Certification
Mitsubishi Electric Diamond Contractor
As a proud certified Mitsubishi Electric Diamond Contractor, 3rdGen delivers expert heat pump design-build with industry-leading warranty coverage and factory-backed product support for Bay Area homeowners.
12 Year Parts & Compressor Warranty
Why it matters
Why Choosing a Certified Contractor Matters
Finding someone trustworthy to handle and install your new products can be tricky. However, when you work with a certified Mitsubishi Diamond Contractor, you’re hiring a trained professional committed to providing expert product knowledge and a hassle-free experience.
Ongoing Training and Quality Workmanship
Our team is dedicated to staying up to date with the latest industry technologies, following best practices for installations, and maintaining high standards of workmanship. As a proud member of the Mitsubishi Electric Diamond Contractor program, we’ve completed extensive training to properly install and repair Mitsubishi products.
Exclusive Benefits for Our Customers
The Diamond Contractor certification gives us priority access to Mitsubishi product support and allows us to offer industry-leading 12-year parts and 12-year compressor warranties. This means greater peace of mind and better long-term value for our customers.
Mitsubishi Electric
Benefits of Working with a Mitsubishi Diamond Contractor
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Factory-trained installation and service for Mitsubishi Electric heat pumps
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Priority access to Mitsubishi product support and technical resources
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Industry-leading 12-year parts and 12-year compressor warranties on qualifying equipment
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Equipment selections sized with Manual J-informed design — not rule-of-thumb swaps
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Ducted, ductless, and mixed layouts for real Bay Area home conditions
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Exclusive warranty coverage
Mitsubishi Diamond Contractor status enables us to offer exclusive 12-year parts and compressor warranties on qualifying installs.
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Energy efficiency
Mitsubishi Electric heat pumps deliver unmatched energy efficiency in the HVAC industry.
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Precise energy usage
Units use only the exact amount of energy required to heat or cool a specific area.
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Improved performance
Designed for superior performance compared to traditional systems.
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Lower carbon footprint
Helps reduce your home’s environmental impact.
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Cost savings
Up to 40% more efficient than traditional systems, resulting in significant utility savings.
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Common Questions
Common questions
What is a Mitsubishi Electric Diamond Contractor?
Diamond Contractors are independent HVAC professionals who complete Mitsubishi Electric factory training and meet program standards for installation quality, product knowledge, and customer support. Certification unlocks extended warranty options and direct factory resources.
What warranty coverage comes with Diamond Contractor installs?
Qualifying Mitsubishi Electric equipment installed by a Diamond Contractor may include 12-year parts and 12-year compressor warranty coverage — longer than standard manufacturer warranties. Final coverage depends on equipment model and registration requirements.
Do you only install Mitsubishi equipment?
We are Mitsubishi Electric specialists and design around the best technology for your home. For many heat pump scopes, Mitsubishi ducted and ductless systems are our primary recommendation — sized with Manual J/S/D, not guesswork.