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A comment on India heatwave temperatures pass 50 Celsius. Parent comment

Re:India heatwave temperatures pass 50 Celsius by ricardobeat on Sunday June 02, 2019 @03:36PM (#20077537)
Air curtains can be extremely efficient and allow doors to stay open. That sounds like an insane waste of money and energy if store owners are not using one - are you sure you're not just feeling the 10-20% lost cold air when walking past?
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Re:India heatwave temperatures pass 50 Celsius by YeGoblynQueenne on Sunday June 02, 2019 @03:57PM (#20077689)
Yes, I'm sure.

Edit: because obviousy I also go into shops to buy stuff and I've never seen an air door used. If air doors are used, they are very, very rare.

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