Trane XB13 Ac unit

The first unit in the attic will handle 1500 sq ft and the basement unit will handle 18000 sq ft.

I have an outside A/C unit that does not do anything, I replaced the thermostat over the winter, the heat kicks on with the furnace no problem, but at the thermostat you hear the click when setting the temperature below room temperature, but nothing happens out at the outside unit. I checked the...

I replaced my heat pump about 1-2 yrs ago with a Trane XR13 unit. I now need a new air handler installed in my attic. What Trane air handler unit would be compatible with the heat pump?

My spouse is deployed and I put the filter in the wrong place. I placed it at the bottom of the unit where the vent is.:confused: I found out that I put it in the wrong place by opening the unit door and opening another cover where I found the Frozen and Dirty Filter. I have turned off the unit...

When I turn the a/c on inside the trane unit outside is making a loud buzzing sound. What can I do?