Petra Products

Petra Engineering have been manufacturing high quality Air Conditioning, Ventilation and Refrigeration products for more than 30 years.

We have an extensive range of units as standard, but can also design and manufacture equipment to suit your exact needs – please just contact us to discuss your requirements.

Air Cooled Chillers


Water Cooled Chillers

  • Standard capacities 129kW – 3MW
  • R134a/R513a/R1234ze
  • Door way and extended chassis options
  • Screw compressors
  • DX shell and tube coolers
  • DX shell and tube condensers
  • WPS range

Modular Chillers

  • Air cooled modular chillers
  • Capacity 35kW to 211kW per module
  • Up to 16 modules can be grouped together
  • Heating or cooling available
  • PAMC Range

Dry Air Coolers

  • 15 standard models available
  • Optional flat bed or V-segment coils
  • Adiabatic coolers available
  • Use in conjuction with Petra Water Cooled Chillers
  • Free cooling application for up to 80% energy saving with Petra Air Cooled Chiller
  • PDC range

Package Units

  • Air and Water Cooled Package Units available
  • R134a/R452b/R410a/R1234ze
  • Standard models 6kW – 700kW
  • Air flow rates 661l/s – 28,314l/s
  • Options available for explosion hazardous environments
  • PPH range

Air Handling Units


Compact Air Treatment

  • Designed to deliver high efficiency in small spaces
  • Rotary heat exchangers
  • Variable sequence of selectable sections
  • Quiet operation
  • Robust design
  • Please call us for more information
  • Download the Compact AHU Brochure here

Data Centre Cooling

  • Scroll compressors
  • R452b/R1234ze/R410a
  • 10 standard models
  • Water cooled versions also available
  • In-row units available (300mm and 600mm width)
  • Stainless steel units for offshore applications
  • Steam humidifier and electric heating
  • PASC range

Data Centre AHU

  • Downflow and upflow options
  • Raised floor mounting with floor stand available
  • Front access panel for service
  • EC fans
  • Stainless steel or aluminium panels
  • PASC PAH Range

Hazardous Location Units

  • ATEX and IECEx certified units – models include: wall mounted, air handling units, package units, chillers
  •  Certified to EN-IEC 60079 standards
  • Hazardous Location Units range

Condensing Units

  • 25 standard models between 25kW and 608kW capacity
  • High efficiency options available
  • R452b/R1234ze/R134a/R410a
  • DSP range

Fan Coil Units

  • Chilled water fan coil units
  • Low and medium static pressure ducted units
  • Decorative Wall mounted units
  • Decorative Cassette type units
  • FCU range