There perhaps is nothing more uncomfortable than being in a car on a hot summer day with warm air blowing out of the vents when the air-conditioning system is turned on. This could be occurring ...

If your car’s air conditioner blew ice-cold air last year but barely cools now, chances are it lost some refrigerant over the winter. That happens in older vehicles when the aging seals contract and ...

Imagine being stuck in bumper-to-bumper traffic on a brutally hot summer day when, unexpectedly, your car’s AC stops blowing cold air. Not only is this going to make your drive unbearable until the ...

Automotive air conditioning systems have seen some changes over the years, including the switch from using R12 to R134a. Here ...

If your car AC isn’t cooling like its usual frosty self—or worse, if your car AC is blowing hot air—the chances are pretty good that your AC system is probably still working. It just needs to be ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Over time, a car's air conditioning system will begin be less and less effective, ...

MADISON, Ind. — Vehicle Service Group's (VSG) Rotary brand has introduced a line of fully automatic air conditioning diagnostic and recharging equipment. The Rotary R3AC Series A/C recharging machines ...

This ain't no installation tech feature (though we may get to that in the near future), but it's more an overview of air conditioning systems, how they work, why they sometimes don't work, and how to ...

For many years, hydrofluorocarbon (HFC)-134a was the alternate refrigerant of choice to replace chlorofluorocarbon (CFC)-12 in many medium- and high-temperature stationary refrigeration, air ...