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.
Solar supported gas-fired domestic appliances producing hot water - Appliances not exceeding 70 kW heat input and 500 litres water storage capacity - Part 3: Assessment of energy consumption; German version EN 13203-3:2010— 35 стр.
