T4 has fourteen years of experience designing and installing systems which combine biomass, solar, heat-pumps and fossil fuels. This has given us the expertise to design systems that provide the maximum yields and require the least maintenance.

Our main company objective is to increase the sustainability of our community, by offering expert impartial advice, and installing sustainable technologies which are appropriate, affordable, and provide the best possible performance and longevity.

This website provides information on our:

If you have any questions, please contact us.