Minus-Eleven has been providing unparalleled design, installation and service for controlled temperature and environmental rooms since 1970. As the preeminent leader in the field, Minus-Eleven recognizes and understands the special needs of the biotech, pharmaceutical and life sciences industries.  

Our clients span several industries and include those at the forefront of the research, academics and process sectors such as BiodenIdec, Shire Pharmaceuticals, Takeda Lift Sciences, Novartis, Genzyme Pharmaceutical,  Children's Hospital and Harvard University


Design and Engineering

Minus-Eleven tailors its designs to accommodate the specific needs of each client. Precision engineering, supported by a step-by-step analysis of the project's objectives, along with taking into account the many variables in the use of environmental rooms ensures maximum performance and customer satisfaction.

We incorporate state-of-the-art engineering and design principles in all aspects of our environmental and controlled temperature rooms.  Our design team continually reviews and tests new equipment and controls to stay current and at the fore front of the industry. This results in in both reliable operation and long-term client statisfaction. 


Service and Reliability

Minus-Eleven is dedicated to providing unparalleled service on environmental rooms and controlled temperature rooms. Our professional and proficient service technicians are continually trained on the latest equipment and diagnostic techniques in the industry. Our commitment to excellence paired with our fully equipped fleet of maintenance vehicles makes us the preferred supplier for all service needs.

We provide service 24 hours a day, 365 days per year. There are also a variety of service options and contracts available to meet any clients needs.

cold rooms

Warm Rooms

Clean Rooms

Environmental Simulation

Wet Rooms

Mortuary Rooms

Dry Rooms

Growth Chambers


Archival Vaults


Burn-in Chambers