The modern air conditioning system cools an indoor space by using the refrigeration cycle. This refrigeration cycle works by controlling the level of energy in the system’s refrigerant: Some parts of ...

Timothy has written about personal finance, including detailed home renovation and repair cost guides, since 2017. His work covers everything from plumbing and roofing to solar and pest control. Find ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Portable air conditioners are small, wheeled machines that take air that’s hot, stale ...

Rebecca Brill is a writer whose essays have appeared in The Paris Review Daily, VICE, Literary Hub, and elsewhere. She runs the Susan Sontag's Diary and the Sylvia Plath's Food Diary accounts on ...