Yes, a heat pump can often be used in combination with regular radiators, but there are some considerations to keep in mind. Traditional radiators operate at higher water temperatures than what heat pumps typically provide, so adjustments may be needed to make the heat pump function efficiently. Here are some points to consider:

1. Water Temperature:

   • Heat pumps generally deliver hot water at lower temperatures than gas-fired heating systems. Traditional radiators are designed for higher water temperatures. This difference can affect the efficiency of the heating system.

2. Low Temperature Radiators or Underfloor Heating:

   • For optimal operation of a heat pump, it is often recommended to switch to low temperature radiators or underfloor heating. These systems can more efficiently emit heat at the lower water temperatures that heat pumps produce.

3. Calculation of Heat Demand:

   • A detailed calculation of the home's heat demand is necessary to determine if regular radiators in combination with a heat pump can provide sufficient heat. In some cases, additional measures may be needed, such as increasing the surface area of the radiators.

4. Hybrid Systems:

   • Hybrid heating systems, where a heat pump is combined with a traditional boiler, can be a solution. This allows the heat pump to be used for moderate temperatures and the boiler to be activated when extra capacity is needed.

5. Professional Advice:

   • It is highly recommended to seek advice from a certified installer or a heat pump specialist. They can assess the specific characteristics of your home and make recommendations for the most suitable heating system.