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Industry insight
The evolution of energy efficient strategies in homes
According to Martyn Bridges, director of external and governmental affairs at Worcester Bosch one of the most overlooked issues in our journey to reduce carbon emissions, is the energy efficiency of properties and their heating systems. The government is strongly pushing for a transition from gas boilers to heat pumps. However, there are many short- and medium-term measures that could be undertaken
by at least 6%. Depending on the system and controls installed, this is probably achievable. Many proposals suggest removing old-fashioned
E
arlier this year, the government published their response to a consultation called “Improving Boiler Standards and Efficiency.” The intention behind this policy proposal is to improve the efficiency of heating systems in homes
on-off controls. For years, properties have simply turned the boiler and heating system off once the house reached a certain temperature. With the advent of condensing boilers from 2005 onwards, reducing the flow temperature from a boiler can make it condense more and improve efficiency. One proposed measure is to remove on- off controls (Classes 1, 2, and 3) and make some form of compensation control (load or weather compensation) the minimum standard. It has been required for some years that individual room temperature controls, such as thermostatic radiator valves (TRVs), are installed on boiler systems. However, many properties
still lack these. In recent years, we’ve seen the advent of smart electronic TRV controls, where a central controller can operate rooms at different temperatures or turn them off from the controller itself, rather than manually. Regular servicing of boilers and maintaining the quality of water in the heating system—keeping it free from contamination and oxygen—can also lead to significant savings. These small measures, when multiplied by the 23 million homes heated by gas or oil-fired boilers, can contribute greatly to reducing carbon emissions. To summarise, while our ultimate aim is to
transition to low-carbon heat generation, presently electricity, and potentially greener gases or oils in the future, small measures can be taken now to start reducing carbon emissions.
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