When installing a heat pump at home, it is important to upgrade your radiators for larger or more efficient ones. Heat pumps operate by heating water that runs through the radiators at a lower temperature compared to gas and oil boilers. This is known as the flow temperature. By using larger radiators that release more heat into the rooms over a longer period, you can achieve the same or even more heat output than before. It is highly recommended not to cut corners on radiators, and accredited installers