Single Story with 2 Central AC Units?

by Robert
(Phoenix, AZ)

I am purchasing a home that currently has 2 central air conditioner units. The house is 2300 square feet with 3 bedrooms and a large great room. One of the central AC units is a Trane that is 23 years old and needs replaced. The other ac unit is a Payne that is about 5 years old.


With today's energy efficient units, is it a good idea to just go with one new system or 2 smaller systems?

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Similar Boat NEW
by: Phillius

I am in a similar boat. I am renting an apartment with two AC units. One runs through the apartment, the other is built into the living room wall. I always wondered if it was fine to run them both at the same time, or if I should use just one?
http://www.airconperthwa.com.au/daikin/

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2 outside/1 inside?
by: christy

I have just started doing my own investigative work on this... One of my questions is: Can you have 2 outside units run off of 1 inside unit?

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how many units?
by: Anonymous

depending on the layout of your home and the uses for the rooms it may be more cost effective to have 2 units so you are not cooling the entire home on every use. of course you can close vents in rooms not used if you go with one unit. if it was me I would go with 2 so I could cool in zones and regulate how often my units are running. this will not only save you money but extend the life of the units. also depending on where you live (me, florida) it would be wise to have a unit cooling a smaller area that could be hooked up to a generator in case of power outages (hurricanes) so you can cool a area and still be comfortable in your home with out overloading the generator.

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