Combustion gases are generated by the burners in your furnace and passed through a heat exchanger.
Central heat and air system.
The most common type of central air conditioning is the split system which features a large boxy condenser outside the home and a fan and coil system inside connected by pipes carrying refrigerant.
Air from your home blows across the heat exchanger to be warmed.
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Quickly becoming the standard for cooling or heating a home central air and heat are usually added as part of a combined heating ventilation and air conditioning system or hvac.
They claim they invented the first modern air conditioner in 1902.
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How central heating works.
Central air and heating systems use a series of ducts to circulate cool air or heat throughout the home.
During warm seasons your heating system works with your central air conditioning.