| 1927 |
Air circulating fireplaces |
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| 1946 |
Heatilator introduces the first factory-built fireplace system, eliminating the need for any masonry construction |
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| 1985 |
Quadra-Burn system that burns and reburns gases and smoke up to four times |
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| 1987 |
Heat & Glo introduces direct vent technology for gas fireplaces |
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| 1988 |
Remote controlled fireplaces |
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| 1991 |
Wall heater fireplaces |
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| 1993 |
Annual Fuel Utilization Efficiency (A.F.U.E.) rated fireplaces that tested to the same standards as an energy efficient furnace |
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| 1995 |
Four-sided gas fireplaces |
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| 1997 |
Zone Heating (Heat-Out and Heat-Zone) and Firebrick Technology |
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| 1998 |
Ceramic fiber firebox in a direct vent fireplace for enhanced realism |
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| 1999 |
Outdoor zero-clearance gas fireplaces |
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| 2000 |
Fireplaces designed for specific rooms like kitchens and bathrooms |
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| 2001 |
Revolutionary cooking technology in a grill called Patio Gourmet |
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| 2002 |
IntelliFire Plus™ electronic ignition system that eliminates the need for a standing pilot on gas fireplace products |