Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Portable air conditioners are small, wheeled machines that take air that’s hot, stale ...

The basic refrigeration cycle applies to all air conditioning and refrigeration systems. This is the method in which refrigerant is contained and circulated through the system in order to absorb ...

Q: Is it possible for an HVAC technician to overfill an air-conditioning system with too much refrigerant (my system uses R-22)? For example, if the system needs two pounds, is it possible for the ...

The air conditioning season seems to always be in full swing somewhere in the U.S. All air conditioning systems should be given a preventive maintenance tune-up before starting for the season. One ...

If your HVAC technician has ever told you that you have problems with your air conditioner's refrigerant, you may have found yourself bewildered by a flurry of numbers, chemical names, environmental ...

The refrigerant R1234yf is being considered for use in air conditioning systems in cars. Chemists now show that, in the event of a fire, it releases the highly poisonous carbonyl fluoride, and urge ...