ONICON Incorporated

ONICON Incorporated

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ONICON Incorporated has been delivering market leading flow and energy measurement products since 1987.

ONICON designs, manufactures, & sells reliable, innovative, quality engineered flow & energy measurement instruments & solutions for HVAC industry customers who require & value, highly accurate & reliable instruments supported by market leading service. For more than 30 years we have been exclusively focused on delivering quality engineered flow and energy measurement instruments for hydronic heat

06/19/2026

Today, we honor Juneteenth. It is a day that recognizes freedom, resilience, and the ongoing pursuit of equality.

At ONICON, we remain committed to fostering a workplace and community where everyone feels valued, respected, and empowered to succeed.

06/18/2026

Why does measurement matters in data centers? Because when cooling performance, uptime, and sustainability are on the line, visibility is everything. Without clear, reliable data, it’s impossible to optimize performance, prevent downtime, or make smarter energy decisions.

✅ Optimize cooling performance
Get real-time insight into flow, energy, and airflow data

✅ Improve uptime
Simplify operations with preconfigured meters and intuitive interfaces

✅ Support faster commissioning
Leverage built-in diagnostics to validate system performance

✅ Enable sustainability reporting
Capture accurate flow and energy data to support ESG goals

Integrated measurement delivers the visibility needed to improve efficiency, reliability, and long-term performance.

https://www.onicon.com/education-series/key-measurements-in-high-performance-data-centers-integrating-water-air-and-thermal-energy-meters

06/16/2026

Not all chilled water plants are alike but they do have one thing in common - Monitoring their flow and energy help them run efficiently. There are several flow and energy measurement opportunities within a chilled water system, and ONICON offers an array of flow meter technologies specifically suited for this HVAC application.

Learn more in our blog 👉 https://www.onicon.com/education-series/application-spotlight-chilled-water-chw

06/15/2026

Precision Energy Measurement with the ONICON System-40!

The System-40 BTU Measurement System delivers highly accurate thermal energy measurement for chilled, hot, and condenser water systems. With a built-in ultrasonic flow sensor and matched platinum RTD temperature sensors, it ensures reliable data for efficient energy management.

Ideal for commercial & residential tenant billing—because accuracy matters! ⚡🏢

Learn more -->https://www.onicon.com/products/system-40-btu-meter

06/12/2026

ONICON recognizes that every application is unique, which is why we offer tailor-made solutions that are custom-configured to your specific requirements. Our solutions are meticulously wet calibrated to NIST traceable standards on an individual basis, ensuring accuracy and reliability for your application.

Check our our full product lineup in our Family of Products brochure:https://www.onicon.com/wp-content/uploads/dlm_uploads/2024/08/ONICON-Family-of-Products-Brochure-DOC_0000604.pdf

06/11/2026

The ONICON FP-4400 is your ideal, non-invasive solution for temporary flow measurement and testing. It features:

✔️ Wide flow range - 400:1 turndown from 0.1 to 40ft/s
✔️ ½” to 48” pipe sizes
✔️ Built-in 12 million point data logger
✔️ Easy Set-up via intuitive menus
✔️ Up to 15 hours of battery life
✔️ ±1% of reading accuracy

The clamp on design does NOT require a system shutdown or pe*******on of the pipe in any way when installing and operating the FP-4400.

Visit our website to learn more: https://www.onicon.com/products/fp-4400-portable-ultrasonic-flow-meter

06/10/2026

Looking for exceptional performance and accuracy in flow measurement? Look no further than ONICON’s FT-3000 series inline electromagnetic flow meters! The FT-3000 series delivers unmatched accuracy and reliability with minimal straight run needed. Trust ONICON’s flow measurement solutions to confidently measure your critical applications.

https://www.onicon.com/products/f-3000-series-inline-electromagnetic-flow-meter

06/09/2026

ONICON’s System-1000 is the advanced multi-channel solution for accurate flow and thermal energy measurement in high-performance buildings. From chilled water to domestic water systems, it delivers real-time data on energy usage, flow, temperature, and system efficiency—right where you need it.

With support for ONICON and non-ONICON meters, dual energy calculations, COP monitoring, and seamless BACnet integration, the System-1000 is engineered for today’s most demanding applications.

📊 Smarter data. Better decisions.

Learn more: https://www.onicon.com/products/system-1000-flow-and-energy-measurement-system

06/05/2026

Have you had a chance to explore ONICON’s Revit Families? They come equipped with user-friendly designs and straightforward configurations, making integrating ONICON’s energy and flow meters into your system designs easier. Don’t wait any longer; give them a try today!

https://www.onicon.com/downloads/cad-files

06/02/2026

ONICON Clamp-on Ultrasonic flow meters are the non-invasive solution to highly accurate hydronic flow measurement. They utilize transit time ultrasonic technology and are ideal for installations in existing systems or when shutdown is impractical. Our portable solution is ideal for testing and validating flow.

Learn more about them: https://www.onicon.com/process/ultrasonic-flow-meters

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Telephone

Address


11451 South Belcher Road
Largo, FL
33773

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm