• Heating/Cooling, Plumbing call: (302) 645-5267
  • Heating Oil & Propane call: (302) 684-4008


Mitsubishi Ductless Systems in Delaware


Say goodbye to cold rooms and outrageous utlility bills. And say hello to year-round comfort made personal. See how a Mitsubishi Electric Zoned Comfort Solution with Hyper-Heating INVERTER technology can keep you warmer than ever this winter:

  • Up to 40% more efficient
  • Quieter than a human whisper
  • Improves air quality
  • kumo cloud app control
  • Compatible with popular smart thermostats
  • The #1 selling zoned brand

Why Mitsubishi Electric?

Mitsubishi Electric is a world leader when it comes to residential and commercial ductless cooling and heating solutions, and the leading ductless provider in America.

When choosing Mitsubishi Electric, you're getting the most up-to-date and efficient technology, including the world’s most advanced, INVERTER-driven heat pump systems.

You’ll also come away with one of the industry’s top warranties: 12 years on parts and 12 years on the compressor, when installed and registered by a Sherman Corp HVAC specialist.

Why Buy From a Diamond Contractor?

Make Comfort Personal with an Authorized Mitsubishi Electric Diamond Contractor

You demand the best and so does Mitsubishi Electric Cooling & Heating. We have been chosen as a Diamond Contractor because we value the highest level of accreditation, training, and hands-on expertise. Mitsubishi Electric has only chosen the finest and most knowledgeable 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 one of Mitsubishi Electric’s approved 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 purchasing your Mitsubishi Electric product from an authorized Diamond Contractor.

Top 10 Reasons for Purchasing through an Authorized Mitsubishi Electric Diamond Contractor:

  1. Highly trained and skilled in HVAC sales, installation, and service
  2. HVAC specialists with years of experience in the industry
  3. Experts at recommending the right system for your home to maximize energy efficiency
  4. Only Diamond Contractors can offer you a 12 year factory warranty
  5. Diamond Contractors get ongoing product, maintenance, and installation training directly from Mitsubishi
  6. Diamond Contractors service all the Mitsubishi Electric products they sell and are supported from the factory
  7. Purchasing equipment from an Diamond Contractor ensures you get genuine parts when repairing or replacing a component
  8. Mitsubishi has experienced sales, service and technical personnel located in each region to quickly resolve issues on a local level for Diamond Contractors
  9. Diamond Contractors must be licensed, bonded, and insured for added peace of mind
  10. Diamond Contractors must sign a Code of Conduct agreement that focuses on providing superior customer service and support; before, during, and after your equipment purchase

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Call Us: 1-844-SHERMAN
Heating/Cooling, Plumbing call:          (302) 645-5267
Heating Oil & Propane call:
(302) 684-4008