Projects

Every year, numerous companies place their trust in the Callens Group. We deliver installations tailored to your needs and future ambitions, from brand-new systems to complex renovation projects. With temporary rental boilers, we keep your production running throughout the works. And once your installation is up and running, you can continue to rely on our service to keep it performing at its best.

Hybride Stoomketels Tiense Suiker 2
Heat technology Steam boilers Hybrid +2

Zero by 2050 is coming closer with hybrid steam boilers

Capacity2 x 15 T/h
Design pressure13 barg
Eboiler 4
Heat technology Electrode boilers Steam boilers +2

E-boilers combine increased production with lower CO₂ emissions

Capacity2 x 5 MW 
Connection voltage15 kV
“Every technological breakthrough sets something in motion. While innovation used to almost automatically involve major investments, today we see technologies that are mature, scalable and economically viable. At every stage of the heating and air process, we can make a difference.”
Decospan Menen VKK 4 T 15 MW PRJ240302 4
Heat technology Steam boilers Hybrid +2

Hybrid power for a volatile energy market

Capacity6.3 T/h (4 T/h + 1.5 MW electric)
Design pressure13 barg
Callens Warmtepomp 3
Heat technology Industrial heat pumps Electrification +1

Industrial heat pumps reduce CO₂ emissions

Capacity4.2 MW
Energy source100% electricity
Soudal Turnhout afzuiging drijfgassen PRJ12563 13
Air technology Extraction Gas and vapor extraction

Extraction system takes on hazardous propellants

Capacity40,000 m3/h
Zone typeAtex
PRJ250188 Poppies Zonnebeke Warmtetechniek 2
Heat technology CO2 reduction Energy recovery for thermal technology

Waste heat from baking ovens keeps buffer tank temperature stable

Capacity per condenser43 kW
Exhaust airflow1,200 m³/h
Lamb Weston 900kgh 22 barg Bergen op Zoom PRJ220144 1
Heat technology Steam boilers Electrification +2

100% electric steam boiler brings new potato flavors to temperature

Capacity900 kg/h
Operating pressure22 barg
Working pressure16-18 barg
Callens stoom 1
Heat technology Hydrogen-fired CO2 reduction +1

Steam boiler feels the heat of hydrogen

Capacity25 T/h
Design pressure25 barg
Volvo Car Gent penthouse 2x36000 m2 PRJ230077 1
Air technology Climate control Industrial ventilation +1

Double ventilation system for safe battery assembly

Supply and exhaust2 x 36.000 m3 per unit
Power730 kW per unit
Agfa Gevaert Mortsel Eboiler weerstand 5 MW Danstoker PRJ230202 1
Heat technology Electrification Electric +2

Electric steam boiler efficiently harnesses surplus electricity

Capacity8 T/h
Power5 MW
Design pressure10 barg
Brouwerij De Brabandere Bavikhove ST biogas 25 T PRJ12427 1
Heat technology Valorizing waste flows Biogas-fired +2

Steam boiler utilizes brewery’s biogas maximally

Capacity2.5 tons/h
Operating pressure13 barg
Working pressure8 barg
Callens luchtontvochtiging kartonproducent 1
Air technology Drying Process air +2

Dehumidification with additional air conditioning and heat recovery

Extraction flow 4 x 28,000 m3
Supply air flow 4 x 28,000 m3
Heating capacity4 x 224 kW
Katoen Natie Antwerpen ST 25 T Containerverwarming PRJ12707 4
Heat technology Steam boilers Gas-fired

Steam and central heating system keep bulk containers reliably warm

Capacity2,5 T/h
Operating pressure13 barg
20230426 153901
Heat technology Steam boilers Gas-fired +2

From expensive overcapacity to balance with backup steam

Capacity2 x 5T
Seal pressure10 barg
Operating pressure6 barg