For UK solar installers
On the roof
Designs your crew can actually fit
Design summary
Scored against your own stock
Every combination
It designs the system — bespoke by our engineers, or self-serve through the tool. And it turns more of your enquiries into booked jobs.
Instead of the oversized, one-size-fits-all system a generic quote would have sold.
Instead of a quote that looks like every other quote in their inbox.
What's the catch?
We make money one way: installers pay for access. There's no version of this that works unless the tool earns you more than it costs — so that's the number we design every release against.
Questions
No. Our design system sits before detailed design — it finds the best-performing, most profitable configuration first, so your team designs around a stronger starting point.
Our design system scores every viable component and layout combination against both installer margin and expected system performance, then surfaces the designs that do well on both — not just the cheapest or the biggest.
Yes. Our design system proposes optimised design options. Your team makes the final design, quote, and installation decisions.
We make money one way: installers pay for access to the tool. That's the whole model — and it only holds up if the tool earns you more than it costs, which is why we aim to give you back at least five times what you pay for it.
Why we built this
Helios Cambridge started when our own team tried to buy solar and kept getting quoted oversized, cookie-cutter systems dressed up as bespoke. We're Cambridge PhD engineers, so we built our own way to do it properly: a machine learning method that tests real component and layout combinations from your stock and finds the one that actually earns you the most — without shortchanging the customer.
Configuration search
Ranked on margin and performance
12 × 440W + 5.2kWh
14 × 410W + 5.2kWh
12 × 410W + 10kWh
Cambridge PhD engineered
Our design system comes out of Cambridge. The optimisation model is built and validated by PhD engineers, not bolted onto a generic quoting tool.
Machine learning
Instead of a rule of thumb, our design system scores thousands of real panel, battery, and layout combinations from your stock on margin and performance.
Bespoke to the job
Every design is built for that specific roof, orientation, and usage — not pulled from a generic size chart.
Real component costs
Every price is built from the real cost of the panels, inverters, and batteries in your stock — not a generic per-watt estimate.
You stay in control
Our design system surfaces optimised options. Final design, quote, and sign-off stay with your team.
We're only taking on a handful of early adopter installers in each area. Join the waitlist to secure your spot.
Our goal: at least 5x back on what you pay us.
Or email us directly at luke@helioscambridge.com