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
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
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.

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.



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