Whether you have technical questions, account settings or an overview of functions - you'll find everything you need here. And if something is unclear: we'll show you how to do it - straightforward and to the point.
Your bill is sent via email each month. You can also check your invoices by logging into our customer portal.
Customers can conveniently make payments through our secure online payment gateway, ensuring fast, seamless, and protected transactions, or via bank transfers where applicable.
Yes, you can pay your bill online via our website’s payment portal. Simply log in, click on quick pay, enter your account details, and proceed with the payment.
Late payments may result in penalties or service disruptions. If you’re facing difficulties making a payment, please contact our support team to discuss possible solutions.
Your consumption is measured using BTU meters installed in your unit. These meters track the amount of chilled water used for cooling, and your bill is based on actual usage.
ista uses advanced BTU metering technology to accurately measure your cooling energy consumption. These meters are installed in your unit and automatically record usage.
You can access your consumption details through our online portal. This allows you to track your monthly usage and manage your energy consumption efficiently.
If you notice any discrepancies in your bill, please contact our customer support team. We will review your meter readings and billing records to resolve any issues.
A BTU (British Thermal Unit) meter measures the amount of thermal energy consumed by your cooling system. It calculates energy usage based on the temperature difference between the inlet and outlet of chilled water.
Your bill depends on your cooling consumption, which can change based on factors such as outdoor temperatures, thermostat settings, and occupancy levels.
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Registration can be completed either online or with the assistance of our customer service team.
