For the trim, you will need a miter saw, and will probably want a compressor and finish nailer. 

To increase the life of the compressor, the underside of the refer should be cleaned out on a regular basis.

I've had to put on a new roof (2013), put in a new air conditioning compressor (2014), replaced carpet with 100% tile (2016) and window coverings with shutters (2016).  

Fan motor or compressor - hopefully just the fan motor. 

It will require a generator if the power is off, an air compressor, an adaptor to go from air fittings to female hose threads.  

I had a new system installed and several HVAC contractors told me that it was standard practice for them to do the install but wait until the unit was leased and then come out to install the compressor.

I live in Richardson, TX and had an HVAC person who literally lives 4 streets away from me, charge $800 to replace the compressor (which was under warranty, so he swapped it out at the dealers warehouse).

Get a compressor nozzle and pressure air into the line up to 40 lbs Psi.

Humidity of Supply and Returns (may be expressed as Wet Bulb)Amp Draw of Compressor (and what it is supposed to be)Temperature Difference of Supply/ReturnThere are many more items to check, but this should be the minimum on your report/invoice. 

Add an air compressor and start swinging.