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How to set your thermostat based on science


Your heating system may also be running cooler than you expect. Especially with modern gas boilers and heat pumps, the “low and slow” concept can achieve significant energy savings. This means that when using, for example, hot water to heat a radiator, you need to ensure that the temperature of the water does not exceed 113 to 122 degrees Fahrenheit. This is called the flow temperature and is completely different from the thermostat temperature, which determines how warm the room is.

How low the water flow temperature can go depends largely on the design of the heating system – low water flow temperatures are ideal for underfloor heating or water-based systems with large radiators, as the large surface area helps transfer heat into the room . The insulation in your home can also affect something.For example, the PassivHaus property is Built to extreme standards Energy efficient, requiring little active heating.

Alsop says setting a gas combi boiler’s flow temperature to 122 degrees or below also helps save money in the second way, because it makes the boiler easier to operate. Condensation modewhich recovers heat from hot gases that would otherwise escape into the air, thus using less fuel overall.

Last autumn, British charity Nesta launched an online tool to help people find ways to lower boiler water temperatures. From October 2022 to March 2023, 214,000 people use this tool and lower boiler water temperatures – which equates to annual savings of £20 million ($25.21 million) in energy bills, or a total reduction of 37,000 tonnes of carbon emissions.

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Lower temperatures and a carefully managed heating plan – in theory it’s already there. But putting it into practice may be more difficult. If there is more than one person in a house, it is not always easy to choose a room temperature that both parties agree on.Older people naturally feel colder because their blood circulation is lowerAnd other factors.research shows Women are more likely to feel cold than menpartly due to differences in their musculature—although there are exceptions.

Benjamin Sovacool of the University of Sussex in the UK said thermostats could be a flashpoint for “thermal conflict”.He and his colleagues have discovered Study behaviors and reactions Residents of 100 homes in the UK equipped with smart heating technology. “People are fighting,” Sovacool said. Some complain about being too cold compared to their partners, while others say family members are wasting money and harming the planet by warming too much. Sauvacour said these disputes often represent larger, deeper problems in these relationships.

Privacy-invading smart home systems can sometimes reveal problematic behavior. For example, you may find that the heating or hot water is turned on when you think your partner is not home. “I think we have three families in 100 that have systems tracking suspected infidelity,” Sovacool said.

If your goal is to run your heating system as economically as possible, you have to remember that people are very picky about the temperatures they can tolerate. Their preferences for these things tend to be “inelastic,” Sovacour said. Room heating can be supplemented with thermal clothing, heated clothing or blankets, and other low-cost measures.

Beyond that, Sovacool also suggested that giving people granular control over their heating, perhaps with the help of a smart thermostat, would actually help reduce the likelihood of arguments. However, this is not guaranteed in life.

“My partner and I argue about this all the time. I like it to be about 5 degrees cooler,” he said. “That’s just my constitution, dammit.”



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