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Our services include the installation of measurement devices, the collection of consumption data and billing for our customers. Our objectives are twofold: to continually reduce operating costs while saving one of our customers' most valuable resources: time. In addition, we provide services for measurement, data collection and billing of all building ancillary costs through our state of the art data management centre.
Our range of products and services varies in the countries where we are represented. If you are interested in a particular product range and detailed specifications, you will find further information on our national websites. Please choose a country on the top of this page.
Base Service
Our Base Service covers all distributable cost types: heat, cold water, hot water, other operation costs (e.g. insurance, taxes). To determine the appropriate billing service and registering equipment for our customers, a detailed analysis of the property is carried out, including the supply and usage structure. All current changes, e.g. renovations, move ins/move outs, etc. are also included in the calculation. Together with our customers, we then determine the optimal technical fitting and services required. Important data changes, such as tenant, meter or billing period changes are continuously recorded and updated.
Equipment Service
To determine which devices are best suited to your requirements, we analyse for which utility the property is equipped and how the building is used. We then supply your property with the appropriate metering equipment - suited to your personal requirements and preferences. You have the choice between different appliance configurations, from a single-functional evaporator to a multifunctional remote controlled system. Whether you wish to equip your property, monitor the functionality and calibration of your meters or adapt the current fitting with construction changes, we can manage this for you - from the first planning, the installation, to the documentation of the equipment.
consumption data service
Our experienced readers register the complete consumption data to a pre-arranged appointment. This takes place either directly at the meter or outside the unit, depending on the type of technical installation. (e.g. Radio Reading). We read yearly, quarterly, monthly depending on your preferences. At the end of the period, we thorougly check the consistency and feasibility of the measured values.
Billing Service
Consumption-based billing ensures that the energy costs are allocated fairly. Accurate user- and consumption data are of course required. Before proceeding with the billing, we provide you with the billing documents so that you can update the cost and user data. In a next step, we calculate the costs to be distributed. The energy costs are strictly seperated into heating costs and hot water costs. Furthermore we adjust the nondistributable costs, e.g. maintenance costs.
Financing Service
We offer our customers the cost-effective and convenient solution of rent the measuring and allocation equipment needed for the reading and billing of energy consumption. We provide you with the necessary equipment and ensure optimal maintenance service throughout the full contract period. The renting rates are appropriately due at the beginning of each billing period. In certain countries, these can even be distributed further to the users, so that the costs are passed on within the scope of the regular billing.
For further questions or more information do not hesitate to contact one of our local offices.
Smoke Detector Service
Fire statistics state approx. 70,000 injured persons per year. They confirm the necessity of these little lifesavers. Some federal states in Germany have already reacted and introduced mandatory installation of smoke detectors. Whether mandatory or voluntary: offer your tenants a safe home. ista supports you with an extensive smoke detector service package.
Energy pass
What has been standard operating procedure with refrigerators and washing machines for a long time will now also come into effect for buildings. Pursuant to the EU directive 2002/91/EG, which defines the total energy efficiency of buildings, an energy pass has to be presented if requested to potential tenants/buyers in the EU member states when constructing, selling or renting a building. In Germany, the introduction of energy passes will become mandatory as of the second half of 2008.
Integrated Billing
The comfortable solution to process billings.
The interface between ista and real estate software makes the simple exchange of
data relevant for billing between customer and the metering service provider possible. In the long run cooperations with real estate
software companies will be extended.
Your advantages
- Our experts help determine the optimal technical and economical solution for your property
- First class technical measuring equipment and an extensive appliance range for every requirement
- Professional billings: you profit from our long term experience in managing several million billings annually
- We guarantee the complete organisation of the reading and a personal contact person in your ista branch
- You avoid with the financing service the once off high investment needed for the equipment purchase and as such remain liquid






