Since 1972, customers have turned to Komline-Harn to deliver the highest quality membrane treatment systems for their specific needs. Whether it′s a full design/build, a membrane plant retrofit, or a specific service or equipment need, Komline-Harn has the knowledge, experience, and dedication to exceed your expectations.

We don′t view your plant as just equipment. We view it as the start of a long-term partnership. Our goal is to provide you with significant operational and cost savings. Through teamwork, added value, technical and operational expertise, and an ongoing commitment to service, that's what we deliver every time. We view each system from a process standpoint, not just another project. Everyone involved - the owner, the engineers, and Harn - shares an equal stake in success.


  • Reverse Osmosis System Design/Build

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  • Membrane Filtration Pilot Unit

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  • Membrane Plant Retrofits

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  • Membrane System Services

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Capabilities & Facilities

Our full in-house capabilities and dedicated professional team deliver a level of trust, innovation, and service you simply won’t find elsewhere. Our capabilities include:

  • In-house professional engineering staff in multiple disciplines and experienced CAD department. Our in-house design capabilities maximize your time and take advantage of Harn’s technical expertise and experience.
  • Pilot study expertise and full-featured pilot units for initial membrane treatment assessment or upgrade studies.
  • Involvement during the contract procurement process contributes added value, cost, and time efficiencies.
  • Fully equipped in-house shop for the design/build of your system with full attention to quality control and manufacturing efficiencies.
  • Full-service staff to ensure installation is performed right on time and right on budget, including the ability to provide complete turnkey systems.
  • Ongoing service of your membrane treatment system − if you need help, we’re there.

The Komline-Harn facility in Venice, FL is capable of producing entire systems while working closely with our engineers to ensure that every project we deliver meets our customer’s specifications.

Awards & Recognition

American Membrane Technology Association Member of the Year – 2015
Associated Builders and Contractors, Inc., Central Florida Chapter Excellence in Construction – 2016
Design-Build Institute of America Best Water/Wastewater Project – 2013
National Rural Water Association Great American Water Taste Test, Gold Medal – 2011
Southeast Desalting Association Outstanding Membrane Plant – 2014, 2016
Lifetime Achievement – 2016