The top tier of Mitsubishi Electric’s contractor program, earned not bought.
Diamond Elite is the highest level Mitsubishi awards its installers. It means factory-trained design, expert installation, and access to Mitsubishi’s strongest warranties on the systems that keep Pittsburgh homes comfortable through every season.

Mitsubishi Electric ranks its contractors in tiers. Diamond Elite sits at the top, and a contractor has to keep earning it every single year.
Our team completes Mitsubishi Electric’s ongoing factory training on the latest equipment, sizing, and installation standards, every year.
The Elite tier requires a track record of installs done right, across the full Mitsubishi lineup, not just an occasional job.
Mitsubishi reviews customer satisfaction and warranty history. Cut corners and you lose the status. We have kept ours.
From a single room to a whole building, our Diamond Elite team handles the full lineup.
Ductless heating and cooling for additions, finished spaces, and whole-home comfort.
Concealed indoor units that deliver mini-split efficiency through discreet ductwork.
Mitsubishi City Multi VRF systems for offices, multi-unit, and light commercial buildings.
It is the top tier of Mitsubishi Electric’s contractor program. Diamond Elite contractors complete ongoing factory training, maintain a strong install record, and meet Mitsubishi’s customer-satisfaction standards. It is a status that has to be re-earned, not a one-time badge.
Not necessarily. You get factory-trained installation and access to Mitsubishi’s best warranty coverage, which protects your investment and can save you money over the life of the system. We give you an upfront price before any work begins.
Qualifying Mitsubishi systems installed by a Diamond contractor can carry up to a 12-year parts and compressor warranty when registered after installation. We handle the registration and walk you through exactly what your system is covered for.
Yes. We install, maintain, and repair Mitsubishi equipment, and our team is here for the life of your system, with 24/7 emergency service when you need it.
Talk to a Diamond Elite team about the right system for your home. Upfront pricing, no pressure, backed by our 100% satisfaction guarantee.