Okay so main thing you want is get an impact/ drill with an Dewalt XR battery. More than likely a company will provide power tools to you though. The smaller batteries will wear out fast and you’ll constantly be charging them.

Buy all Klein hand tools. Malco is king for sheet metal other than snips, get Midwest snips if possible. After a while upgrade to a fluke multimeter and use that Uei as a backup, if you get rid of it you’ll lose the fluke the first day.

Klein makes a 18 in 1 HVAC screwdriver which is handy. Get a gerber or leather man aswell.

Lastly I’ll advise you get one of the Klein electrical detection pen things. It’s saved me from getting zapped when switches have crumbled and no longer work.

Klein Tools NCVT-2 Voltage Tester, Non-Contact Dual Range Voltage Tester Pen for Standard and Low Voltage, with 3 m Drop Protection https://www.amazon.com/dp/B004FXJOQO/ref=cm_sw_r_cp_api_glt_fabc_BQ46SQZGSN654X2N2SMQ?_encoding=UTF8&psc=1