Closetline® Packaged Water Source Heat Pump | Whalen

SKU: Closetline Packaged Water Source Heat Pump

The Closetline® Series boasts a compact cabinet, making this the perfect solution for commercial retrofit or new construction.


Closetline® Packaged Water Source Heat Pump

The Closetline® CAS series from The Whalen Company boasts a compact cabinet, making this heat pump system the perfect solution for commercial retrofit or new construction applications.

The Closetline® CAS series far exceeds the ASHRAE 90.1 minimum efficiency and utilizes environmentally friendly R-410A refrigerant to reduce operating costs without compromising the environment. Closetline® water source heat pumps are popular in a variety of building applications where quiet operation in a compact footprint is a key requirement.

True to our commitment to offer equipment that’s flexible enough to meet the design of the building rather than forcing a building to conform to limitations of the equipment, our Closetline® packaged water source heat pumps can be applied to virtually any type of building.

With its compact footprint, the Closetline® CAS Series is particularly advantageous for new construction or renovation of apartments, condominiums, hotels, senior living facilities, dormitories and office buildings.

Compact Footprint

Compact cabinet design with quick access for ease of service. Horizontal units can be serviced through the unit bottom to virtually eliminate removing ceiling mounted units for service.

R-410A Refrigerant

Environmentally friendly, non-ozone-depleting refrigerant to protect the Earth.

Fan Operation

Oversized blower for quiet operation. A PSC fan motor is standard for economical operation with an optional constant torque multi-speed EC motor, with soft start and serviceable from one side.

Drain Pan

Internally trapped (vertical models), stainless steel drain pan for years of trouble-free service.


Compact and efficient compressors, with double isolation for quiet operation.

Reliable Operation

Thermostatic expansion valve maintains maximum capacity under a wide range of operating conditions.

Coaxial Heat Exchangers

Heavy duty coaxial heat exchanger for reliability. Enhanced internal surface treatment for increased efficiency (CuNi available).

Easy to Install

Water connections are securely mounted flush to the cabinet to eliminate the need for a backup wrench.

Electronic Control Board

Each unit ships with solid state microprocessor controls with safeties built-in for reliable protection.

Built to Last

Satin galvanized and acoustically insulated cabinet for years of quiet operation.

Geothermal Application

Unit capable of operation on a closed loop or a water well installation.

Residential & Commercial HVAC Service Area Includes: Toronto, Mississauga, Brampton, Oakville, Georgetown, Milton, Scarborough, North York, Etobicoke, Islington, Rexdale, Weston, The Beaches, East York, Richmond Hill, Thornhill, Newmarket, Bradford, Aurora, Innisfil, Markham, Stouffville, Uxbridge, Unionville, Vaughan, Concord, Woodbridge, King City, Bolton, Caledon, Pickering, Bowmanville, Ajax, Whitby, Oshawa, Hamilton, Burlington

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