Tranquility® Dedicated Outdoor Air Systems (TOV) Vertical


ClimateMaster Dedicated Outdoor Air Systems (TOV) Vertical Series provides the most complete solution for your water-source application. Our many options and configurations allow the design for outdoor air requirements to be incorporated into the water loop system, further enhancing the advantages of a WSHP application. The ability to precisely control leaving air dew point temperature in summer, handle extremely cold entering air temperatures in winter, and perform at part load conditions give designers unmatched flexibility in building design, Indoor Air Quality (IAQ) and energy efficiency.

Leaving Air Temperature

  • Raised lance fins, rifled tubes maximize moisture removal

Evaporator Coil

  • Supply air temperature controlled to ±0.2°F (±0.1°C)
  • Substantial energy savings & ASHRAE 90.1 compliant
  • Conditioned outdoor air can be introduced directly into space

Drain Pan

  • Stainless steel pan minimizes corrosion
  • Sloped design avoids hazardous puddling


  • Forward curved centrifugal blowers or plenum fans

Refrigerant Reheat Coil

  • Sized for neutral LAT (65 – 80°F, 18 – 27°C) with ±0.2°F (±0.1°C) control
  • Adequate coil separation avoids re-hydration

Scroll Compressor

  • State-of-the-art compressor technology for highest efficiency & reliability
  • Quiet operation
  • Units 8 tons (28kW) & larger, multiple compressors are staged to match the load

Electrical Service

  • Single point connection, including heat — all units


  • Closed cell foam or polystyrene board in double-wall construction
  • Superior to fiberglass insulation — eliminates fiber-release into air
  • Meets ASTM mold, mildew, moisture resistance specifications

Refrigeration Circuit

  • Dissipates captured heat into water loop
  • Unique design — no reversing valve
  • Modulating hot gas reheat


  • 4″ deep extended surface, pre-filters (MERV 7)

Additional Options Increase Flexibility

  • Optional coil coatings available for corrosive environments
  • Single phase available on 4 & 5 ton (14 & 18 kW) units
  • Optional power disconnects (fused & non-fused)
  • Units available in 4 – 30 tons (14 – 105 kW)
  • Contact factory for non-standard options

Downloads (Literature)