Cooperative Living February 2015 - 29

Installing an automatic zone
control system is the best and most
energy-efficient method to control
individual room temperatures. A
zone control system adjusts special
duct dampers based on the actual
room temperatures and the desired
temperatures.
Many homes have access to only
main ducts, which later branch out to
the individual rooms. In this case, the
zone control system will control the
temperatures in each room grouping,
such as all the bedrooms, kitchen/
dining areas and the living room.
Although it is optimum to control
each room independently, having just
three or four zones is adequate for
comfort and energy savings.
A programmable thermostat is
mounted in each room or zone
grouping to control the motorized
duct damper leading to it. If the room
is too warm during winter, the
damper in the duct leading to that
room partially closes. For example, a
zone thermostat may continuously
readjust the damper position as the
intensity of the sun shining through a
window changes throughout the day.
The majority of the energy savings
with an automatic zoning system are
realized because each room temperature
can be varied throughout the day.
There is no need to keep the bedrooms
toasty warm during the daytime or the
living room warm overnight. The programmable
thermostats are designed
to bring room temperatures back up
without having the backup resistance
elements come on.
There are various designs of zoning
dampers, from just a simple flat
damper to bladders, which inflate
with air to close off the ducts. They
all function equally well. With the
many new thermostats and use-control
electronics, adding a zoning system
requires professional installation.
Talk to a qualified technician, and
design a system that works best for
your home.
The following companies offer
zoning systems:
Aprilaire,
800-334-6011,
www.aprilaire.com;
Arzel Zoning Technology,
800-611-8312,
www.arzel.com;
Duro Dyne,
800-899-3876,
www.durodyne.com;
EWC Controls,
800-446-3110,
www.ewccontrols.com; and
Zonex Systems,
800-228-2966,
www.zonexproducts.com. 
Send questions to James Dulley, Cooperative
Living inquiry, 6906 Royalgreen Dr., Cincinnati,
OH 45244 or visit www.dulley.com.
February 2015/www.co-opliving.com
27
http://www.aprilaire.com http://www.arzel.com http://www.durodyne.com http://www.ewccontrols.com http://www.zonexproducts.com http://www.dulley.com

Cooperative Living February 2015

Table of Contents for the Digital Edition of Cooperative Living February 2015

Cooperative Living February 2015 - 1
Cooperative Living February 2015 - 2
Cooperative Living February 2015 - 3
Cooperative Living February 2015 - 4
Cooperative Living February 2015 - 5
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