Replace the air conditioner and.
Adding air conditioning to furnace.
In the case of an upflow vertical furnace the coil will sit on top of the furnace.
Without unforeseen complications the install will take 2 3 days.
But adding central air is easier and less costly than you might think.
As of publication time expect to pay from 3 000 to 3 500 at the low end and from 4 000 to 6 000 at the high end to add central air conditioning to the forced air heating system in a.
An evaporator coil must be added to the furnace.
Therefore there must be sufficient height in the basement as this coil is about 2 feet high for a 10 s e e r.
Replace your furnace and air conditioner at the same time if it is over a certain age remember the average life.
Figure 1 central air conditioner.
Central air conditioning produces cold dense air.
And over 2 1 2 feet high for a 12 13 or 14 s e e r.
If they have a gas forced air furnace we can put a coil in there for the a c system then we just have to run the electric says frank garneski owner of garneski s air conditioning heating in sterling virginia.
Adding central air conditioning to such an old system would be problematic at best as well as hopelessly inefficient.
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.
How much does it cost to install central air.
So let s take a look.
Most homes that have a forced air heating system have ducts that can be used for ac as well.
Simply put if the house already has a forced air heating system adding a c should be relatively easy and the most inexpensive scenario.
Steps to retrofit ac to your furnace 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.
You can utilize the existing fan and duct infrastructure for cold air by adding a few components to your existing furnace.
When added to an existing forced air heating system central air for a 2 000 square foot home costs 3 500 to 4 000 and can be done by two technicians in two to three days often with little or no change to the ducting.