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Residential Heating Selection Guide
This guide is intended to present an overview of the broad range of zone heating
products we offer. For information about a particular product, talk to your dealer or
download the spec sheet at www.empirecomfort.com.
Empire Heating Systems Residential Zone
Heaters allow you to turn down the central
furnace and heat just the rooms you use
most. These systems also save your energy
dollars by not suffering the heat-loss
common in a long vent run from the central
furnace. The heat that's produced in the
room gets projected into the room.
Empire offers a variety of gas-fired
heaters, employing three different
technologies – Direct-Vent, B-Vent, and Vent-
Free. Nearly all are available in LP and
natural gas models.
Unlike a conventional furnace, most
Empire heaters provide heat even when
electric power fails.
The system you choose will depend on
the amount of heat required, the efficiency
you desire, the location of the heater, and
local codes.
Vent-Free Systems
Vent-Free systems draw room air to
support combustion in a clean burning blue-
flame or radiant-plaque system. Rated at
99.9 percent efficient, vent-free heaters
release nearly all of the available heat energy
into the room.
To ensure safe operation, all vent-free
systems include an Oxygen Depletion Sensor
(ODS) to automatically turn off the heater if
room oxygen level drops to an unsafe level.
Vent-free systems are designed to provide
supplemental heat and may not be used as a
primary heat source.
Empire Heating Systems • www.empirecomfort.com
Check local codes for installation
requirements and ask your dealer to
recommend a trained installation technician.
Direct-Vent Systems
DV systems mount along an outside wall
and have a vent-within-a-vent system to
draw in outdoor air to support combustion
and exhaust flue products to the outdoors.
The vent cap usually installs on the outside
wall of the home.
Because they do not draw your already-
heated room air to support combustion, DV
systems are among the most efficient of the
vented heaters.
DV systems may be installed as the
primary heating system.
B-Vent Systems
B-Vent systems use room air to support
combustion and exhaust their flue products
to the outdoors via a single pipe. B-Vent
heaters can mount anywhere you have
access to an existing flue or where you can
install a vent run through the roof.
The ability to attach to an existing flue
makes a B-Vent system an excellent
replacement for an inefficient oil or wood
stove.
Though less efficient than other
technologies – because they draw the
already-heated room air to support
combustion – B-Vent systems may be
installed as the primary heating system.