It’s a hot summer day, you’ve been baking in the sun, but now you’re behind the wheel of your trusted vehicle, ready to motor away, a cool blast from your air conditioner returning you to comfort and ...

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 ...

Q: A few years ago, I had the factory air conditioning on my 1970 Oldsmobile converted from Freon R12 to R-134a. This summer, the air conditioner only blew warm air. Can I convert back to Freon or do ...

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 ...

A refrigerant blend is two or more refrigerants mixed together to form a new refrigerant. All 400 Series refrigerants (e.g., R-404A, R-448A, R-449A) are classified as blended refrigerants. One of the ...

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, ...

In some respects, servicing today’s refrigeration systems is no more complicated than it ever has been. What has changed, however, is the need to understand the differences in the newer refrigerant ...

Ginny Bartolone began writing DIY and home improvement guides nearly 10 years ago, covering everything from energy-efficient appliances to cracked foundations. Whether she's compiling cost information ...