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                          8300   I   Cornerbrook Place  I   Waxhaw   I   NC   I   28173

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Air Conditioning Services

Whether your air conditioning is not working or you are just looking to have it serviced, Carolina Heating & Air Design is here for you.  We employ only the best technicians in the area.  They are not only highly trained technically; they give the best customer service around.  We feel that it is our responsibility to educate you on the situation and give you options of how to remedy the problem.  This allows YOU to make a decision that is right for your family and situation.  When you have a problem, our technician will discuss the problem with you, diagnose the problem by completely going through the system, explain the problem, and then give you options.  If we are servicing your system, the technician will first speak with you about any issues you may have.  They will then go through the system thoroughly, explain everything they found, give you recommendations, and allow you to make the decision for what is right for you!  Give us a try; we are confident you will be 100% SATISFIED!

Air Conditioning…


The function of air conditioning has remained essentially the same over the years--to reduce humidity and lower the temperature of a living or working space. Air conditioners have become increasingly efficient and have also included filtration elements that remove dust and other particulate matter from the air.

How does it work? 

Watch this short and easy to understand video.(insert the How Stuff Works Video http://www.youtube.com/watch?v=1MiQCBIx1mM)


Split Systems

Split systems are called this because they have an outdoor component with a condenser and compressor and an indoor component with an evaporator coil.  The central air conditioner also needs a blower motor to blow the cool air through the duct system. This is usually part of the furnace. 

 It is highly recommended to replace both of these units at the same time when it is time for replacement.  Installing a new outdoor unit without replacing the indoor unit is likely to result in low efficiency.  The most commonly used measurement of efficiency for air conditioners is called SEER (Seasonal Energy Efficiency Rating).  This is the measurement of how efficient a cooling system will operate over an entire season. EER (Energy Efficiency Ratio) measures how efficiently a cooling system will operate when the outdoor temperature is at a specific level.  EER is generally calculated using a 95F outside temperature and an inside (actually return air) temperature of 80F and 50% relative humidity. 

 Heat Pumps

Air-source heat pumps transfer heat between the home and outdoors.  These are the most common type of heat pumps. They also work as dehumidifiers because the system naturally dehumidifies when it cools the air.

A dual-fuel heat pump uses a normal air-source heat pump and adds a gas furnace system for backup heat source. This allows the heat pump to operate extremely efficient in summer and winter, but can switch to the gas furnace if the winter becomes too cold.

Most geo-thermal heat pump uses water as a heat source instead of air. It can be more expensive to install.  However the geo-thermal heat pump benefits from to the stable temperatures of water giving you higher efficiency.

 Packaged Units

In a packaged unit the condenser and evaporator coil are packaged together in an outdoor unit.  A package unit can be either a heat pump or a gas unit.

 How to make the most of your AC system

The top causes of heating and cooling system inefficiency and failure is dirt and neglect.  Routine Maintenance is of the up most important in ensure efficient system operation. 

  •  Change your air filter regularly.  To prevent dust and dirt from building up in the system, this can lead to expensive maintenance and/or early system failure, clean or change the air filter regularly. In times when your system runs more, be sure to check your filter every month.  If the filter is dirty, dont wait change it immediately!  We recommend changing the filter at minimum every three months.
  •  Tune up your heating & air conditioning equipment.  One of the most important steps you can take to prevent future problems is to have proper maintenance performed by a qualified technician. Be proactive!  Dont wait until the busy times in the summer and winter months.  Have your systems checked in the spring for the cooling system and in the fall for the heating system.  
  •  Have the duct work checked regularly.  Conditioned air is distributed into your home through ducts.  In most houses, about 20% of the air that moves through the duct system is lost due to leaks, holes, and poorly connected ducts. This results in high utility bills, difficulty keeping the house comfortable no matter how the thermostat is set, and an inefficient heating and cooling system.
  •  Ensure You Have A Proper Refrigerant Charge.  A system with an incorrect refrigerant level can lower efficiency by 5 – 20%!  This can result in costly repairs and can ultimately cause premature failure of parts or the entire system.  We can ensure your technician is experienced and is well trained on and use the proper procedures that will verify that the refrigerant level in the system is correct.
  •  Make Sure Your Air Flow is Optimized.  If air flow in your heating and cooling system is too high or too low, you may experience comfort problems and higher utility bills. Our technicians have been trained and use the proper procedures to test air flow and make any needed adjustments for optimal performance.

 For additional information, check out these links:





 Carolina Heating & Air Design is here for you!  If you need some of these items addressed at your home, give us a call!  We are happy to make your system perform at its optimum efficiency!