful campaigns, Jen enjoys weekend adventures with her husband, Scott, and son, Crew. Their lives are a tapestry of shared passions, from bike rides and baking experiments to cheering on Simley High School wrestlers. And with her recently built forever home in Cottage Grove, her free time now includes a new, thrilling chapter: weekend renovation warrior!

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                      Mike Ruff

                      Vice President of Information Technology

                      Mike Ruff, the Vice President of Information Technology at SVL Inc., is a seasoned professional with an impressive 24-year tenure in the IT industry. His journey in the field is marked by extensive experience and expertise in various domains, including serving as a Cloud Architect focusing on Azure Software as a Service (SaaS), Infrastructure as a Service (IaaS), and both B2B and B2C solutions. Mike’s skills extend to being a Security Architect, where he has honed his knowledge in safeguarding digital assets, and he is also proficient in the Microsoft 365 stack, virtualization, routing, switching, and wireless technologies.

                      Beyond his professional roles, Mike is deeply passionate about technology in all its forms, which is evident in his career and personal hobbies. His love for technology is not just limited to his work but also spills over into his leisure activities. In the summertime, Mike enjoys the thrill of riding his motorcycle, embracing the freedom and adventure it brings. When winter arrives, he switches gears to snowboarding, seeking the excitement and challenge of the snowy slopes. These hobbies reflect Mike’s dynamic personality and continuous pursuit of technically engaging and physically exhilarating activities.

                      Mike Ruff's blend of professional expertise and personal passions make him a unique and valuable asset to SVL Inc., embodying a perfect synergy of technical acumen and a zest for life's adventurous aspects.

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