Chilli Willie Mechanical is a Mitsubishi Diamond Dealer

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Whole-home rebates are available to customers who install heat pumps as the sole source of heating and cooling

Rebates up to $10,000
Federal Tax Credits
0% Financing

*Learn more about eligability requirements at masssave.com

Why Mitsubishi Heat Pumps?

Energy Efficiency

Our heat pump systems are 160% more energy efficient than most gas furnaces

Sustainability

Our all-electric heating solutions operate with zero emissions by using compression and heat transfer

All Climate Performance

Mitsubishi exclusive hyper-heating technology at 100% rated capacity in extreme cold

Auto Changeover Mode

The system can automatically switrch between heating and cooling

Hire with Confidence

🛡️ Extended 12-Year Warranty

Only Mitsubishi Diamond Contractors can offer an exclusive 12-year limited warranty on parts and compressors. That’s over a decade of coverage — protection you won’t get from non-certified installers. We register your system properly and meet all manufacturer guidelines so your warranty is active and fully valid from day one.

🎓 Factory-Trained Experts

Our team undergoes advanced Mitsubishi-specific training to stay current with the latest heat pump technology and installation techniques. From zoning solutions to energy optimization, we know how to customize your system for year-round comfort — and do it right the first time.

💰 Flexible Financing Options

We believe comfort shouldn’t be out of reach. That’s why Chilli Willie Mechanical offers affordable financing solutions to make upgrading your heat pump simple and budget-friendly. Whether you’re replacing an aging system or building new, we’ll help you find a plan that works for you.