Environmental Chamber Repair Services

Customer-Centered Approach

At AES, we don’t just build chambers—we stand behind them for lifetime support. Our repair services are available for AES chambers and those from other manufacturers, ensuring comprehensive support across industries and chamber types.

Our customer support team—including account executives, technicians, and engineers—provides troubleshooting and repair assistance through phone, email, chat, video, and on-site visits.

With a network of service companies spanning the globe, our factory technicians in California, Massachusetts, Michigan, and Texas can also travel to other sites. 

Every environmental chamber repair begins with a full diagnostic to isolate the root cause. Our trained technician then performs component-level repairs, verifying calibration and system performance before returning your chamber to service. You can rely on us to address and fix test chamber issues that cause downtime, including but not limited to:

• Electrical Systems
• Humidity Systems
• Refrigeration Systems
• Control Systems & Performance
• Sensors & Digital Controllers
• Technical support of AES chambers
• Equipment upgrades and retrofits
• Refrigerant removal and disposal
• Preventative maintenance programs
• Chamber liner leak tests
• Chamber Retrofits
• Chamber modifications
• And MORE! Tell us what you need and we are more than willing to visit your facility for an evaluation.  

AES also provides ongoing aftermarket support to keep your systems performing long after the initial repair. Ultimately, our goal is to restore and maintain chamber accuracy across all environmental conditions, from extreme temperature cycling to controlled humidity environments.

Why is it important to prioritize repairs?

If you’re experiencing issues, it’s essential that you identify the problem quickly. A customer support team can provide a thorough diagnosis and environmental test chamber repair services, preventing further problems with the chamber’s heating or cooling performance. 

What qualities should you look for from a test chamber manufacturer?

When looking for a reputable manufacturer for regular repair service, ensure the team is communicative and available to help. Additionally, ensure they are experts and can deliver a timely, effective solution. 

What types of environmental chamber repairs does AES support?

AES offers test chamber repair services throughout the chamber's lifetime. From replacing dual pressure switches to replacing fan blades, name your need, and we will provide support. 

Apart from repairs, does AES provide calibration services?

Yes. AES offers ongoing environmental chamber repair services, ensuring compliance with industry standards and the optimal condition of each chamber component. We also provide installation services, preventative maintenance programs and more! Refer to our list above of AES services. 

What kinds of test chambers does AES repair?

AES repairs all test chambers regardless of the manufacturer. Whether you have a small test chamber or a walk-in, our repair services are readily available to assist you with new or ongoing issues. 

Do you offer on-site and off-site repairs?

The AES team is available to travel to deliver repair services in California, Massachusetts, Michigan, Washington and Texas. We also welcome customers to our four locations to have repair services completed on-site.

How often should an environmental chamber be calibrated or serviced?

Preventive maintenance for test chambers is typically recommended every 6–12 months, depending on usage and test intensity. Regular calibration keeps temperature and humidity systems within tolerance, and prevents downtime or costly repairs.

What are the common signs that an environmental chamber needs repair?

Warning signs that an environmental chamber needs repair include temperature drift, humidity errors, or inconsistent recovery times. You might also notice alarms that won’t reset, unusual noises, or frost buildup, each indicating issues in the refrigeration or control systems.

If you see these symptoms, schedule service to prevent downtime or test inaccuracies.

How long does an environmental chamber repair usually take?

Most repairs and replacement parts can be completed within a few business days, depending on the issue and parts availability. Minor component replacements or recalibrations are often done on-site the same day, while complex repairs or retrofits may require additional diagnostic testing to verify full performance before return to service.

What preventive maintenance helps extend the life of an environmental chamber?

Routine upkeep keeps test chambers operating efficiently and prevents costly breakdowns. Key maintenance tasks include:

• Inspecting gaskets, sensors, and cables for wear or damage
• Cleaning drain lines and water reservoirs to prevent contamination
• Scheduling regular calibration and system checks every 6–12 months

AES also offers preventive maintenance programs tailored to usage, chamber type, and testing conditions to maintain peak performance.