Whether you need to control temperature, humidity, pressure, liquid level, air flow or liquid flow, PENN® has the solutions you need. With over a century of experience, we are here to support you every step of the way in providing control solutions for commercial refrigeration, air conditioning, and heating applications.

Introducing the System 550

System 550 is a next-generation modular electronic control system that integrates temperature, humidity, and pressure regulation with industry-first A2L refrigerant leak detection and mitigation. It offers optional two-way cloud connectivity, enabling real-time monitoring and alerts, making it an ideal solution for your HVAC-R system.
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PENN® Product Family Video

Meet our extensive line of electromechanical and electronic temperature and pressure controls and condenser fan speed controls.
Download the PENN® Catalog

Browse our control solutions for commercial refrigeration & HVAC applications

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Pressure Controls

Our offering of electromechanical and electronic pressure controls is one of the most extensive in the industry.

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Field & Cold Room Controllers

Manage a wide range of single and multi-stage refrigeration and HVAC equipment with easy-to-use electronic controllers.

Modulating Water Valves

Modulating Water Valves

Designed to regulate the flow of water and/or glycol in response to pressure or temperature changes, PENN Water Regulating Valves provide reliable performance for water-cooled condensers and cooling towers.

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Temperature Controls

A complete line of electromechanical and electronic temperature controls to control space and liquid temperatures in literally hundreds of cooling and heating applications that require specific sensing elements and enclosure types.

Innovation Spotlight

Expert Q&A article on A2L refrigerant technology
Read important insights in this Q&A article in Engineered Systems from our expert colleagues – Keith Gifford, Global Product Manager, PENN Controls and Bill Merritt, Director of Business Development, PENN Controls.
New PENN Catalog is Here
The latest edition has everything you need to know about PENN controls, including new offerings, comprehensive technical specs, and other useful resources.
A2L and A3 Product Compliance
Our PENN portfolio is currently being certified for use with A2L and/or A3 refrigerants. Take a look at the process, which will be completed by January 1, 2025.

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