Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW - Part 3: Requirements, test conditions and test methods; German and English version prEN 12309-3:2022
Gas-fired domestic appliance producing hot water - Part 6: Assessment of energy consumption of adsorption and absorption heat pumps; German version EN 13203-6:2018— 50 стр.