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Inspecting Common Problems of AC unit

By Randy Murphy Subscribe to RSS | February 20th 2012 | Views:

When the temperature gradually rises, most of the air conditions fail to respond and finally give up. But, no system can fail automatically there are some types of problems associated with it. It is the people who neglect the proper repair and replacement of their systems. In fact, there is nothing worse than the failure of an air conditioning unit in the middle of summers. It may leave in awkward condition of heat and sweat. One must understand that smaller problems lead to the big trouble and may contribute to the major troubles for the homeowners. Finally, it leads to hefty expenses in repair and replacements. Most of the time all that is needed is tune-up or mere resetting of the circuit breaker.

Most of the common problems associated are:

Noise Complaint

It is the most common complaints and people always find different types of sounds from their running systems. It must not be neglected and quick action can save a lot of time and money. This noise is mostly caused by the fan belt becoming loose over time due to heavy functioning. In order to fix it, AC technicians put the belt back on and check the motor to ensure its functioning. They also decided whether to replace it or lubricate it or need to be replaced.

Frozen Coils

It is the major concern for the homeowners as ice on the coils restricts the unit from operating correctly and smoothly. Technicians use heating pumps to solve the problem of frozen coils. It can make your unit more efficient.

Water Leakage Problem

AC unit may leak any time that may cause mildew, moisture and mold damage to your property. It is known as the condensation that is not being drained properly. Plumbers can understand the problem and repair the area.


If your system is unable to keep your home cool, it may have a blocked valve or simply need re-calibration at the same time. Plumbers and technicians check the system for its Freon levels that may be too low to cooperate in sufficient cooling.

Expansion Valve

It is designed to controls functionality in the air conditioning system. It senses the evaporator’s (cooling coil) temperature, and then it lets the liquid refrigerant pass through a small orifice to the evaporator. As the refrigerant travels through the opening, it is expanded back into a low-pressure, low-temperature gas. If it has some problem, technicians resolve it to make the system smooth and efficient.

Randy Murphy - About Author:
Metro Express Service is a heating and air conditioning company proudly serving the Arlington TX community. We can repair HVAC; maintain, inspect, and install all types of heating and cooling equipment, and our expert technicians are licensed and bonded to ensure your satisfaction. With 24/7 emergency services in air conditioning services Arlington TX, along with our flat-rate pricing, the choice HVAC Company in Arlington TX is clear. We are dedicated to offer hvac installation services in Arlington area.

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