
The five major components of a residential structure are—from top to bottom—the Roof, HVAC, Plumbing, Electrical, and Foundation. They represent the core systems of the home and are the most expensive to fix or replace.
The five major components of a residential structure are—from top to bottom—the Roof, HVAC, Plumbing, Electrical, and Foundation. They represent the core systems of the home and are the most expensive to fix or replace.