If you’re a Buyer of IT solutions, you’re on the right page. With access to the Buyer module in Rejoose, you can collaborate with your suppliers and request data from them when you are considering new IT solutions. With validated information and comparable data across all vendors, you can easily make sustainability and energy efficiency a purchasing parameter. All based on acknowledged and best practice calculation methods.

You define your company IT baseline and maintain this as you buy and implement new solutions, and you will always be ready to deliver report to your team, the management or your customers – showcasing the companys IT progress on sustainability and energy efficiency.



In app support

Phone support

Device verification

Report customization 

Logo on reports


Annaul new hire traning




Per year

< 72h





< 24h

What you need to know about Rejoose

Rejoose is the perfect tool to assist you with environmental and energy efficiency documentation within the ICT sector. For those whose attention is focused on environmental progress and reducing operational impacts, Rejoose narrows down comprehensive analyses to specific key numbers and results.

Get access to a massive verified database including all from end-user IT devices to large enterprise data center installations. Calculate specific parts of an installation or the entire data center and include UPS and cooling loads based on ‘The Green Grid – Data center Maturity model (DCMM).

A Rejoose calculation gives you results that harmonize with the EU’s focus on optimizations that promotes energy efficiency before energy reduction. The ICT sector is growing fast, and energy is in demand within this field. Therefor energy efficiency is set to be a very important factor in the future of the ICT sector.

Rejoose includes our patented EnergyWheel™. This gives unique opportunity to simply showcase Energy ratings(A-G), energy efficiency, energy reductions and CO2 divided by category on one table!

Customize your subscription with personal project descriptions, company logo, specific devices and power consumptions etc. and decide whether you want showcase with an estimate report or a comprehensive report including all appendix.

Our team is always ready to assist you! Within opening hours, you can contact our support directly via online chat or by phone within business hours Monday to Friday 9:00 – 16:00 CET. Otherwise you can at any time submit a ticket in app or send us an email, and we will get back to you asap!