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This
high-efficiency two-stage variable-speed furnace series provides
unparalleled home comfort and operational economy.
The engineering of the
two-stage variable-speed York® ULTRA gas furnace allows customers to
slash operating costs as much as 35%, while keeping operating sounds to
a mere whisper.

ECM Technology Saves You Money.
In a typical home comfort system, the advanced ECM motor
of a York Diamond ULTRA
furnace uses less electricity than a 100-watt light bulb. Conventional
furnace motors, on average, consumer nearly 500
watts.
Take Comfort in Two-Stage
Performance.
During moderately cold days this two-stage
variable-speed furnace runs at low capacity, efficiently heating
your home. On bitter cold days, second-stage heating capacity begins
to maintain indoor comfort. This smart process eliminates wasted
energy, reduces heating bills, and keeps you warm all day long.

Rely on a Durable
Design.
Meeting strict quality standards, York builds each
Diamond ULTRA furnace with corrosion-resistant materials and
sound-dampening devices. Plus, two-stage operation means less starting and
stopping, which greatly reduces wear and extends equipment life.
The Federal Government has established
Annual Fuel Utilization Efficiency (AFUE) ratings to allow you to compare
the efficiency of furnaces. The higher the AFUE percentage is (like 94%),
the more efficient the furnace.
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