What is the best way to calculate how many solar thermal panels I need?

We have an online solar thermal calculator that determines potential hot water savings, build a system performance report and print off a parts list.

The tool helps you size your homeowner is system and provides a report showing potential savings including RHI income

This tool will help you specify a domestic sized solar thermal system for up to 6 occupants.

Send enquiry

Send us an enquiry via our website and we'll get back to you as soon as we can.

Register guarantee

Register your Worcester Bosch product here by following a few simple steps.

Manuals & brochures

Lost the instructions? Don't worry. Download PDF copies of product use manuals, instructions or brochures here.

Customer Support

Find out about our service plans and book your next appointment.

Customer relations

Please contact our customer relations team if you have any feedback, comments or criticism of our products or services.