Viessmann’s new Vitocrossal 100 boiler wins an HVR Award

Vitocrossal 100, 80 to 320 kW, as a twin boiler unit up to 640 kW


Take advantage of these benefits

  • Pre-installed unit: quick and easy installation thanks to fully wired and pre-assembled components
  • Standard seasonal efficiency [to DIN] up to 98 % (Hs) [gross cv] / 109 % (Hi) [net cv]
  • Suitable for natural gas E, L, LL
  • Stainless steel heat exchanger for maximum efficiency
  • Modulating MatriX cylinder burner with a long service life thanks to stainless steel MatriX gauze – resistant to high temperature loads
  • Low-wear operation and long service life, modulation range of up to 1:5 and long burner runtimes without cycling
  • Lambda Pro Control combustion controller for automatic adaptation to changing gas qualities and therefore high efficiency and economy
  • Excellent accessibility to all components for ease of service and maintenance
  • Proven Vitotronic control unit with user prompts and plain text display
  • Low power consumption as no boiler circuit pumps needed due to large water content
  • Quiet operation (no additional noise attenuation required)
  • Can be controlled online via app with the optional Vitoconnect 100 WLAN module

HVR awarads

Viessmann has won a highly coveted HVR Award at this year’s ceremony, clinching the top spot in the Commercial/Industrial Heating Product of the Year category for its new Vitocrossal 100 boiler.

Viessmann launched the Vitocrossal 100 – an exceptionally compact floor-standing commercial boiler – earlier this year, and it is already being specified and installed in buildings where plant room space is limited. The boiler’s small footprint was achieved by the design of an innovative new stainless steel heat exchanger. It is the first floor-standing gas-fired condensing boiler on the market to feature Lambda Pro technology for optimum performance and efficiency. There’s a choice of seven Vitocrossal 100 models, ranging from 80 to 320 kW, plus the option of a twin cascade within a single casing for up to 640 kW. As standard it delivers the benefits of a high water content boiler with no minimum flow rate requirement, no boiler pump requirement and subsequent savings on electrical running costs.

 Jonathan Grist, Viessmann commercial sales director, who collected the award at the London event, commented: “We are delighted that Vitocrossal 100, the boiler that can get to places that others can’t, has been recognised with this HVR award as a star industry product. The response from installers has been exceedingly positive and we expect it to be a popular choice for schools, offices and other space-restricted buildings.”

Organised by Datateam Business Media, and in its eighth year, the HVR Awards is a celebration of innovation and excellence in the heating and ventilation industry.

For the full list of this year’s winners and highly commended, and for more information on the HVR Awards, visit



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