I have been told that because the coils on the inside unit are not getting cold while the system is running, there must be a leak which caused the release of the coolant. My unit is 15 years old. Can it be repaired easily if a leak,releasing coolant, is the problem? Or would it be more cost efficient to replace the unit now?
It depends where the leak is. If its in the coils, you have to replace it. If the leak is easy to get to it would be cheaper just to fix it. So it all depends where the leak is. but 15 years is kind of old for a unit.
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If your unit is set on "heat" and indoor unit is blowing cold this sounds like a issue with the change over valve located in outdoor unit, the valve may be stuck or solinoid coil might be faulty, check power to solinoid coil to ensure its energised if so try tapping the valve body sometimes this is enough to free it off if your lucky failing that the valve will require replaced ,
could be a bad run capacitor or the unit needs to be cleaned take it outside and wash the condenser coil the outside coil and the evap coil on the inside be careful not to get the electric circuits inside the unit wet. I would wash the coils first and then see if it cools. Hope this helps
It sounds like your freezing up at the coil, which in turn, blocks airflow across coil and only a small amount of air comes out of the vents. This also explains the cold air coming from fan on the outside unit, since the system cannot absorb the heat from the inside of the house through the coil. Your air outside is usually blowing out warm to hot air because thats the heat it rejects out of your system. I would turn the thermostat to "OFF" and turn just the fan setting to "ON" instead of Auto, this thaws the system out faster. Give it time to fully thaw, make sure filters are clean, and check airflow. If airflow is back to normal, your problem is more than likely the charge of refrigerant. If you have to call a technician out, make sure the unit is not frozen at all before they get there, they would not be able to do anything with the system froze. Hope this helps and good luck!
Hello my name is Heath it will be my pleasure to assist you. The first thing to check is the filter in the furnace or air handler. Also check the inside coil to be sure its not frozen up. Does the air coming out feel cold? It sounds like the unit could be low on charge which means it has a leak and should be leak checked repaired and properly charged. You would need refrigeration gauges to put on the system in order to properly check the refrigerant charge in the system. One other thing could be a dirty condenser coil. Turn the power off to the unit and use a garden hose with a strong nozzle and spray water through the whole coil to try and blow any dirt or debris through the condenser coil in the outside unit.
Your possible problem could be something as simple as cleaning your coils. The outside coil could be possibly clogged with dirt or the worst is cottonwood if they exist in your area, this depends on how long the unit has been installed, be sure to unplug-shut down any & all electricty to the unit, spray coils with a good dirt solvent, 409 works good for this, hose the coil with as high a pressure as possible, let dry for at least 1 hour before connect electricty. Inside coils get clogged also, with running unit without filter, or using for a long period on time. Sometimes these are hard to get to, although you should be able to see them, if not call a pro. Another prob. could be low on freon, another job for a pro, this means you have a leak in the system.
Check outside unit if unit and compressor are running feel the large line to see if it is cold. If compressor is running and line is not cold possible charge problems. You may have a capacitor problem outside. they go out quite often. You can change this yourself, Open up outside unit and the cap is the silver bullet with terminals out the top. Bad cap can cause compressor to not operate and also the fan. You need to clean the coil inside or at leat check the coil to see if it is clean. You can clean theis with a toilet brush do not go against the coil bit brush with the fins. You may need to call a service tech but try these options first. russ
The A-Coil is pluged up. you need some foamagator. it will foam up and clean your coils. don't forget to clean the outside coils also. but the one that is stopping the air from blowing is inside by the furnace. Hope this was helpfull
I would take a very close look at every solder joint there is between the inside unit and the outside. If you observe oil at any point it indicates a leak at that point. That is an expensive price for what you say was done. Check your invoice for the amount of refrigerant they or he added to the system. Compare it with the amount stated on the outside unit nameplate. Check for frost on the suction (big line) by the outside unit. If there is frost your coil is frozen up. If this is the case turn the fan on and the cooling off. Allow it to run in this manor for about an hour to defrost the A coil. Then return to the cooling mode.