AA Series Water-Source Heat Pump

Compact, adaptable design for simplified installation.

AA Series Water-Source Heat Pump

Convenient Operation with Flexible, Efficient Performance

The YORK® AA Series Water Source Heat Pump features a compact, installation friendly design that streamlines retrofit and replacement projects in commercial applications. Available in capacities from ½ to 6 tons, this single stage unit delivers efficient, code compliant performance that meets or exceeds ASHRAE 90.1 standards. Engineered with advanced compressor and heat transfer technologies, the AA Series provides consistent, energy efficient operation across both water loop and geothermal systems. Optional ECM Constant Torque and Constant Airflow blower configurations enhance flexibility, enabling precise performance tailored to a wide range of application and control requirements.

Benefits

Highly Efficient

HIGHLY EFFICIENT

The advanced single-stage unit meets or exceeds ASHRAE 90.1 efficiency standards.

LOW EMISSIONS

The R-454B refrigerant has a low global warming potential (low-GWP) that meets the AIM Act criteria.

Convenient Servicing

CONVENIENT SERVICING

The swinging electrical box provides convenient access to the compressor and other internal components.

Quiet Operation

QUIET OPERATION

A unique sound isolation system eliminates vibration transmission and reduces unwanted noise.

Features

Swinging electrical box
Convenient air coil serviceability (vertical units only)
Available in vertical and horizontal sizes
Left or right front water connections
½” 1.5 lb. dual density fiberglass insulation

Slide out blower (vertical units only)
ASHRAE 90.1 compliant
Copper or cupronickel water coil
Uncoated or DuoGuard air coil
PSC, ECM Constant Airflow, and ECM Constant Torque blowers available

Technical Resources

Document Name

Description

Language

Resource Type

AA

39227_YORK_2026WSHPProductCatalog_FINAL_DIGITAL (English)

AA

39227_YORK_AA One Sheet_060526_CF_v1 (English)

No resource found for selected filter

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