July 12, 2018 Air ConditionersTips and Advice

Air conditioner manufacturers usually design cooling systems that run smoothly, quietly, and efficiently. Having said that, sometimes for certain reasons — lack of proper maintenance, excessive usage, age, and other factors, can cause your AC system to run inefficiently. Not only does this result in discomfort and indoor air quality issues, it can also increase your utility bills and abbreviate the unit’s lifespan.

It helps to know what the most common air conditioning problems are as well as their possible fixes. Having an understanding of how your system works can help you fix minor issues, but for more complex problems, call Marsh Heating and Air Conditioning, your reliable HVAC company in Brooklyn Park MN.

No Power

When your air conditioner powers off out of the blue, the first thing you need to do after confirming there is power in your area is to check the thermostat’s batteries. Dead batteries can cause your air conditioner to shut down unexpectedly. If the batteries are dead, replace them with fresh ones. If they are still good, make sure the thermostat is in the “cooling” mode or set it to a temperature that is lower than the outside temperature.

If the thermostat is not to blame, check your AC’s circuit breaker and make sure it is set to the “ON” position. If these fixes don’t work, call an HVAC professional.

Excessive Noise

When an air conditioner is properly and regularly maintained, it will run quietly and efficiently. This means that if your AC is operating with excessive noise, it may indicate that there is a problem with the system. Check the unit and take away debris if you find any. However, if there is no debris stuck in the system and it still runs with too much noise, there may be loose parts or other problems inside the unit. If your air conditioner is still under warranty, do not attempt to fix it as it will render your warranty void. For safety and warranty reasons, call your AC expert to inspect and remedy the problem. One serious problem that can cause your air conditioner to create too much noise is a faulty fan belt. Not only does a damaged fan belt can make unnecessary noise, it can also compromise your system’s efficiency. This is a problem that only a licensed HVAC professional should handle.

No Cool Air

There can be a number of problems that can cause your air conditioner to not release cool air even when it’s running. Check your filter. If you haven’t cleaned or replaced your filter in a month or two, do so now. Dust, dirt, and debris can accumulate inside the system, causing it to run inefficiently. Also, keep plants and bushes at least 2 feet away from the unit to allow proper system ventilation.

After changing the filter, set the AC to “COOL” and program the thermostat to your desired temperature. If the problem still persists, there could be a refrigerant leak somewhere in the system. Running an air conditioner with low or no refrigerant can be dangerous as it can damage other major parts like the compressor or condenser. To confirm refrigerant levels are low, examine the larger of the two copper lines that go into the condenser. If the line doesn’t sweat and feel cold to touch, it means that the AC has an insufficient refrigerant level. Call a cooling expert to seal any leaks and recharge your refrigerant according to the manufacturer’s specification.

Also, check your home’s insulation particularly if you have older windows and an attic. These can cause heat to penetrate your home, so be sure to properly insulate these areas. You can also try to use blackout curtains to help reduce heat gains.

In addition, leaks in your ductwork can also make a home feel warm and humid even while the air conditioner is running. You need to call an HVAC professional to perform tests to determine if a ductwork issue is what causes your discomfort.

Inconsistent Cooling

Blocked vents or registers, poor insulation, and ductwork leaks can cause your home to have hot and cold spots. Open all vents and registers throughout your home and clear the area surrounding them.

If you have south-facing windows, they will normally feel warmer than the other rooms, so use blackout curtains over the windows, especially during the hotter parts of the day.

A more permanent solution to inconsistent cooling is to have an HVAC-zoned system throughout your home. This way, you will be able to control the temperature in specific areas. Call your HVAC contractor to tell you more about this system.

Need Help? Call Marsh Heating and Air Conditioning

If you are experiencing discomfort in your home even after trying the simple steps included in this article, do not hesitate to call our experts at Marsh Heating and Air Conditioning. We will make sure your home comfort will be restored in no time. We are your dependable Maple Grove AC repair contractor dedicated to creating a more comfortable living space for you and your family.