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Mitsubishi Warranty

Comfort. Quality. Reliability.


Sell and install Mitsubishi Eletric equipment with confidence

  • Diamond Contractors may offer the industry’s most aggressive 12-year compressor and parts warranty
  • Callbacks are minimal on properly installed systems
  • Mitsubishi Electric systems operate with lowest industry failure rate
  • Product registration is easy, in field or in office, with app-based and online system registration



The purpose of this policy is to administer compensation for warranty reimbursement on Mitsubishi Electric brand products according to the terms and conditions of the product warranty and agreement. Mitsubishi Electric parts may be sold only to licensed or certified heating air-conditioning technicians.


Mitsubishi Electric M-Series Air-conditioner and Heat Pump Systems:

  • If system is installed in a residential single-family home by a Diamond Contractor and registered with 90 days from installation, the parts and compressor will be warranted for a period of 12 years, to original owner, so long as original owner resides in home
  • To view entire Warranty Statement, send your request for that document to your Mitsubishi Electric Sales Rep, or view online at

Diamond Contractors can offer the 12&12 Limited Warranty.