Ir.7013.1.41.2025 Performing Multi-Discipline Investor Supervision In The Field Of Construction, Sanitary And Electrical Engineering For The Task "Thermal Modernization Of A Public Building Intended For Education Purposes". Task 1: "Improvement Of Energy Efficiency And Modernization Of The Heat Source With The Use Of Renewable Energy Sources In The Saint John Paul Ii Special Educational Center In Długobórz" Task 2: "Improvement Of Energy Efficiency And Modernization Of The Heat Source With The Use Of Renewable Energy Sources Of The 1St Stanisław Konarski Secondary School In Zambrów"