Free expert engineering support included

All parts engineer-vetted & approved

Talk to a solar engineer for free

Warranty advocacy & support

Free expert engineering support included

All parts engineer-vetted & approved

Talk to a solar engineer for free

Warranty advocacy & support

Engineered Reliability for Your Solar System.

At HG Engineering, we’re a team of solar engineers who got tired of the industry’s nonsense. So we built a different kind of parts supplier: one that gives you expert-vetted components, crystal-clear technical support, and a 100% reliability guarantee. Think of us as the engineering co-pilot for your solar project.

No One Does This. This is Why You Can Trust Us.

1. The Engineering Vetting Process

Before a product ever hits our shelf, it goes through our brutal testing lab. We stress-test components, analyze performance data under real-world conditions, and tear down units to inspect build quality. We don’t just trust the manufacturer’s datasheet; we verify it. You get a «HG Approved» badge on every product that passes.

2. Pre-Sales Clarity, Not Post-Sales Regrets

Stuck between two inverters? Unsure about compatibility? Schedule a free 15-minute call with our engineering team. Not a salesperson. An engineer. We’ll look at your design and tell you exactly what you need. This call alone has saved our customers thousands in wrong purchases.

3. The 100% Reliability Guarantee

We’re so confident in our vetting that every purchase is backed by our unique guarantee