Frequently Asked Questions and Answers
- Why do residents have to pay for their water consumption?
- What are the residents' advantages with regard to measuring individual consumption?
- If the RUBS method is used: Why aren't meters installed?
- Will a resident's bill be more expensive because the community uses a billing service?
- Will residents be disturbed by meter readings?
- When will residents receive their bill?
- What energy saving solutions are available?
- Who should I contact if I have any questions about my energy bill as provided by ista?
- What payment options are available?
- Who do I inform about my move-in or move-out?
- Why do meters have to be installed at all?
- What are electronic heat allocation meters?
- What are heat meters?
- What are water meters?
- Can I work out how much my heating bill will be from the meter readings?
- Can the consumption figures for different years be compared with each other?
- Does ista need to enter my apartment?
- What happens when there is a change of tenant?
- What happens if the meters in my apartment were not read or could not be read?

