Should I get air conditioning in the UK – and can it be green?
Summary
As UK summers get hotter due to climate change, more people are buying air conditioners. While air conditioning uses a lot of electricity and can increase carbon emissions, using solar power or running units during times of renewable energy availability can reduce environmental impact.Key Facts
- About 4 million UK homes now have air conditioners, doubling in three years.
- Portable air conditioners use about 1 kilowatt (kW) of power, while built-in versions use up to 2.7 kW.
- The UK government’s climate advisers say 22% of homes will need cooling with 2°C of global warming.
- Running a portable air conditioner for 8 hours daily can produce about 4.87 kg of CO2, equal to driving 18 miles.
- Using solar panels or timing air conditioning to renewable energy availability can reduce emissions.
- Heat pumps are more efficient than traditional air conditioners as they move heat rather than generating cooling directly.
- Portable units are less efficient and use more energy compared to fixed air conditioning systems.
- Air conditioning helps protect vulnerable people during extreme heat, despite environmental concerns.
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