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What Is a Gas Certified Engineer? A gas certified engineer works on gas systems in domestic and commercial settings. They diagnose problems and repair them. They also provide reassurance to customers. They can assist you in understanding your gas system better and recommend upgrades. The managed learning program is a practical and quick way to become gas engineer. They can take as little as 26 weeks and involve an amalgamation of classes and practical workshops. Qualifications A gas engineer is an expert in install