Lennox XP21 Heat Pump
The most quiet and efficient heat pump you can buy
When it comes to cooling and heating your home, the XP21 rises to the challenge in a way that's unmatched by any other heat pump. Exclusive SilentComfort™ technology, combined with two-stage operation, maintains precise temperatures while keeping energy costs and sound levels at a minimum.
Energy Efficency | Quiet Operation | Home Comfort | Performance

Recognitions and Certifications
Energy Efficiency
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Efficiency ratings of up to 19.00 SEER and 9.50 HSPF—nearly twice as efficient as a standard heat pump
SunSource® Solar-Ready option—allows you to add solar modules and create a solar powered system that generates electricity for your heat pump and more, reducing energy consumption and utility costs
icomfort™-enabled technology—allows the heat pump, when installed with the easy-to-use programmable icomfort Touch® Touchscreen Thermostat, to exchange information and make adjustments as needed to optimize performance and efficiency
ENERGY STAR® qualified—meets or exceeds EPA guidelines for energy efficiency
High-efficiency outdoor coil—provides exceptional heat transfer and low air resistance for high-efficiency operation that can lower your cooling bills
Dual-fuel capability—can be combined with a gas furnace to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs
Quiet Operation
back to topSound levels as low as 67 dB
SilentComfort™ Fan Grille—uses patent-pending, vortex-suppression technology to reduce sound of airflow exiting unit, providing a quieter environment outside your home
Precision molded compressor sound cover—minimizes operating sounds
Insulated compressor compartment—minimizes operating sounds with innovative materials and industry-leading, vibration-isolating mounts
Home Comfort
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Dependable two-stage scroll compressor with Silent Comfort technology—operates at low stage most of the time for quieter, more efficient performance
Humiditrol® whole-home dehumidification system compatiable—allowing the system to manage the mositure in your home's air for greater comfort and improved indoor air quality
Performance
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SilentComfort™ Outdoor Fan Motor with Composite Fan Blades—provides extremely reliable starting and running performance, even under the harshest outdoor conditions
SmartHinge™ louvered design—allows quick, easy access to interior components from all sides for cleaning and maintenance. Protects coils from damage and provides clean appearance
Durable steel cabinet—made to last with superior high-quality, pre-painted steel and textured finish. Tested to withstand the harshest environments
10-Year Limited Warranty on compressor and covered components
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