7 28 2010 central air unit stopped blowing cold air

[dannyjgangstalked1]

At around 45 seconds you mentioned that the tstat was set to fan not auto?

[blocksopiff]

The coils also ice up from lack of air flow, or have you HVAC guys forgotten your basic refrigeration principles? It could just be that he either has a bad blower or a bad blower control circuit. Granted, he could actually be losing refrigerant but considering the description of the plumber and so-called HVAC technician, I doubt that's the problem. Sounds like misdiagnosis more than anything to me.

[WARFOX101]

Turn the heat on to melt the Ice, Your iced up.

[MrMilwaukeetool]

The leak the plumber seen was most likely ice melting from the evap coil and line set.Not always low on refigerant from a leak, have to trouble shoot first. Could also be a cloged filter, or furnace blower motor not working.

[HCVguy93]

Yep, to close to the house, and evaporator coil is frozen into a block of ice. Unit needs to be properly charged with refrigerant.

[xctome]

installed WAY to close to the house and also u might have a refrigerant leak.

[js0009]

The unit is also installed to close to the house.

[blocksopiff]

@js0009 Not if it's a package unit with a blower going through a hole in the side of the house. Most often used on commercial properties, in the south and southwest areas of the United States, they put them on residential properties on their sides.

[cameron030362]

@blocksopiff what makes you think this is a package unit?....Can't you see the suction and liquid lines?...where do you reckon they go?...probably to the air handler, eh?....Thats an old Ruud unit....back half is where the compressor is, NOT the supply/return......I like working on them because once you open that back metal panel, you have access to the compressor, contactor, capacitor, service ports, etc

[compdude957]

Yeah your evaporator (the coil that gets cold inside your air handling unit) is icing up due to low refrigerant and its just a big block of ice and its stopping the air from going passed it and out of the vents in your house. You need to have someone come out and refill your air conditioner with more refrigerant and get that leek fixed. Until then just leave the A/C off otherwise you could ruin it.