Ducane™ 4HP18 18 SEER
Proper sizing and installation of equipment is critical
to achieve optimal performance. Ask your contractor
for details or visit www.energystar.gov.
Dual Fuel Compatible For even greater efficiency, these heat pumps can be paired with a furnace. Called a Dual Fuel System, this combination minimizes heating costs by seamlessly alternating between the two energy sources, depending on outdoor conditions.
* Applies to residential applications only. See full warranty at www.alliedair.com for terms, conditions and exclusions.
** Energy Efficiency and Renewable Energy Network, U.S. Department of Energy. Air conditioner calculations are
based on every $100 spent to cool a home using a 3-ton, 13-SEER unit. The US national average is used for
electricity consumption. Actual cost savings may vary depending on personal lifestyle, system settings, equipment
maintenance, local climate, actual construction, installation of equipment and duct system, hours of operation and
local utility rates. This information is intended as an example for comparison purposes only.
† This product meets the SEER efficiency guidelines for the “Middle Class Tax Relief Act of 2010.”
Consumers may be eligible for a tax credit for up to $300. Please consult a qualified Tax Professional for eligibility.
† † Microban
technology applies to the indoor coil section of Ducane matched systems.
All specifications and illustrations subject to change without notice and without incurring obligations.
Quiet, durable two-stage scroll compressor provides better humidity control while lowering utility bills.
Drain pans are protected with Microban®, inhibiting the growth of odorcausing mold and bacteria††.
Uses R410a refrigerant– A chlorine-free, high performance refrigerant that is better for the environment.
Two-stage compressor designed to operate at lower speed most of the time for quieter operation. Heavy-duty compressor sound blanket lowers noise
Defrost control is Quiet Shift™ capable, allowing the unit to shift quietly
into defrost mode without the loud hissing noise that may occur (heat pump models only).
Swept-wing fan blades reduce turbulence and deliver whisper-quiet performance.