Noticias
Panasonic presented its N series with R-454C at Chillventa 2026. We compare R-32, R-454C and R290 in tables: composition, F-Gas calendar, DHW, water quality, maintenance and manufacturers.
Q-Tech attended a VDI 2035 training session in Granada at the invitation of Domusa Teknik and Sertegra. We summarise conductivity, pH, oxygen and hardness, the table by output and litres per kW, and five steps to fill a heat-pump system correctly.