Zonal Heating Systems
Unlike a central heating system, zonal
heating allows you to adjust the temperature at varying levels throughout the
house.
Zonal heating with individual units in each room (or
zone) is a popular choice in homes. Separate thermostats give you the
flexibility to control areas to be heated providing maximum comfort in every
room.
Zonal heat can also take advantage of passive solar
heat allowing the sun to warm certain areas of the house without affecting the
entire system. Planning for a zonal heating system must start early because the
system depends on the efficiency of the building shell and the floor plan.
A zone, in the typical home, would be defined as any
area isolated from other areas by partitions or doorways. For instance, each
bedroom is usually a separate zone. A typical 3-bedroom, 2-bathroom home might
need seven or eight zones. Homes with more open floor plans will have fewer
zones. There can be more than one heater in a zone controlled by a single
thermostat.
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