Welcome to Darwin Chambers

Industry Leading Innovators of Environmental Chambers, Environmental Rooms, Laboratory Incubators, and Stability Testing Chambers.

Controlled Environments for Your Business.

Darwin Chambers manufactures, installs and services environmental chambers, environmental rooms, laboratory incubators, and stability testing chambers. This website provides normally stocked environmental testing chambers, stability chambers used in the pharmaceutical industry, and temperature controlled incubators. You will also find stock laboratory refrigerators, laboratory freezers, insect growth chambers (or insect rearing chambers), freeze thaw chambers, and thermal cycling chambers. In addition to these models, a custom reach-in chamber or walk-in environmental room can be made to your specifications.

About Darwin Chambers

Walk-In Chambers

Our Walk-In environmental chambers offer the ultimate in environmentally controlled storage space. Darwin Chambers offers a wide variety of configurations to meet your specifications, in addition to consulting for custom enclosures.

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Reach-In Chambers

Introduced nearly 10 years ago as the first large capacity thermoelectric cooled pharmaceutical stability testing chamber. Presently in use by hundreds of pharmaceutical, cosmetic, nutraceutical, medical device, and research companies around the world.

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Chamber Services

Whether you need your environmental chambers repaired, qualified, or scheduled for calibrations or preventive maintenance, Darwin Chambers is capable of ensuring your needs are met promptly, professionally and dependably.

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Why Choose Darwin Chambers?

  1. 1Over 20 years of experience in providing rooms of varied complexity, highly efficient, eco-friendly technologies and systems.
  2. 2A dedicated, internal Service Department, providing full calibration and validation services.
  3. 3An industry-leading seven-year warranty on our thermoelectric system for reach in's.
  4. 4Entire cooling systems can be installed and replaced, quickly, with simple tools - no refrigeration tools or certified technicians necessary.
  5. 5Exceptional temperature and humidity control due to proportional microprocessor control.
  6. 6A Precious Fluid Temperature Control Unit (PFTCU) is a proprietary indirect cooling system for walk in's. It utilizes a combination of refrigeration technologies, propylene, glycol/water heat exchange technologies, and the latest temperature control methods in order to out perform conventional refrigeration systems.
  7. 7Available extended warranty and preventive maintenance agreements, to most locations within the contiguous USA.
  8. 8Free 24/7 technical support via phone or e-mail, throughout the lifetime of your Darwin Chambers product.
  9. 9Skilled, knowledgeable staff, to ensure that we ask the right questions, and have a complete understanding of our customer’s needs as well as all other regulations, requirements, and project considerations and constraints.
  10. 10Flexibility and an expert engineering/design team, to provide innovative and highly customized solutions, in addition to our standard product.
  11. 11“Elegant” design. We have the capability to offer the best operational fit for your specific requirements—while typically providing systems that are the most efficient, sustainable, and competitively priced, as well.

Latest News
  • Congress approves deal to keep government open, fight Zika

    (Source: USAToday) WASHINGTON — Congress approved a stop-gap spending deal Wednesday to avert a government shutdown and provide $1.1 billion in long-awaited aid to combat the Zika virus. The House voted 342-85 to pass the legislation, which will keep the government funded through Dec. 9 and give lawmakers time to work out a long-term spending bill for the fiscal 2017 year that begins Saturday. The Senate approved the bill by a vote of 72-26 earlier in the day, clearing the way for Congress to leave town until after the Nov. 8 election....

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  • Rotronic Webinars

    (Source: Rotronic) There's still time to register for this free webinar coming up on Thursday, October 27 at 1:00PM EDT, Humidity Technology - pros & cons. If you need to make a more reliable humidity measurement, this webinar is for you! Matching the technology to the application is rule number 1 in making a better measurement. Our mission with Rotronic Humidity webinars is to help you make a better measurement of humidity through education about the physics of humidity and the...

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  • Darwin Chambers Goes Green with Solar Panels

    (Source: Original Article) Darwin Chambers Company has recently completed a rooftop solar panel project installed by Microgrid Energy. Having unsurpassed expertise, Microgrid Energy has become a leader in todays solar energy world, serving the St. Louis area as well as nationwide. With this addition of solar panels Darwin Chambers Company has gone green. 255 solar panels helps offset approximately 80% of Darwin Chambers annual electricity usage, as well as about 149,820 pounds of CO₂. All of the solar panels installed...

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  • Lab Mice are Freezing Their Asses Off- and That's Screwing Science

    (Source: Gizmodo) Most science labs maintain a temperature far below levels preferred by mice, and it’s taking a toll on their health. New research suggests these chilly mice are skewing science results across a wide range of research areas—and the problem is far worse than anyone realized. A new paper in Trends in Cancer by researchers from the Roswell Park Cancer Institute in Buffalo shows that environmental factors are impacting the basic biology of mice, in ways that are influencing...

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  • Know More than your Boss

    (Source: Original Article) Preface: The goal of the Know More Than Your Boss series of papers is to provide an education in the intricacies of environmental chamber operation and performance. There is some subjectivity based on our experience as a manufacturer and servicer of environmental chambers. Humidification Do you need humidification? Everyone knows that to go from 4°C @ 85%RH to 21°C @ 45% you have to remove water molecules from the air (dehumidify), right? Truth is you actually have...

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Services We Offer


Darwin Chambers Company offers a thorough preventive maintenance package to help protect your investment and provide peace of mind.

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We understand the critical role that calibrations have in your regulated industry, which is why we use extremely precise calibration standards.

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For purposes of clarity, validations are referred to throughout the corresponding literature and relevant documentation as qualifications, due to the fact that we are specifically engaged in assisting our clients with their Validation Process.

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Service Plans

Whether you need your environmental chambers repaired, qualified, or scheduled for calibrations or preventive maintenance, Darwin Chambers is capable of ensuring your needs are met promptly, professionally, dependably, and are budget friendly.

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