Air Conditioning, Heating and Plumbing - Advice, Discussion and Tips from ARS®/Rescue Rooter®. Welcome to the ARS/Rescue Rooter Home Connect, your online resource center for information, answers and interactive advice about air conditioning, heating, plumbing and drain maintenance. As part of our commitment to providing exceptional service, we created the ARS/Rescue Rooter Home Connect to be a useful tool with many helpful ways to find what you need.
Our home and air conditioning are 5 1/2 years old. The inside coil was just replaced at it was the source of the leak. During the first year we were here we noticed the contractor put in a 10 SEER where we paid for a 13 SEER. We asked for a refund, yet he insisted on putting the right one in. I figured they would make a mess of things and I guess they did. They swapped ours with another from a house nearby. Shortly after that the system failed and the vendor said there was 5 pounds too much Freon in the system. The coil leaked slowly from that point on and the question is: Will too much refrigerant cause a coil to leak and fail? And I’m wondering. Should I have kept the 10 SEER because our savings in electricity is more than wasted now?
Indoor coil leaks on an air conditioner are not caused by too much refrigerant in the system. The indoor coil of an air conditioner is on the low pressure side of the air conditioning system, and excess pressure would not result on this portion of the system. A heat pump system with too much refrigerant could possibly cause a problem, because the high pressure side of the system is switched to the indoor coil in the heating mode. A substantial overcharge of refrigerant could result in high operating pressures indoors in a heat pump system in the heating mode. I suggest you get a second opinion on your issues from a reputable HVAC contractor, like ARS/Rescue Rooter.
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