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Air Conditioning Tips & Advice

Air Conditioning Tips & Advice (3)

Wednesday, 30 May 2018 15:59

4 Reasons To Replace Your Old Air Conditioner

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4 Reasons To Replace Your Old Air Conditioner

4 Reasons To Replace Your Old Air Conditioner

Is your central air conditioner getting on in years? If the unit is more than 10-15 years old and you are considering replacing it with a newer model, you can expect to enjoy many improvements, including: 
  1. Quieter Operation - By optimizing the shape of fan blades and redesigning how compressors work, manufacturers have been able to made air conditioners operation much quieter. 
  2. Environmentally Friendly Refrigerants - Unlike the Freon® coolant used over a decade ago that caused damage to the earth's ozone layer, newer R410A are environmentally friendly and also perform better. 
  3. Reduced Energy Consumption - Years ago it was not uncommon for a central air conditioner to consume 6,000 watts of electricity each hour to cool a typical home. Today, that energy consumption has been reduced to around 1,700 watts an hour, a result of new technologies such as variable speed fans and scroll compressors. 
  4. Increased Comfort - In the past central heating and cooling systems had two fan settings – on and off – not the most efficient and comfortable way to heat and cool a home. Today, variable speed fans allow air conditioners to deliver conditioned air far more precisely. The result is less energy use, lower noise and greater comfort.
Ready to replace your old, inefficient air conditioner?  Call MR Plumbing, Heating, Air Conditioning and Electrical. 
 
 

Identifying Air Conditioner Problems Before They Become Major Repairs

Your home's central air conditioner is a power-hungry and complex machine that can fail at any time without warning. However, there are a few simple ways you can identify air conditioner problems that could tip you off to a potential problems before the unit fails completely.   

Air Conditioner Maintenance

Some of the early warning signs of potential air conditioner problems are:

Excessive Noise

One of the most common complaints we hear is that the air conditioner is making a wailing noise. Left unchecked, the minor annoyance can quickly grow deafening when the unit is operating at full capacity. Loud noises such as these are generally caused by a fan belt becoming dislodged over time. Your technician will check the bearings in the motor, as they may require lubrication or replacement.

Frozen AC Coils

Another issue that often arises is frozen coils. Frozen coils and ice can impede the operation of the unit, creating blockage in the circulation of Freon and air. Heat pumps often contain heating elements to reduce this problem, but sometimes the unit doesn’t cycle quickly enough. Recalibrating the unit can eliminate this problem.

Precipitation

An air conditioner that is leaking water inside your home can cause significant water damage as well as mold and mildew. If your AC unit no longer drains away condensation effectively, it could be the result of a rusted out condensation pan or blockage in the drain itself. Check the pan and drain lines for signs of leaks.

Clogged Ventilation Grills

One of the most common causes of air conditioner failure is blocked grills. Annual maintenance to clean the unit's fins, fan, motor and other parts of dirt and debris will allow the unit to operate at peak efficiency during the hottest weather.

Other AC Problems

If the air conditioner simply isn’t cooling, more advanced diagnostic tools may need to be applied. Is the fan or compressor running without the other? Does the unit work only part of the time? Does it over cool or not cool enough? Questions such as these can help you give your technician a head start in quickly zeroing in on the source of the problem, so be sure to take a second to observe operation before you turn of power to the unit and call for service.

Generally most problems can be identified from the details above. If, for instance, the unit shuts off before the room is a comfortable temperature, it may not be cycling enough air through the thermostat to take a measurement. This could be due to poor calibration or a blocked sensor.

A Freon leak can render the machine weak or ineffective, especially if recharging the gas supply doesn’t solve the problem. The thermostat could be broken as well, which usually means it has to be replaced.

Finally, the A/C unit may be short-circuited to the ground, causing circuit breakers to fail every time the machine turns on. Be sure to provide a description of the problem to your technician to help him solve your problem as quickly as possible.

Central Air Conditioner

With the hot, sticky weather just around the corner many homeowners with older air conditioners are weighing the benefits of buying a new air conditioner versus repair their existing unit. The old saying "if it isn't broken, don't fix it." isn't always so clear cut when it comes to central cooling systems. While that old ac unit may be running just fine, it may be using a lot more energy than new units. The reason is many new air conditioners are variable speed, meaning that instead of just cycling on and off, they can operate at low or high speed depending on demand.

The EPA suggest that homeowners replace their older air conditioner if it's past 10 years old. The reason is new air conditioners are far more efficient that system available a decade ago. How much can you expect to save on your energy bill? With a newer, high efficiency system you could save up to 56% on your cooling costs.
 
Ultimately, for most homeowners the decision to replace their air conditioner happens when the unit breaks down during a heat wave. By planning ahead and making the decision to install a new air conditioner before the old unit is beyond repair you can avoid the inconvenience and expense of an unexpected repairs while enjoy the cost savings of today's high efficiency air conditioners.
 
Have questions about air conditioners? Call MR Plumbing, we're here to help.


 

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