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How to reduce a heating system’s carbon footprint
UK heat emitter manufacturer, Myson, says buildings are responsible for 40% of the total energy consumption and 36% of greenhouse gas emissions in the EU/UK. With about 50% of that energy consumption related to HVAC, the heating system offers a great opportunity to reduce our carbon footprint
N
abeel Javaid, Myson’s market & application specialist, says: “Both small and large interventions can lead to significant reduction
of the carbon emissions. Saving energy and reducing our impact on the planet’s climate is a step-by-step process, and even simple adaptations to the heating system can make a big difference”. According to Myson, key considerations for
reducing a heating system’s carbon footprint include:
1. Choose the best energy generator A good starting point is to evaluate the building’s current energy generation source. Oil and gas burners are the most carbon intensive heat generators, while thermal solar panels are the least. Ground or air source heat pumps’ use of renewable energy significantly reduces CO2 emissions compared to fossil fuels. But not everyone is in a position to install a heat pump, and a modern condensing boiler with suitable heat emitters already provides a good basis for low-temperature heating.
has both heating and cooling capability.” Electric radiators are also an interesting option, either to complement hydronic heating or provide a standalone heating solution. They convert every watt into usable heat and, when powered by solar panels, are closer to a carbon neutral heating system.
3. Correctly dimensioned emitters For both thermal comfort and energy efficiency it’s important that the heat emitters are dimensioned correctly. They need to generate sufficient heat output without overheating and wasting energy. Nabeel says “Both scenarios increase energy consumption, which is exactly what we need avoid.”
4. Hydronic balancing Hydronic balancing is important for the energy efficiency of the heating system. Optimising the hydronic distribution reduces energy consumption by 7-11%. Using adjustable thermostatic valves, you can easily limit the mass flow to avoid unbalanced water distribution. This is especially important for low-temperature systems because it ensures the system is set to best suit the energy source and maximises efficiency.
2. Combine the heat source with the right heat emitters Low-carbon heating systems run on (ultra) low temperatures. To enjoy optimal energy efficiency and create sufficient heat output, it’s important to choose the right emitters. Underfloor heating is often the most obvious option, however, modern radiators offer an excellent alternative. Nabeel adds,
“As one of the few manufacturers to offer both underfloor heating and radiators, we believe that a combined heating system offers a more complete solution with many advantages. For example, flexibility, energy efficiency, a tailored heating solution for any space.” Nabeel continues “For
temperatures below 45°C, we offer a fan- assisted radiator, Myson ULOW E2, or the iVECTOR S2 fan convector, which
5. Choose the right controls Controls help tailor the system so that only the exact amount of energy is used, already reducing the heating system’s carbon footprint. Basic heating controls should include a programmer, room thermostat and, in the case of a radiator system, TRVs. The right use of these core elements improves efficiency and energy use. By adding modern heating controls, or even smart heating controls such Unisenza Plus, it’s easier than ever before to upgrade existing systems and further optimise fuel consumption, subsequently reducing carbon footprint.
6. Zone temperature control Zone temperature control combines and controls multiple thermostats, each regulating the temperature of a specified zone, so that different temperatures can be set per zone. Not all areas require heating at the same time, or at the same temperature, so this allows more tailored control and avoids wasting energy in unoccupied areas.
7. Good insulation reduces heat loss Proper insulation in key areas reduces heat loss and avoids using excess energy to heat the building in winter. In summer, the heat is kept out which reduces the need for cooling. Increased insulation can also facilitate lowering flow temperatures in the heating system, reducing energy. Nabeel concludes: “Regardless of how big
or small the intervention, all of the above suggestions contribute in their own way to reducing the heating system’s carbon footprint. If we all do our bit, together we can make a difference.”
www.myson.co.uk
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