Idex installs a heat fridge pump at Amiens-Picardie University Hospital and improves its energy performance

The choice of a heat refrigeration pump allows the site to reconcile energy, environmental and economic performance, with the guarantee of a high level of service, in partnership with IDEX.

Reduce environmental impact and exposure to price volatility

The IDEX teams supported the University Hospital to identify the competitive, low-carbon solution that met the site's needs. First of all, securing and guaranteeing the CHU’s heat and cold production was a prerequisite for the teams. They also took into account the exceptional energy context and the need to reduce the CHU's exposure to the volatility of natural gas prices. Finally, the establishment wanted to reduce its environmental impact by lowering its greenhouse gas emissions and declassifying its installations with the DREAL.

A heat fridge pump for better energy performance

High-performance, capable of operating at high power and ensuring simultaneous production of hot and cold, the heat refrigeration pump has made it possible to respond positively to all these challenges. The cold produced is used in particular for cooling buildings and cooling medical equipment such as MRIs, scanners, PET scans, etc. The heat generated by the production of cold is recovered, then used to preheat the return circuits. heating which passes through the boiler room. This system thus generates energy savings on the heating of all the buildings, i.e. 231.000 m². The installed equipment, with a power of 1.500 kW hot and 1.000 kW cold, required the mobilization of IDEX's technical skills. In charge of the design, creation and operation of the solution, IDEX was the one and only point of contact for the University Hospital to guarantee the operational success of the project.

A project with significant results

This installation, which recovers heat, allows the establishment to achieve a reduction in total natural gas consumption. The saving is of the order of 25%, or 8.400 MWh of gas per year (on a thermal energy consumption of 36.000 MWh/year), which represents the annual consumption of 700 homes (house of 120 m² for 4 people). This energy saving reduces the establishment's greenhouse gas emissions by 1.200 tonnes of CO2 equivalent (i.e. the annual carbon footprint of 140 Europeans), and will generate within a few years a substantial financial saving in a context of sharp increases in energy costs. The investment, amounting to €2.444.918 including tax, received a subsidy from ADEME in the amount of €989.633. The return on investment for this operation is 3 years.

For Tristan Picart, Director of Building Infrastructure Development at IDEX: “Our IDEX teams are delighted with the establishment’s particularly ambitious choice for a heat fridge pump. The Amiens-Picardie University Hospital is the first in France to be equipped with such equipment. This installation allows for better energy performance, by simultaneously meeting the cooling and heating needs of the establishment. Only five months after the start of the work, our teams enabled a successful commissioning which is already recording significant results. »