Home systems are the mechanical and technical components that make a house functional, comfortable, and safe. Heating, cooling, electrical, plumbing, and ventilation systems affect energy use, indoor comfort, and long-term operating costs.
This hub covers the core residential systems found in modern homes, explaining how they work, how they differ, and how system choices impact performance, efficiency, and maintenance.
Home System Categories
Select a system to explore components, configurations, and planning considerations.
Heating
Furnaces, boilers, heat pumps, space heaters, fireplaces, and heating distribution methods.
HVAC
Central and ductless HVAC systems, air handlers, ductwork, and climate control strategies.
Ventilation
Fresh air systems, exhaust fans, HRVs, ERVs, and indoor air quality basics.
Plumbing
Water supply, drainage, fixtures, water heaters, and plumbing layouts.
Electrical
Wiring, panels, circuits, outlets, lighting systems, and electrical safety.
Smart Home
Connected devices, controls, automation systems, and integration considerations.
Energy Efficiency and Performance
System efficiency affects operating costs and comfort over the life of a home. This section focuses on energy performance, system sizi