DHT® provides expert environmental chamber retrofits to upgrade aging or underperforming test systems with modern, energy-efficient technologies. Whether you’re operating an aging test chamber or legacy environmental system, our test chamber retrofits enhance control precision, reduce power consumption, and extend equipment lifespan. Suitable for electronics, automotive, aerospace, and materials testing industries, DHT® retrofitting solutions ensure your chambers meet today’s reliability, safety, and sustainability standards—without the cost of full replacement.