• September 6, 2026

Archives: News

India: Vacuum Tube System with PCM Storage Tank Heats Troop

The Indian Defence Institute of High Altitude Research (DIHAR), a laboratory of the Defence Research Development Organisation, has successfully tested a vacuum tube collector system for space heating at extreme […]

Nicaragua: Soft Loan to Fund EUR 4 Million Project

There is now nothing in the way of constructing an impressive solar heating and cooling installation in Nicaragua. At the end of September, the last signatures were placed under the […]