I'm gonna start using copper as conduit to run all my wires in : r/HVAC

Frozen Air Conditioner? Here's How To Fix It

The Easiest Way To Pull Large Gauge Electrical Wires Through Conduit

Do I need to change the copper pipe after 5 years for a split AC? - Quora

Monoprice Speaker Wire, Oxygen-Free CL2 Rated, 2-Conductor, 12AWG, 300ft

I'm planning to have my HVAC guy run a replacement line set from my furnace to the condenser unit, through the 4” diameter PVC I just trenched. This is intended to free

The Little Green Wire – AC Connectors

Can you double up wires to run more amps? - Quora

Streamline 3/4-in x 5-ft Copper Type M Pipe in the Copper Pipe & Fittings department at

IBOSAD HVAC Hydraulic SWAGING tool kit for copper tubing Expanding 3/8 inch to 1 1/8 inch

An HVAC Technician's Guide To R-32, 2020-11-12