Boosting energy efficiency – How low temperature heating can help save up to 30% energy
As the sector accelerates its push toward low-carbon, energy-efficient buildings, low-temperature heating systems are an increasingly attractive solution. In existing properties, this transition typically requires upgrading the boiler and, in many cases, replacing a significant portion of the radiators. While this represents a notable investment, Myson’s findings show that energy savings of up to 30% are achievable, allowing the initial capital outlay to be recovered over time. Because every building presents its own structural and operational profile, potential savings should be assessed on a case-by-case basis, and generic benchmarks should be considered indicative, but what remains indisputable is that modern heating systems realise their full performance only when the heat generator(s), heat emitters and control technologies are precisely coordinated. For project teams, this integrated approach is essential to unlocking both energy efficiency and long-term value.
Renovating Heating Systems for Energy Savings Buildings account for around 40% of global energy use, with heating systems responsible for nearly half of that, making the heating design a key lever for energy efficiency. To achieve maximum savings, the building envelope and system technology should be optimised together. Lowering system temperatures through condensing technology is a proven strategy. Reduced flow temperatures allow more heat recovery from flue gases, increasing overall efficiency. To realise the full benefit, modern control systems and the integration of renewables, such as solar thermal, are essential. When installing a new heat source and reducing system
temperatures, the heat emitters must be matched to the new operating conditions. Today’s radiators deliver far higher efficiency thanks to improved convector design, providing the same output as older units but at lower temperatures.
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