Ok i have 40.00 dollars and need freon for my home central ac unit,how would i put it in the unit? can u please help me?ok it blows out warm air instead of cold air and the thermastat is saying 88 degrees can u help me

freon ok ? compressor ok ? if both lines feel same either compressor not working or no //low on freon

You have a Freon leak because all the fittings, seals, coils rubber, compressor seals and entire AC system will need to be checked out by someone that can find the problem and resolve them or you will never get this fixed. A/C in cars get hot in the summer and cold in winter and all the seals dry out. The system needs to have all the air and moisture pulled out before any Freon in charged into repaires A/C unit or the system will not cool properly.That is the only way to resolve this Tammy, Thanks Sea Breeze

Is the compressor starting? On the outdoor unit you will see a large copper pipe and a small copper pipe. Is the larger of the two cold to the touch? wet? Just because a central air system is not blowing cool air does not mean it needs freon. If you have clogged filters it cannot do an air exchange. So, I would recommend checking the easiest things first before adding Freon.Most people make the mistake of adding Freon and overcharge their system. In a low load situation you can slug the compressor with liquid and your system is ruined. If you do have to add Freon it indicates that you have a leak. An AC System is a closed system and if it is working properly you should not have to add Freon.

to me it sounds like filter are dirty, need to be cleaned or replaced, home systems, packaged or otherwise are hermetically sealed and should not need freon recharge. Always start with airflow and/or unit being set too low. An AC unit of any type will build ice if a) the filter is plugged up and can't move enough air, b) it has been run without the filter, clogging the coil, again, not moving enough air, c) setting an AC unit below 68 degrees F will almost ALWAYS cause icing, and d) running a standard AC when it's warm inside and cold outside (unless equipped for "low-ambient operation"). When in doubt, a bit of maintenance(thorough cleaning) by someone with AC skills can cure a b, common sense will cure c d.

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If it does not have a furnace or heating elements for heating, then it is a heat pump, which is rare for a central AC system, but makes sense of the fact that it blows warm air when you reset the pressure switch, which may indicates freon pressure charge problem if your AC system has a reverse valve and uses freon to for heating (heat Pump).

Do you get heating when outside unit runs? if you do, check freon pressure levels and top up to required pressures. The button you depress is a pressure reset switch ... that is if your AC system is a heat pump ... which, as pointed above, it is not common for central ACs.

This job is best done by service tech. You have to know what your doing to be able to charge a system. Plus you have to have EPA card to handle Refrigerant. You need to call service tech. Remember if you have to put gas in there isa leak. Make sure they look for one if you ahve it recharged. A unit can run forever on the same gas. Cost of chargeing an AC can very from 100 to 300 dollars. My suggestion is to ask for a free estimate. So you know up front what it will cost. Rus

If you have access to your piping system you may use a soap bubbles to test the pipe connection. the leak gas will blow the bubbles if there is leaking. But if your system is out off freon gas, you can not use this method. just try it check the connection first put the bubbles around it.

Ok I've been around too long...R134 (freon replacement product)

Sounds like your compressor is locked up or is running under a sevre load you would be best to call a professional

Hi, Sounds like you have a leak in the lines somewhere and it is low on refrigerant (Freon). If the evaporator spends very much time below 32deg it will freeze up and you will feel very little air coming from the vents. The evaporator will have ice covering at least part of it depending on how much refrigerant is has in it. No refrigerant, there will be no ice or water. If the unit is properly charged, the larger of the two refrigerant lines at the condensing unit will sweat all the way back to the compressor but the compressor should be fairly dry. Restricted air flow will also cause one to freeze so check your air filter. If the ac tech thinks that the evap temp was ok at 22 deg, find another ac tech. 22 deg evap means its either too low on Freon, refrigerant filter drier is stopped up, a blockage in the refrigerant lines, too little air flow across evap coil or it could be that the evap and cond are sized wrong. The evap temp has to be above 32 deg. If it has Freon in it, you can use soap bubbles to check for leaks at the solder joints. Turn the unit off first for pressures to equalize. Let me know. kstfas