Every technician remembers the first time they encountered a ductless mini-split and the panic they felt inside. Not only do these units look unusual, but they behave to some extent differently from ...

Ductless mini-splits have become increasingly prominent in apartments or condos that were originally built without air conditioning. This is mostly due to the compactness of the unit and the ease of ...

If your home isn’t equipped for central air conditioning, mini-splits may be a smart alternative, particularly if you don’t want to install and remove clunky window units each season. Mini-splits, ...

Home Improvement The hidden costs of having a mini-split heating and air-conditioning system Air quality experts say units collect dust and mold and can be expensive to clean. Mini-splits are popular ...

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Which mini split air conditioners are best? Mini split air conditioners are heating and cooling systems that allow users to control temperatures on a room-by-room basis. They are more efficient than ...

Woman using a remote to control a mini-split system hung on a wall - antoniodiaz/Shutterstock If you want to add an air conditioning system to your home without ...

Mike De Socio is a CNET contributor who writes about energy, personal finance, electric vehicles and climate change. He's also the author of the nonfiction book, "Morally Straight: How the Fight for ...

When he left a job at Google, Paul Lambert knew that he wanted to work on a new challenge that would interest him for the next decade. The answer: designing a better heat pump. Heat pumps now outsell ...