Comment on I've been using this simple trick to keep cool in the heat wave (UK)

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drath@lemmy.drath.ru ⁨3⁩ ⁨days⁩ ago

All HVAC systems recirculate the inside air, without bringing in fresh air.

You’re wrong on that one. Ducted air conditioning systems do bring fresh air in, as well as positive inflow and heat recovery ventilation systems.

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