Supply management

Software for the management of payments, expenses and supplies for renting and leasing


on-site audits to identify retrofit and replacement opportunities including lighting, boilers, plumbing fixtures, temperature controls, pools and irrigation.

conservation project proposals including costs, savings and ROIs.

retrofit and replacement project implementation, including contractor management.

ongoing usage data and provide reports with actual usage savings and ROI post-project completion.

Rate and Tax Assurance
Rentger helps ensure that you are being charged the correct rates for your energy services. We analyze historical utility consumption and cost data to identify anomalies and rate savings opportunities. Get peace of mind knowing your properties are on the right rates.

Split supply
You can split a expense between all the tenants of an asset, like the tenants in rooms of a flat

We help you in everything

24-hour support means you're never alone.

Free Demo

At Rentger you can do a free demo and tour of all Rentger functionality and associated services, so you can see how we're going to help you in your day-to-day work to gain freedom

Live Chat

Real time chat support with an expert at your disposal so you don't lose a second looking for a solution to your problem. An unparalleled experience.


A telephone for you to resolve those doubts that are hard to express. Enjoy an expert who understands your problems and helps you focus on your business.

Request Demo

Request the day and time that best suits you to give you a demonstration of Rentger's full potential.