Many homeowners opt to cover their AC units during the winter to shield them from debris and protect them from ice and snow, but it can be hard to tell whether doing so causes more harm than good.

PROPER maintenance of your central AC unit during winter isn’t as simple as turning it off until spring. Homeowners taking ...

Winter is hard on outdoor equipment, and your air conditioner is no exception. If you want reliable cooling the moment the first hot spell hits, you need a clear plan to shield the unit from ice, ...

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

Portable ACs have specific quirks to consider. Here's what I learned about buying and installing a mobile air conditioner. John Carlsen has more than a decade of experience testing and reviewing home ...

Do outdoor air conditioning units need protection from the winter elements? Covering your HVAC unit may seem like a logical step, but experts say the answer isn’t so simple. Some professionals caution ...

As is the case for many people, my home cannot be retrofitted with central air. My 100-plus-year-old Brooklyn apartment, which features prominently in my seven years of air quality reporting for WIRED ...