Welcome to the blog of  Anthony Mechanical Heating Cooling & Appliance Inc. located in Brick and serving the surrounding Ocean and Monmouth Counties, NJ.

Whenever we get a phone call saying that an AC central air has stopped cooling here in Brick Township, NJ there are always a couple of questions we like to ask first. One of them is whether or not the customer sees any ice on the line. Now to clarify what I mean when we say lines, we mean refrigerant lineset. Between your condensor outside and the evaporator (cooling coil) inside( whether it’s on top of the furnace or in an air handler) in the basement or your attic runs two lines of refrigerant (freon). One is a thinner copper line and the second a thicker copper line normally covered with a black insulation. Normally when this line freezes over you will see ice or snow  (frost) on the thicker copper line or if it’s covered in black insulation, the insulation will feel cold and wet to the touch.

For the purposes of helping Brick NJ homeowners identity an issue we will only stick to the two main problems associated with an iced/frozen line.


1) Air flow. When we say airflow we mean anything that stops or slows the movement of air across the cooling coil. This could mean a dirty filter, clogged evaporator coil, defective blower motor or capacitor etc. Again anything that stops the flow of air across the cooling coil. So the first thing to check is to make sure the filter is not restricted or clogged.


2) Low Refrigerant. The second possible cause and usually the most prevalent is having a low refrigerant charge (freon).

The best way to get this solved if it not as simple as a dirty or clogged filter is to call a  licensed HVAC contractor for service to come out to diagnose the issue.

Anthony Mechanical Heating Cooling and Appliance Inc

Brick NJ

Anthony P Murgolo

NJ Master HVAC #19HC00098900


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