By adding the returns near the ceiling you collect the hot air that is in the room and send it to the blower in the forced air furnace where it is cooled by the air conditioning coils.
Adding air conditioning to oil furnace.
Add insulation to your home adding insulation to your home reduces the amount of fuel needed to run your furnace.
Adding central air conditioning to an existing forced air heating system means you can be rid of noisy dripping window ac units forever.
Show me the fair price for a new ac furnace.
Once the coil is installed at the furnace you will need to run 2 copper lines from the coil to the out door air conditioning unit which is called a condenser.
And because the ductwork to distribute the cooled air.
A well maintained furnace lasts an average of 25 years or more according to this old house.
In gas and oil furnaces the flames heat a component called the heat exchanger a sealed chamber that warms the air around it.
These cost around 600 1 000 depending on the type.
If your furnace is nearing the end of its useful life it might be time to update your central heating.
However just to beat a dead horse here let s discuss a couple of times that you should definitely keep and use your old furnace with a new air.
To implement the addition of ceiling returns for your central air conditioning it is necessary to change the grills on the cold air returns to types that have louvers in the back that will close off the grill as shown in figure 2.
Look you can probably infer from the topics above when you should not replace your furnace and air conditioner at the same time.
When not to replace your furnace and air conditioner at the same time.
In electric furnaces this is simply a matter of the exposure of the heating elements to the open air.
The process of adding an ac to a furnace is simple enough it should cost around 3 500 4 000 for parts and labor and take no more than a few days.
Oil heat tends to be less expensive than alternatives meaning it costs less to heat your home.
If you have a horizontal furnace as would be found in a crawl space the coil installs at the end of the furnace and again there must be sufficient room.
Your home has ductwork.
Installing a new furnace is a great time to add a whole house hepa filter or humidifier to clean and condition the air in your home.
Alternatively if the home has existing forced air heating the central a c system may be grafted onto the heating system by installing the evaporator coil in the furnace plenum and utilizing the furnace blower for air circulation or replacing it with a more suitable model.
The blower motor and fan push the warm air through the ductwork and vents raising the temperature in the home.