Vertical Stack Water Source Heat Pump – UVHP

Unilux vertical stack water source heat pump units meet the requirements of UL 1995 / CSA 22.2 #236 – Issue 2011 Standard for safety heating and cooling equipment.

Unilux vertical stack heat pumps provide whisper-quiet home comfort to residents while maximizing energy efficiency. Our heat pump design features a floating chassis that minimizes vibration and reduces sound. We also include the best stainless-steel drain pans, latest safety sensors and control capabilities. Upgrade your heat pump with innovative add-ons like integrated energy recovery ventilators with dynamic balancing.

Made with the best materials and components, our heat pumps are incredibly easy to install and service. Our innovative control board allows technicians to plug in and diagnose issues using our heat pump data logger or data extractor.

For the best high-rise home comfort, choose a Unilux heat pump.


  • 0.5 – 1 Ton
  • 1.25 – 1.5 Ton
  • 2 – 3 Ton
  • Integrated ERV configurations available

Our Quality Commitment

We take pride in designing and building the best heat pumps available. We have measures in place to ensure our customers experience long-lasting high-quality home comfort, including:

  • Being ETL Intertek approved for electrical safety standards on all units
  • Using trusted European suppliers for all valves and actuators
  • Working with some of the most-trusted suppliers in the industry for all components
  • Using North American made coils and blowers designed specifically for Unilux heat pumps
  • Pressure testing all coils and assemblies for leaks with state-of-the-art testing equipment
  • Inspecting each unit as they are completed
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20-gauge galvanized steel. Configured with front, back, left, right or top supply air openings. Cabinet is fully insulated with 1″ fiberglass insulation with a thermosetting resin. The cabinet is coated on the air stream side with an acrylic facing without the use of flammable adhesives. Insulation inside the unit: Flame-spread rating no more than 25; Smoke-developed rating no more than 50.

Fan & Motor Assembly

A thermally protected, multi-speed ECM motor is resiliently mounted to a centrifugal fan which has a galvanized steel forward curved DWDI wheel in a galvanized housing.

Refrigeration Chassis

A completely removable, floating-design chassis minimizes vibration and allows easy access for service. The chassis is complete with a rotary or scroll compressor enclosed in a sound dampening and isolated box, coax heat exchanger, TX valve, 4-way reversing valve, balancing valve, 2-way valve and motorized actuator, DX coil and R410a refrigerant piping.

Stainless Steel Drain Pan and Overflow Sensor

Stainless-steel drain pan with neoprene insulation. A flex hose will connect the drain pan with the condensate riser and will be easily accessible for cleaning. The pan includes an overflow sensor to detect rising water levels and turn the unit off to prevent flooding.


Supply and return risers are type ‘L’ copper and condensate risers are type ‘DWV’. All have deep expanded ends to facilitate field installation. Supply and return risers can be protected by a galvanized steel enclosure covering the length of the cabinet. Insulation to be provided as per specifications.

Universe Thermostat

Digital, touchscreen thermostat is fully programmable with 4 programs per day, 3-speed fan control, temperature setting, time date and humidity level display. Wi-Fi connectivity is included for mobile and web application support, as well as Google Assistant and Amazon Alexa connectivity.


A 1″ MERV 10 disposable filter is included with the return air intake opening.

Access Panel

20-gauge steel construction finished in a durable baked enamel powder coat. Includes a hinged door for easy filter exchange.

Supply Air Grilles & Registers

Double-deflection supply air grilles have adjustable vertical and horizontal louvers. They are constructed with light-gauge, powder-coated metal.

Ball Valves

Manual shut-off valves.

Water Hoses

Flexible supply and return lines isolate compressor noise from the building’s pipe system.

Unit Tagging

Units can be tagged with specific room numbers, riser numbers and other unique requirements.

New: Universe Thermostat Available on All Unilux Products

We packed Universe full of new features. Residents can now enjoy an easy-to-use thermostat that they can program for their comfort and energy savings needs.

• Wi-Fi connectivity
• Fully programmable
• Multiple fan speed control
• Touchscreen digital display
• Universe app available for Android and iOS
• Multiple energy saving settings