We designed and implemented a solution to extend the life of legacy air conditioning service machines by retrofitting them with IoT capabilities, eliminating the need for costly hardware replacements. Through the integration of secure IoT modules, these machines were connected to the cloud, enabling real-time monitoring, diagnostics, and control.
Operators can now access a responsive web application from any laptop or smartphone, giving them full visibility into machine performance, remote configuration options, and immediate alerts when issues arise. This transformation not only modernized the workshop experience but also introduced greater efficiency, improved security, and reduced operational downtime bridging the gap between traditional hardware and a connected, data-driven future.
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The Problem It Solves
Our client relied on a large fleet of legacy workshop air conditioning service devices that were still mechanically sound but lacked digital connectivity. Replacing this equipment would have required significant investment and operational downtime, so the challenge was to modernize the existing hardware instead of starting from scratch.
The devices could not natively connect to the internet, transmit telemetry data, or integrate with the client’s emerging digital ecosystem. This meant operators had to perform diagnostics and configuration tasks manually on-site, often resulting in inconsistent processes, limited visibility for managers, and delayed responses to potential faults.
Security and access control added another layer of complexity. Any modernization approach needed to ensure that sensitive operational data was protected, remote access could be tightly managed, and only authorized users could interact with the upgraded machines. At the same time, the solution had to be cost-effective, scalable, and robust enough to handle continuous use in demanding workshop environments.
By addressing these constraints, the project aimed to bridge the gap between legacy hardware and modern IoT capabilities, enabling real-time monitoring, remote configuration, and predictive maintenance while maximizing the lifespan of existing machines.
Key Features
IoT connector retrofitting using existing USB interface
Real-time machine status and data visualization
Remote configuration and diagnostics
Onboarding flow for securely linking new machines to the platform and link them only to the company they belong.
Role-based access control with AWS Cognito
Multilingual interface (DE/EN) for wider usability
Service reports can be generated and then either printed or sent via email.
Access to machine manuals and FAQs
Mobile and desktop responsive web application built in Angular
Impact / Results
Extended lifespan of existing machines without costly hardware replacement
Enabled workshops to perform remote diagnostics and tests, saving operational time
Improved security and compliance by enforcing company-specific access control
Provided a consistent user experience across devices and locations
Reduced onboarding time for new machines and operators
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