The installation of radiant floor heating starts with laying Pex tubing beneath the slab, followed by setting up the manifold and boiler for water heating. Rockwool insulation is used for thermal regulation, and the total installation cost is around $2,800. Key techniques for connecting pipes and reusing plumbing fittings are discussed. Wiring includes GFCI outlets, a non-programmable thermostat, and proper wire management for the HVAC system.