Cleaning Up Your Ventilation System
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Cleaning Up Your Ventilation System

When I moved into my first place, I couldn't believe how dirty everything was all the time. I found myself dusting and mopping continuously, only to deal with a fresh layer of grime later. After awhile, I realized that the problem was blowing straight out of my air ducts. My ventilation lines were so dirty that it was spreading grime through my house every single time the air clicked on. Fortunately, I called an HVAC contractor who was able to clean my vents to a gleaming shine. I know how big of a difference cleaning up your ventilation system can make, which is why I want to spread the word.


Cleaning Up Your Ventilation System

Why Your AC Might Break Down Without Warning

Rick Wells

Air conditioner problems typically creep up on homeowners because most of the problems start small before flaring into serious issues. However, there are also cases where an AC breaks down without warning. Below are some of the things that can cause sudden AC malfunction.

Refrigerant Leak

Refrigerant leaks typically occur slowly, and the effects of such leakages are gradual. Gradual refrigerant leaks are typically caused by corroded refrigerant leaks that cause pinholes or cracks on the refrigerant lines.

However, accelerate refrigerant leakage is also possible. For example, an accidental disconnection or damage to the refrigerant lines (for example, during DIY AC repairs) can deplete the refrigerant within a short period. In such a case, you will experience impaired cooling, the AC motor might overwork and overheat, and the AC might shut down.

Motor Failure

The AC motor drives the fan that circulates air over the coils for effective cooling. This means the AC won't be cooling your house if the motor has malfunctioned. The motor runs on electricity, so a sudden electrical malfunction (such as an electrical surge) can damage the motor. Overheating can also damage the motor, and the motors are designed to shut down to prevent total failure in such cases. 

Circuit Breaker Trip

Even something as relatively simple as a tripped circuit breaker can cause your AC to shut down. This is because the AC requires electricity to run. Note that a tripped circuit breaker usually means something is wrong with the circuit. As such, a tripped circuit breaker is more of a symptom rather than a problem. Irrespective of the cause of the problem, however, the AC will shut down immediately when the circuit breaker trips.

Thermostat Malfunction

The thermostat acts as the central control point for the AC. This is where the AC gets the signal to start cooling, stop cooling, and know which temperature target to aim for. Thus, a malfunctioning thermostat signals an immediate problem for your AC. This might be the case, for example, if the thermostat's wires are disconnected, the thermostat's battery is dead, or the thermostat is exposed to an external heat source. For example, disconnected thermostat wires mean signals won't be traveling from the thermostat to the AC's mainboard, so the AC might not start when needed.

You may need the help of an emergency technician if your AC has developed problems without warning. Unless it is an accidental trip of the circuit breaker, you should get the malfunction diagnosed and fixed before running the AC again.

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