AC Blowing Warm Air. Check out Carriers new Green Speed system, terriffic system, much lower utility bills. A tell-tale sign of a refrigerant leak is ice build-up on the copper lines or evaporator coils. Several stress points are located in an air conditioning system, including weld points along the copper lines leading into and out of the home. 2. Most of the air conditioning cycle happens at the outdoor unit, so this is where refrigerant leaks typically occur. Strange Noises Coming from Air Conditioner. Signs of Leaking Refrigerant. Air bubbles can form in the refrigerant line as coolant leaves your air conditioner … If you need a new one, read our article, “My Air Conditioner is Dying, and I Need a New One…Now What?” You can follow the instructions you have received. As always find the best contractors on Angie's List! Leaking air conditioners can destroy ceilings, walls, and anything else around it. Could be a natural smell from the oil or something the oil found in its path, but there is oil in an HVAC system carried by the freon for lubrication of moving parts in the compressor that gets pumped through various sections of the system. The air conditioner isn’t cooling well; You hear a hissing or bubbling noise (indicating a refrigerant leak) Depending on the severity of the refrigerant leak you’ll either repair the leak or replace the whole AC unit. Air conditioner leak detection devices , methods, and techniques are discussed in this article. Minty is interesting! Sometimes you’ll wind up with leaks on the pump or a hose, which looks to be possibly your case here. Listen for any strange noises in the unit. This will indicate the air conditioner will need to be cleaned. To clean the cement, mix some bleach in some warm water and you can also add some detergent and then either use a brush to clean the cement or a pressure washer, if one is available. 3. Most all new systems will have a 10 year parts warranty, though it must be registered with the manufacturer to be valid. Our tech guys always give the same, straight forward advice: “USE your air conditioning!” Contrary to popular belief, refrigerant is not consumed by using the air conditioning. The tech should and may have indentified the leak, if not ask that they do so. If you find an air conditioning leak, address the issue immediately before you have a real problem on your hand. The most common source of lost refrigerant or oil in a functioning, leak-free system is at the compressor shaft seal. Ice Build-Up on the Copper Lines or Evaporator Coil. Importance of Freon gas leak detection is also explained as Freon gas affects health along with affecting the normal functioning of an air conditioning unit. Usually when you have a leak on an air conditioner in a car, 9 times out of 10, you can get away with just replacing all the O rings in the system to solve a leak, and o rings are cheap. So i just ordered a new air compressor for my car and had it installed by a mechanic. You’ll begin to notice your home takes longer to cool down and you may even feel your air conditioner blowing warm air through the registers. The following are some of the signs of a refrigerant leak: Leaking Fluid — At room temperature, refrigerant is in a liquid state. Leaking oil from an HVAC system very very likely also means leaking freon. This is one of the best ways to determine whether your air conditioner is leaking refrigerant or on the brink of breaking down.