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Air Conditioner Energy Efficiency Ratings Can Be Confusing. Here's What They Actually Mean.
The EER or Energy Efficiency Ratio measures the cooling efficiency of an air conditioner or HVAC system, determined by ...
Air India plane crash: Investigators examining three key pieces of equipment as black box is recovered
Recap MailOnline's coverage after an Air India plane carrying 242 people crashes in Ahmedabad while heading to London Gatwick ...