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12 Ton Water Source Heat Pump Package Unit

12 Ton Water Source Heat Pump Package Unit
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Mitsubishi Electric outdoor unit with two wall-mounted indoor units Clearance Center Mitsubishi R-410A Close-Outs Remaining stock of Mitsubishi Electric R-410A ductless systems, priced to clear while quantities last. Shop Mitsubishi Clearance

12 Ton Water Source Heat Pump Package Unit

12 ton water source heat pump package units are self-contained systems that cool and heat by exchanging energy with a water loop, a well or a closed geothermal ground loop. Each unit holds the compressor, water-to-refrigerant heat exchanger, blower and controls in one cabinet, so there is no outdoor condensing unit. They are a strong fit for large commercial buildings, schools, hotels, office towers, multifamily mechanical rooms and industrial facilities.

With a nominal capacity of about 144,000 BTU per hour, 12 ton units carry demanding commercial loads while the stable water loop temperature keeps efficiency high all year.

What you’ll find here

  • 12 ton water source and geothermal heat pump package units
  • Commercial-grade vertical and horizontal configurations with left or right return air
  • Low-GWP R-454B refrigerant models
  • 208/230V and 460V three-phase electrical options
  • Cupronickel and copper water coil options for open-loop and closed-loop systems

How to choose

  • Size the unit to a load calculation for the space, not to the old equipment
  • Confirm the application: boiler/tower water loop, ground water (open loop) or ground loop (closed loop)
  • Compare EER for cooling and COP for heating at your expected entering water temperature
  • Pick the return air side (left or right) that matches your duct layout and service access
  • Match the electrical supply (208/230V 3-phase or 460V 3-phase) to the building service
  • Check the required water flow (GPM) and pressure drop against your pump and loop
  • Choose a cupronickel water coil for well water or other aggressive water conditions

12 Ton Water Source Heat Pump vs Other Sizes

  • 8–10 ton: Large open offices and retail floors
  • 12 ton: Large commercial zones, gyms, auditoriums and big retail spaces
  • 14–16 ton: Very large single zones and industrial spaces
  • 20 ton: The largest single-unit commercial and industrial loads

FAQ

How much space does a 12 ton water source heat pump cover?
It depends on the building, occupancy and insulation, but 12 ton units typically serve large open commercial zones. Always size from a load calculation.

Can these units be used for geothermal?
Yes. Most are rated for water loop, ground water and ground loop applications. Check each unit's ratings for your loop type.

Do these systems need ductwork?
Yes. Water source heat pumps distribute conditioned air through ducts.

Do they provide both heating and cooling?
Yes. A reversing valve lets the same unit heat or cool year-round.

Do they need professional installation?
Yes. Installation includes the water loop connections, electrical work, airflow setup and refrigerant checks, and should be done by a licensed HVAC professional.

HVAC365 offers transparent pricing, expert guidance and reliable 12 ton water source heat pump package units for efficient, dependable commercial comfort.