ONICON Incorporated is a leader in flow and energy measurement solutions and delivers comprehensive solutions for our customers’ needs. We specialize in HVAC flow and energy …

ONICON offers a full line of products for flow measurement and BTU measurement systems for commercial HVAC applications.

ONICON BTU meters are used in a variety of applications including commercial HVAC systems and district heating and cooling systems. Our BTU meters are highly accurate and reliable, and feature …

ONICON continues to have a strong reputation for product excellence and superior customer support. Contact us for your sales and customer service needs.

Access ONICON’s resources—brochures, spec sheets, installation guides, and technical documents—all in one convenient location.

Discover ONICON's accurate electromagnetic flow meters. Industry-leading tech for reliable flow measurement. Elevate accuracy today!

Ultrasonic flow meters from ONICON are designed to deliver accurate flow measurement in hydronic and domestic water applications. Shop our selection today.

Flow Measurement Technologies. ONICON offers a full line of insertion-style, inline and clamp-on meters as well as networkable BTU meters and flow displays.

ONICON offers high-quality and reliable turbine flow meters to ensure accurate flow and energy measurements calibrated to meet your application needs.

ONICON provides transducers that are optimized for specific pipe conditions, providing a strong, stable signal with an outstanding signal-to-noise ratio. Native BACnet and MODBUS Communications