Radiators and HVAC systems both have their advantages and disadvantages. Radiators are a great option for those looking for a cost-effective heating solution, as they are relatively inexpensive to install and maintain. However, they are not as efficient as HVAC systems, as they are limited in their ability to regulate temperature and humidity levels. HVAC systems, on the other hand, are more expensive to install and maintain, but they are much more efficient and can provide better control over temperature and humidity levels. Ultimately, the best option for you will depend on your budget, the size of the space you are trying to heat, and the level of control you need over temperature and humidity.