- Designing Central heating installations of residential buildings, office buildings. Performing heat lost and pressure lost calculation. Sizing heating units, pumps, pipes, regulation valves and other heating equipment. Making detail drawings, making bill of quantities. - Designing District heating heating substations and Boiler houses. Sizing heat exchangers, boilers, pumps, pipes, safety equipment, regulation valves, measuring equipment. Making detail drawings, making bill of quantities.- Designing District heating network systems, preinsulated systems, hydraulic and static calculations. Pipe sizing and heat lost calculation. - Designing Air conditional and ventilation systems of office buildings, bank branches, supermarkets. Performing heat load and air pressure lost calculation. Sizing fan coil units, air handling units, split systems, VRV and VRF systems, fans, air ducts. - Supervision of HVAC installations construction work. Leader of comission for technical reception of HVAC installations in residential and other buildings.