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U.S. Department of Energy
Office of Scientific and Technical Information

Fireplace cross-circulating air heater

Patent ·
OSTI ID:6272540
A fireplace heater has a pair of pluralities of heat exchanger tubes passing air in opposite directions across a fireplace. A first plurality of the heat exchanger tubes passes air from a left blower and duct means to a right duct means which discharges the air on the right side of the fireplace. The other plurality of heat exchanger tubes pass the air from a right blower and duct means to the left duct means which discharges the air on the left side of the fireplace.
Assignee:
EDB-86-016768
Patent Number(s):
US 4535752
OSTI ID:
6272540
Country of Publication:
United States
Language:
English