The heat demand of your property is calculated to ensure that the heat pump is adequately sized to heat all of your home and all of your hot water, all year round.
A correctly sized heat pump is powerful enough to heat your house and hot water even on very cold days with temperatures as low as -20ºC. No secondary heating system is required. Nordic countries such as Finland, Norway, Sweden have been installing heat pumps for many years particularly in their ski resorts.
Your hot water needs are calculated to select the correct size of cylinder for your family giving you plenty of hot water at your chosen temperature up to 65ºC.
Heat pumps are typically cheaper than LPG and usually significantly cheaper than oil or electric heating.
If your radiators are adequately sized for the room and you have chosen a high temperature heat pump, you will not need to change them.
Typically 3 years but there are options to extend to 7 years. Heat pumps are very low maintenance compared to boilers.
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