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Here we put together the most significant questions and answers for you. Please check the sections below to see if your question is listed.
What should I do if the radiator control valve is defective?
What happens if the meter(s) in my home are not read?
What do I do if my radiator remains warm after I close the valve?
What should I do if my radiator doesn't heat up when it's turned on?
What does ista Nederland do?
Why are there heat cost allocators on the radiators?
What should I do if one of the heat cost allocators is defective?
What should I do if I want to install/replace/remove a radiator?
What is a conversion factor?
I have received my bill. When will the difference be settled?
I used less (or a similar number of) units than last year, but my bill is higher. Why is this?
Has my move been taken into account in the bill?
Can I use my meter readings to calculate future payments?
The consumption on my bill differs from the total of the settings on my electronic doprimo-meters. Why is this?
How do I get insight into my consumption during the heating season?
How is the price per heat unit determined?
Why are reductions applied?
I'm moving out. When will I receive my bill?
Are the ista Nederland metering systems smart meters?
Does ista Nederland need to visit my home once a year to read the meters?
How do I know when my meters have been read?
Do the radio readable meters affect the operation of other technical devices, such as hearing aids, pacemakers and television sets?
Why are some radiators fitted with two heat cost allocators?
If two heat cost allocators are installed on one radiator, does this lead to overcharging due to the over-recording of units?
Are radio readable meters harmful to residents’ health?
Have the meters been tested?
How are the doprimo® 3 radio meter readings protected during transmission?
Who is authorised to read doprimo® 3 radio meters?
Does the sun influence the electronic radiator meter’s recordings?
The meter is recording while I don't use the radiator. Why is that?
How does the electronic radiator meter work?
How often are the doprimo® 3 radio readable meters read?
Are the meters calibrated?
The electronic meter records many more units than the evaporative meter. Does this mean I’m being charged more?
Can I also pay by direct debit?
Has my payment arrived?
When will I receive my annual statement?
How is the amount of the advance payment determined?
Can I adjust the amount of my advance payment?
Can you debit my advance payment amount on a different date?
How are the paid advance amounts settled?
Where can I view my data?
I've received a reminder from you, but I've already paid. Why is this?
How can I change my bank account number?
I am due a repayment. When will I receive this in my account?
What does the Debicasso service entail?
Reporting a death
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