There isn't a clear superior option between window units and portable options. Choosing between the two largely depends on ...

If you’re interested in saving money on your home heating bill, you might consider what’s known as a mini or a micro heat pump. These portable units work like air conditioners, and are often marketed ...

There’s nothing like an unexpected heatwave to make you realise just how ill-equipped a typical British bedroom is for summer. Over the last month or so, with the UK being treated to some properly ...

The Zero Breeze Mark 3 I saw at CES 2025 is basically a 22-pound heat pump that can run off of a battery. Jon covers artificial intelligence. He previously led CNET's home energy and utilities ...

CHICAGO — Portable units are used in a variety of applications, including when a primary HVAC system breaks down, when spot cooling is needed, when supplementary cooling is needed, or when portable ...

Dear Jim: I like to use natural ventilation, but sometimes I need to air-condition. Since it is just my husband and I here now, we need to cool only a room or two. Would a portable air conditioner ...

Central heat pump and mini-split systems have been in the news for some time now as energy-efficient alternatives to traditional gas and electric furnaces. But when my housemates and I inquired about ...

Dear Jim: I like to use natural ventilation, but sometimes I need to air-condition. We need to cool only a room or two. Would a portable air conditioner make sense for us? — J.C. ANatural ventilation ...

Q: I am trying to run my central air conditioner less to save electricity. Would using a portable air conditioner use less electricity? Does one have to be vented outdoors through a window? A: Anytime ...

Q. We have central air-conditioning. It seems wasteful to cool the entire house when just we two are home. Is using a portable air conditioner in various rooms more efficient overall? A. Natural ...

Dear Jim: I like to use natural ventilation, but sometimes I need to air-condition. Since it is just my husband and I here now, we need to cool only a room or two. Would a portable air conditioner ...