Designed for reliability
At Mitsubishi Electric, we stand behind our products and the trained professionals that install them. Be sure to register your residential or commercial system to receive the care you and your customers’ systems deserve.
Get the best system warranty for your home
12 year parts/compressor
- Installed in a single-family home by a Diamond Contractor® or Ductless Pro
- Registered within 90 days of installation
- Original equipment owner residing in the home
Read full residential limited warranty statement here
Register a commercial system
Once you’ve designed your system with Diamond System Builder™, there are four steps to receive our 10 year extended warranty. Please review the Extended Warranty Process Guides for full details. Here’s what you’ll need to get started:
Diamond System Builder file (as-built)
Maintenance tool system information
Maintenance tool run time data (minimum of 60 minutes for each system)
All files and documents submitted through Diamond System Builder within 45 days of system startup
