A HVAC zone refers to a precise area of a building that is heated, cooled, or ventilated by a HVAC system.  Zones may be specific rooms or whole floors of a home.  Commercially, a zone may be one office, a section of offices, or a story of a building.  Today’s residential homes are generally built with three to five HVAC zones.  Each zone has its own thermostat to monitor different areas for desired temperature and comfort level.  Most homes are fitted with standard dial thermostats that may compromise energy consumption.  However, there are specialized “smart” alternatives for the modern homeowner.

Digital Thermostats
Simply put, digital thermometers have buttons instead of a dial for controlling HVAC zones.  Many have the option of presetting temperature, with “home” and “away” buttons, and timers.  These are called “digital programmable thermostats.”

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