Brightbox Efficiency
Independent engineering consultancy for business and home energy.
Real numbers, not sales pitches. We're engineering specialists across renewable energy and industrial maintenance — helping businesses and homeowners cut energy waste and plan smarter, with independent advice and clever tools that show you the numbers in minutes.
See a rough solar payback estimate for your postcode — no signup.
£2m+
saved in utility costs across large-scale logistics operations
20+ years
in engineering & maintenance practices
500MW+
in renewable assets managed end-to-end, globally
Qualified
Solar Consultant Expert, REI certified
Solar Payback Calculator
Postcode-based solar generation, savings, and payback modelling for installers and homeowners.
Try the calculator →Maintenance Consultation
Maintenance strategy, preventative planning, and contractor oversight across HVAC, conveyance, robotics, and solar/BESS equipment.
Learn more →Energy Efficiency Survey
A remote, bills-based energy efficiency assessment with practical savings tips.
Start the survey →