Heat pumps have become the top choice for modern heating systems due to their high efficiency and low operating costs. However, many professionals and homeowners still wonder how effective they are when paired with traditional radiators and what specifications must be met to achieve optimal performance.
Thermovent has compiled the five most frequently asked questions and provides clear, technically sound answers, ensuring that every project, from a home renovation to a commercial installation, operates flawlessly.
1) Are modern radiators suitable for use with heat pumps?
Yes, they are suitable, provided that the heat pump is selected correctly in relation to the hydraulic heating installation.
2) Which radiators work best with a heat pump?
The ideal choice depends on the system’s supply temperature. Modern high-efficiency panel radiators work exceptionally well with heat pumps thanks to their advanced design and enhanced output.
These radiators are engineered to deliver high heating capacity even at relatively lower water temperatures.
3) Πώς γίνεται η ορθή διαστασιολόγηση των θερμαντικών σωμάτων για λειτουργία με αντλία θερμότητας;
The process always begins with a detailed heat-loss calculation for each room.
Next, the following parameters are considered:
• the desired room temperature
• the supply/return water temperatures
4) Are larger radiators required when using a heat pump?
A common “rule” claims that radiators need to be 2.5 times larger.
At Thermovent, we emphasize that this rule does not apply universally.
Every installation is unique, and the correct radiator size can only be determined through an engineering study and accurate heat-loss calculations.
Radiators must always be selected based on real project requirements, not empirical rules.
5) What should I consider when replacing old radiators?
When replacing both radiators and the heat source, the heating system’s supply temperature will typically be lower than in traditional boiler systems. To fully cover the space’s heat losses, this may require larger radiator dimensions. This is not always necessary, as older systems were often oversized. However, each case must be carefully evaluated.
Thermovent supports your project
Need guidance on radiator selection or designing a new heating system?
At Thermovent, we have the expertise and tools to design the optimal solution for any project from residential renovations to demanding commercial applications.
Our technical support team is always available to assist with accurate equipment sizing and to provide specialized advice that ensures high efficiency and reliable system performance.
