The standard also provides qualitative and quantitative methods to measure duct debris, allowing consumers to conclusively determine the success of a HVAC cleaning project. Most recently, the standard was adopted by Japan and several European nations as the official ventilation cleaning standard. In addition, a reference document, Introduction to HVAC System Cleaning Services, A Guideline for Commercial Consumers was created. The exam covers all aspects of HVAC cleaning, and is quite challenging for even the most seasoned industry veterans. The ASCS designation is an important achievement demonstrating comprehensive knowledge and experience.
Consumers are well advised to require that any company they hire maintain certified ASCSs on staff.
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