Adding Air Conditioning To Existing Furnace

Install an evaporator coil on the furnace supply transition to existing ductwork.

Adding air conditioning to existing furnace.

Install matching condensing unit outside connecting refrigerant lines and liquid line dryer to evaporator. With a furnace you are already set up to provide airflow throughout your entire home. Install and wire heat cool thermostat. What is needed to add air conditioning to my furnace.

For a house that needs ducts the costs and work time double. In the case of an upflow vertical furnace the coil will sit on. Unless the furnace you have now isn t capable or would be an issue providing the correct air flow for the new air conditioner. 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.

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. 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. Wire condenser high and low voltage. You can add a heat pump to your existing furnace or ac unit for a mild weather solution or you can install a heat pump to be your primary standalone hvac solution.

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. An evaporator coil must be added to the furnace. You must have a central furnace with duct work. Adding central air conditioning to an existing forced air heating system means you can be rid of noisy dripping window ac units forever.

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 heat pump moves air from one place to another passing it through a condensing unit along the way. Either way the idea is simple. You can utilize the existing fan and duct infrastructure for cold air by adding a few components to your existing furnace.

Steps to retrofit ac to your furnace. And because the ductwork to distribute the cooled air.