Air Conditioning And Heating Service | Charleston, SC

July 27, 2021

We have all suffered an air conditioning or heating breakdown at some point and desperately needing quick air conditioning and heating service. Not having your AC unit working on a hot humid summer’s day in Charleston, SC. can make life unbearable and dangerous.

Without a constant supply of cool air from your AC, there is a greater chance of suffering from heat exhaustion, dehydration, and heatstroke. We do not get many extremely frigid days during the winter months, but you will want a working heater or furnace to keep warm during those chilly evenings.

It is important for the people of Charleston, SC to be able to turn to a reliable air conditioning and heating service company. They want a company with the best-trained technicians, available 24/7 and ready to help sort out their problems quickly. So, they turn to us at Carney & Son 72 Degrees for an air conditioning and heating service.

When Do You Need an Air Conditioning and Heating Service in Charleston, SC?

It should come as no surprise that the busiest time for our technicians is the period between late fall and the early summer. The best thing you can do for your peace of mind is schedule an air conditioning and heating service during the shoulder seasons when the climate is more moderate.

Carney & Son 72 Degrees Heating and Air Conditioning offer a subscription service that automatically tells us when your climate appliances need a check-up. It is an affordable way to increase the efficiency of your furnace or air conditioner and it catches problems while they are still small and easily repairable. Without a regular air conditioning and heating service, there is an increased chance that your AC unit or furnace could break down.

If you have not had a service in a while, then your environmental appliances may experience some of these symptoms.

  • Frost and Ice Forming on the Evaporator Coil – To work efficiently the evaporator coil needs a constant supply of warm air to be blowing over it.


  • Normally, warm air is extracted from your home by a fan – Then blown over the coil. Liquid coolant in the coil absorbs the heat from the warm air and cools it. Then, the cooler air is now blown back into your home.


  • There could be several reasons for frost and ice appearing on your evaporator coil.


  • Problems with the fan – A faulty fan will not be able to supply enough airflow over the evaporator coils. It won’t be capable of producing enough air to extract from the warm air.


  • The air filters are dirty – A dirty air filter will also restrict the airflow over the evaporator coil.


  • Air filters haven’t been cleaned or replaced regularly.


  • Low coolant levels – Without an ideal level of coolant in the air conditioner, frost and ice will form on the evaporator coil. Less coolant will mean a decrease in the air conditioner’s efficiency and a hotter home or office.


  • Dirty evaporator coil –dirt will accumulate on the evaporator coil over time. The dirt will act as an insulating layer and reduce the rate at which the warm air transfers its heat to the coil and coolant. Any dirt on the coil needs to be removed during cleaning.


  • As the evaporator coil freezes it causes other components in the air conditioner to overwork to keep the required temperature steady. This increases the wear and tear on the unit and your energy bills. An air conditioning and heating service from Carney & Son 72 Degrees Air Conditioning and Heating will stop these problems from occurring.
  • The furnace is incapable of reaching the set temperature.


  • Knocking, clunking, or other unusual noises from the heating unit.


  • A complete lack of heating in the house.


  • Weird smells or smoke are serious indicators, leave the house and call a professional, and do not go back inside until an authority in heating and gas appliances says it is safe to do so.

Problems with the Furnace

The furnace is the largest component in your HVAC or heater system. The furnace has a fan that draws fresh air through air vents from the outside into a combustion chamber and is mixed with gas or other fuel, to produce heat. The fan now blows the hot combustion gases over a heat exchanger, which then heats fresh air which is blown through the home’s air ducts.

Common issues with furnaces include:

  • Dirty air filters -these will restrict airflow into the combustion chamber and cause a weak flame.


  • Dirty or blocked air vents – the vents supply fresh air for combustion and expel exhaust gases such as carbon dioxide, and carbon monoxide back out. Failure to do either will prevent combustion.


  • Faulty electronics – A faulty pressure switch will shut the furnace down. It makes sure the inducer fan is running and ensures there is enough airflow to allow combustion.


  • An air conditioning and heating service are needed to ensure the smooth running of your furnace.

Charleston SC’s Leading Air Conditioning and Heating Service Company

Carney & Son 72 Degrees Air Conditioning and Heating is a family-run business, and we understand how stressful it is to have heaters and air conditioners fail. We will put you and your family’s safety first and will respond quickly to any emergency call for our services. If your heater or AC unit is not working properly or you just need the system serviced, Carney’s Heating and Air are here to help.

Our team is experts at what they do and has been hand-picked for knowledge, skill, friendliness, and professionalism. We ask them to periodically review their skills to stay abreast of the ever-changing technology of the HVAC industry. We offer incentives for our technicians to visit manufacturing sites to learn about the appliances they will be installing and repairing.

Carney & Son 72 Degrees Air Conditioning and Heating promise to be clear about the timeline or length of the repair, we will never try to upsell you, and our prices are affordable and transparent. If you have an HVAC problem call us now and let us get it sorted out for you!

Photo By gilaxia at istock

Carney & Son Air Conditioning and Heating

Carney & Son, 72 Degrees

We are a family Owned & Operated HVAC Services in Charleston, SC, proudly serving the Charleston community for 39 years.

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