We distribute a range of survey tools and simulation software for photovoltaic, solar thermal and heat pump design.
With interest in solar technology growing rapidly, customers are seeking out accurate predictions and a comprehensive evaluation of their property and load profile.
We sell a range of tools for all budgets to optimise solar energy systems and provide reliable estimations of investment return.
Don't just estimate: survey and simulate.
Design & optimise projects in 3D with PV*SOL Expert.
T*SOL simulation software produces professional reports.
Simulate the performance of heat pumps with GeoT*SOL
Analyse the effects of shading quickly, safely and precisely
The Solar Design Company is a trading title of The Very Efficient Heating Company Limited
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