3.5-Ton 15 SEER2 SD Series Side-Discharge Inverter Heat Pump - QS15H42HA5

R454B REFRIGERANT

Low-GWP option meeting new guidelines without compromising performance.

QUIET OPERATION

With noise levels as low as 57dB (QS15H30HA5/QS15H36HA5/QS15H42HA5/QS15H48HA5), homeowners can enjoy comfort without disruptive noise.

INDUSTRY-LEADING INSTALL CLEARANCES

Designed for tight spaces, needing only 4” of clearance in the back and 14” in the front.

EXTERNAL SERVICE VALVES

Including redesigned adapters that support brazing or cut-and-flare connections for flexible installation.

PUSH & LOCK THERMOSTAT TERMINAL BLOCK

Speeds up wiring and reduces installation time with no tools required.

INTEGRATED HANDLES

Makes moving and positioning the unit easier during installation.

SINGLE FAN DESIGN

Reduced cabinet size compared to dual-fan systems for easier handling.

INDOOR UNIT FLEXIBILITY

AHRI certified matches with compatible air handlers and evaporator coils.

24V THERMOSTAT COMPATIBLE

Compatible with popular 24V thermostats, allowing easy installation without proprietary controls.

Compact Comfort

With a slim design as low as 13 3/8” (QS15H18HA5/QS15H24HA5), this unit is perfect for small spaces.

Coil Guards

Factory-installed on every unit to help protect the coil from damage.

Ten-Year Limited Warranty

Homeowners can extend the five-year warranty with registration. See warranty details for complete information.