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The Rees Scientific Advantage

Since 1982, Rees Scientific has been the most compliant continuous environmental monitoring system in the industry. Our system can monitor the temperature of any cold storage (refrigerators, freezers, ultra-low freezers) from +1,300 to -196 °C. We monitor equipment and parameters such as temperature, humidity, light, differential pressure and more.


As an ISO/IEC 9001:2015 certified and ISO/IEC 17025:2017 accredited company, Rees Scientific is constantly upgrading policies, procedures, and protocols to comply with today’s highly regulated environments. Our monitoring system is a complete solution to all of your environmental monitoring needs. It helps meet compliance for CDC, FDA, WHO, AABB, Joint Commission, CAP, GxP, USP <797>, USP <800>, AAALAC, GAMP,  HACCP  and many more.


We offer the most diverse methods of delivery for monitoring data. Our system offers options in wired, wireless, Wi-Fi, or a hybrid of all. Rees Scientific’s monitoring system is easily expandable to fit every customer’s needs, large or small.  It can be installed on your network or on the ReesCloud. Our regional sales, service and engineering team can partner with you to implement the best system according to your requirements.


Rees Scientific prides itself on our regional service.  Our team is locally placed to ensure better service in a timely manner.  We employ regionalized sales and service engineers who are fully qualified to solve the most difficult of technical problems.  Our fleet of stocked service vehicles are ready to be dispatched to handle all on-site service.  To our knowledge, no other monitoring providers come close to the 100 plus dedicated factory employed, factory trained field technicians we have located regionally.

Regardless of your location, our service and 24/7/365 technical support teams can ensure needs are responded to promptly. Our headquarters are in Trenton NJ with over 125 employees. Our project managers and technical support teams are experienced and dedicated to our customers. Together, they ensure that your system is well maintained, up-to-date and in proper working order.  Our North American operations are complimented by our presence in Europe. Native Europeans are strategically located throughout the continent offering sales and service to all of our foreign customers.

Who is Rees Scientific?

system Overview

How our system works

vaccine & Medication monitoring

Service and Support Advantage

Centron Presidio software

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