Residential HVAC system provides your home having a comfortable local weather in individuals cold winter months. As your technique ages, a time will arrive whenever you will need to substitute it--maybe since you would like to set up a a lot more efficient program to reduce your heating bill. Your method could also fail, that is another cause for replacement. Installing a brand new HVAC system can be a difficult task, and only the most skilled house gurus ought to try it.

Purchase a new HVAC unit from your local HVAC supplier. Make certain the unit size matches the 1 you have. The unit dimension is listed on its accessibility panel. Units are sized in BTU (British Thermal Units) for normal gas units and kilowatts for electric models. Purchase your unit accordingly.

Disconnect power to the HVAC unit. Turn off the breaker in your electrical panel, and get rid of all wiring to the unit. Get rid of thermostat wiring from the unit, taking care to label the wires to which corresponding terminal they go to. Disconnect condensate drain piping from your HVAC unit. In the event the unit is normal gas, turn off the gas valve towards the unit. The fuel valve is situated within the gas pipe prior to it enters the unit. Disconnect the gas piping to the unit. Do not disconnect anything at or over the valve.

Disconnect the sheet metal supply air plenum and return air duct from the unit. Depending on how it's linked, you might require to either unscrew or cut the duct with your aviation snips.

Slide the unit out from its location. It should appear out effortlessly now that it is all disconnected.

Slide your new unit into place. You will notice that most likely it'll need some considerable reconnection function to hook everything back up to the new unit.

Connect the supply air plenum to the top rated from the HVAC unit. A sheet metal transition will most likely be required to make the connection from your outdated plenum towards the top from the unit. Most new models are shorter than previous ones. If yours is taller, you may want to cut your existing plenum back again. A sheet metal store may well need to fabricate some duct for you. Connect the return air duct as much as the side of the unit. You'll need to cut a hole in the facet from the unit to match the dimension of the return duct. It might need an extension piece or you several want to cut some off based on your unit's configuration.

Reconnect the gasoline piping in your unit if it's normal gas. Connect the electrical wiring back towards the unit. Consult local electrical codes to determine how to make the connections. Connect the condensate piping back again towards the unit. Ensure it is trapped and vented per local plumbing code so it drains properly. Reconnect the thermostat wires towards the unit. Connect them according to how you labeled them in action 2. Get rid of the labels as you connect them.

Turn the gasoline valve along with the electrical breaker back again on towards the unit. Your new HVAC unit should now be correctly installed. Turn the thermostat on to find out if it's working properly.


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