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.

PENN® Product Family

Meet our extensive line of electromechanical and electronic temperature and pressure controls, humidity controls, condenser fan speed controls, lube oil compressor controls and scroll compressors.
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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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What to Know About Transitioning to Low-GWP Refrigerant

What to Know About Transitioning to Low-GWP Refrigerant

The chilled and frozen food industry has seen a series of recent regulations, but owners and operators need solutions to remain compliant without risking downtime or disruption. In Refrigerated & Frozen Foods, our experts explain how advancements in refrigerant sensors and controls can make all the difference when adapting to low-GWP A2L and natural refrigerants.
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A2L & A3 Refrigerants: A Compliance Guide and PENN® Controls Progress Report

This on-demand webinar discusses the critical topics and aspects of the rise of A2L and A3 low-GWP (global warming potential) refrigerants. Don’t miss this chance to understand current regulations and what Johnson Controls is doing to ensure that PENN® controls are compliant with U.L. standards for A2L and A3 refrigerants.
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A2L and A3 On-Demand Webinar

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.

What to Know About Transitioning to Low-GWP Refrigerant

Compressors

Hitachi's low-profile horizontal ZS and DS series fixed and variable speed scroll compressors deliver higher efficiency and lower sound levels in comparison to industry competitors.

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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

Navigating the A2L Revolution
Keith Gifford joins the Building HVAC Science podcast to discuss the emerging use of A2L refrigerants and what the future holds.
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.

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