Category: Opinion

Radiator sizing in the heat pump era: Why one size does not always fit all

Frank Donohoe of Donohoe Heating Services reflects on how the heating market has evolved over the past 15 years. While radiator styles have shifted toward the decorative, the fundamental physics of heat loss remain unchanged. Frank writes that as the industry pivots toward heat pumps, the reliance on ‘rule of thumb’ calculations can lead to inefficient systems and cold homes, particularly in retrofitted homes, making professional design and understanding manufacturer specifications more critical than ever.