Mitsubishi Electric Cooling & Heating is dedicated to being an industry leader by providing high quality, highly reliable products and, and expert support services through our Professional Solutions Group (PSG). The mission of the PSG is to ensure that the HVAC and controls systems you have invested in are operating at peak efficiency, and delivering years of trouble-free operation. To support the efficient operation of that investment, we provide the following programs (among others) to help maintain, service, and stay current on your Mitsubishi Electric Cooling & Heating system: Project supervision, owner training, system start-up, project training, system commissioning, design support, retro commissioning, and system evaluation.