As commercial HVAC systems age, they may experience leaks. Because these units are considerably larger than their consumer-grade counterparts, a commercial air conditioning refrigerant leak can ...

Q. P.W. of Oak Park asked whether it was worth fixing a small leak in the car’s air conditioning system (Cars, July 10). You replied that for a 10-year-old car, it might be better to “just top off the ...

Here's the thing. An HVAC leak might seem like a minor annoyance at first.Maybe you hear a hissing sound or notice your ...

Refrigerants from old air conditioners, fridges, and heat pumps can trap far more heat than CO2, and millions of canisters still sit around leaking. This video follows the team tracking them down, ...

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 ...

Dear Angie: I have an old heat pump air conditioner with R-22 refrigerant that leaks out periodically. I've heard of contractors using a leak sealant to correct this problem. Are sealants effective?

Old air conditioners that leak refrigerant will become more costly to fix starting in 2020, local heating and air conditioning specialists said. Effective Jan. 1, the United States will no longer ...

Dear Action Line: What is the mathematics on "topping off your air conditioner with Freon?" This costs more and more each year and lasts only a few weeks. - J.C., Tulsa. "Let's clear the air on this - ...

Some owners of 2006-07 Chrysler Town & Country, Caravan or Voyager minivans with rear air-conditioning systems may complain that their a/c system doesn't get cool enough or blows warm air. One likely ...