You demand the best and so does Mitsubishi Electric. We have earned the status of Diamond Contractor® because we deliver the highest level of certification, training, and hands-on expertise. Mitsubishi Electric has a network of the finest and most knowledgeable independent HVAC contractors in the industry to provide you with superior sales, installation, and service support possible. We have invested time to professionally develop our skills at Mitsubishi Electric’s training centers located through-out the US. Only approved contractors that have attended Mitsubishi Electric’s training classes and demonstrated advanced product knowledge are awarded the coveted status of Diamond Contractor. The status is evaluated every year and Diamond Contractors must demonstrate their continued commitment to serving customers in order to renew their status. Mitsubishi Electric provides an industry leading 12-year factory warranty protection to back up their unmatched performance and product quality. The only way to get a full 12-year warranty is by purchasing and installing your Mitsubishi Electric product from a Diamond Contractor.