Problems With Your Central Air Conditioner

As with any appliance, overtime, it will start to have problems as it gets older. Some of the problems that can occur with a central air conditioner you can troubleshoot yourself while others will need to be diagnosed by a HVAC air conditioning repair service. Your central air conditioner comprises of the evaporator and condenser and is connected to the home’s forced air distribution system.

Some of the problems that you can have with your central air conditioner can include:

• It does not turn on and stops working sometimes-if it stops functioning you should check the circuit breakers and fuses. You should also make sure that the thermostat is below the current temperature and is adjusted to cool. You also need to make sure that the condenser power and furnace power switches are in the “on” position.

• The compressor switches off-this can mean that the high-pressure switch was tripped so you can reset it by looking at the access panel of the compressor and press the button to reset it.

• It is making a strange noise-if your central air conditioner is making a lot of noise you should check to see if the fan blades are clean. Make sure that the unit is turned off before attempting to check the blades.

• The evaporator coils has built up frost on it-if the temperature is below sixty degrees with the unit on, frost could build up on the unit’s evaporator coils. When you see this happen you should switch off the ac unit immediately.

• Leakage of refrigerant-this can happen if your central air conditioner is not installed properly or low on refrigerant. You should call your local ac repair service to have a trained technician fix the problem.

Leaking air conditioner-if you notice water is leaking inside your system it normally means it is not cooling. This could be the result of a frozen cooling coil. It can be caused by airflow that is insufficient or a low refrigerant charge. Again, you should call your local ac repair service because a trained technician needs to fix this problem.

• Thermostat temperature and room temperature do not match-if the temperature that is set on the thermostat is higher than the temperature in the room your thermostat may not be properly calibrated. It could also be that the thermostat has been installed in an area where it cannot sense the air in the room correctly.

• It is on but the air is not becoming cooler-your central air conditioner could be dirty and needs to be cleaned.

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Air Conditioner Repair 101

If you’re putting off air conditioner repairs because you’re anxious about repair costs, think again. Postponing minor repairs can mean having to deal with bigger problems in the future.

If you’ve gotten used to an AC system that’s not working at 100%, make this the year you call in an AC repair technician to get it fixed. Small problems can eventually turn into larger ones–meaning more expensive repairs or even requiring unit replacement. Meanwhile, a broken, inefficient unit may actually be costing you more in terms of utility bills. Beyond all of that, the last thing you want is for your air conditioner to stop working entirely in the heat of summer, leaving you to sweat while you resolve the situation.


Decrease in Performance

Does your air conditioner seem to be working extra hard to provide you with cold air? Do you have to crank it up to full blast just to get a fraction of the cooling power you got when the unit was brand new? It can be tempting to postpone repairs in this case, because after all, you are still getting some cool air. But at what cost? You’re likely consuming more electricity while getting less effective cooling. Additionally, whatever is causing the decrease in performance is likely to continue deteriorating over time. You can grant your AC a stay of execution by bringing in a repair technician to assess the situation. Repairs may only be a matter of replacing a single component–which is far less expensive than purchasing a new AC system.

Unusual Noises

When any appliance starts making noises it’s never made before, especially if the noises continue for a period of time or even get worse, you can benefit from calling in an appliance repair technician. Your air conditioneris no exception. Even if it seems to be operating at full performance, a buzzing, clunking, or vibrating noise from within the air conditioning unit is a sign that something isn’t right. Pay attention to the noise–what it sounds like, when it happens, where it’s coming from–so that you can accurately describe it to the AC contractor you’ve hired. As with performance issues, the underlying problem behind an unusual noise can worsen over time but may be able to be fixed with a single replacement part.


The biggest questions when dealing with a leaking air conditioner are “What kind of fluid is leaking?” and “Where is the leak coming from?” The different variables at play–for instance, you might see water or refrigerant leakage–can indicate different types of air conditioner problems. Instead of just wiping up the mess or sticking a towel under the unit, bring in an AC service technician to diagnose the root problem. Note, however, that air conditioners are subject to condensation as moist air passes across the cooling coil. Some water on the unit is to be expected in humid weather; a puddle or stream of fluid exiting the unit is a more serious matter.

When an air conditioner is struggling to do its job, it’s almost always better to call in a repair professional than to wait until things get worse. An air conditioner expert can advise you on your best option–which may, in some instances, be to purchase a new, more energy-efficient unit. As summer approaches, ensure that your home stays cool and comfortable without breaking the bank by resolving to deal with small repair issues before they grow out of control.

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