--- title: Installation error led to €7,000 in annual overcharges description: En feil i installasjonsøyeblikket førte til feilfakturering over tre år og kostet et selskap kr 80 000 årlig. image: https://discover.ainsite.io/hubfs/eduardo-alvarado-KS57fBc7DgM-unsplash.jpeg --- [![ainsite-logo](https://discover.ainsite.io/hubfs/ainsite-logo.svg)](https://www.ainsite.no/) [![ainsite-logo](https://discover.ainsite.io/hubfs/ainsite-logo.svg)](https://www.ainsite.no/) - [Solution](https://www.ainsite.io/en/solution) - [About us](https://www.ainsite.io/en/about) - [Latest](https://discover.ainsite.io/en) - [Contact](https://www.ainsite.io/en/contact) [Book meeting](https://book.ainsite.io/meetings/optimizing/your-energy?uuid=d9dcb8dd-a592-44a7-87eb-b25c84c6776f&hsLang=en) - [English](https://discover.ainsite.io/en/faulty-installation-led-to-7000-in-annual-overcharges) - [Norsk](https://discover.ainsite.io/no/installasjonsfeil-kostet-80-000-arlig) [Book meeting](https://book.ainsite.io/meetings/optimizing/your-energy?uuid=d9dcb8dd-a592-44a7-87eb-b25c84c6776f&hsLang=en) - [English](https://discover.ainsite.io/en/faulty-installation-led-to-7000-in-annual-overcharges) - [Norsk](https://discover.ainsite.io/no/installasjonsfeil-kostet-80-000-arlig) en ###### What can we help you with? Search [User stories](https://discover.ainsite.io/en/tag/user-stories) | 27. February, 2025 # Installation error led to €7,000 in annual overcharges ## A Norwegian real estate company had been billed incorrectly for over three years – simply due to an installation error in a thermal meter. By Petter Hessen ![Foto: Eduardo Alvarado, Unsplash](https://discover.ainsite.io/hubfs/eduardo-alvarado-KS57fBc7DgM-unsplash.jpeg) Foto: Eduardo Alvarado, Unsplash When Å Insite was brought in to collect data from all sub-meters for integration into the company’s energy management system, our quality control process uncovered a major discrepancy tied to a specific thermal meter. 🔗 Read more about [energy data and tenant billing](https://explore.ainsite.io/en/tenant-billing?hsLang=en). ## A hidden error costing thousands The meter was directly linked to the district heating provider and used to estimate energy consumption, forming the basis for billing. However, during installation, the temperature sensor was placed incorrectly. Additionally, an excessive amount of air in the pipe caused faulty readings, resulting in significantly inflated energy consumption figures. For three years, the real estate company was unknowingly overbilled. Given an average district heating cost of €0.07 per kWh, the error led to approximately €7,000 in unnecessary expenses per year. ## Fixing the issue and preventing future errors Once the error was detected, the configuration was corrected, ensuring the company now receives accurate invoices – thanks to our rigorous verification procedures during installation. 🔗 You can read more about our [verification process here](https://discover.ainsite.io/en/verification-how-we-eliminate-the-biggest-errors?hsLang=en).   [![CTA: Want control over your energy consumption?](https://hubspot-no-cache-eu1-prod.s3.amazonaws.com/cta/default/20037773/3e353907-8872-47e5-b21e-71be3f4e1205.png)](https://hubspot-cta-redirect-eu1-prod.s3.amazonaws.com/cta/redirect/20037773/3e353907-8872-47e5-b21e-71be3f4e1205) #### Related Articles ###### [![A misconfigured meter led to overbilling](https://discover.ainsite.io/hubfs/Bilder/Bilder%20av%20bygg/vlado-paunovic--KFsDgnDxC4-unsplash-1.jpg) User stories A misconfigured meter led to overbilling](https://discover.ainsite.io/en/a-misconfigured-meter-led-to-overbilling?hsLang=en) ###### [![Avoid stranded assets with better insights](https://discover.ainsite.io/hubfs/Bilder/Bilder%20av%20bygg/Gamle%20bilder%20(ogs%C3%A5%20aktive)/vlado-paunovic-unsplash.jpg) Energy data | Legislation Avoid stranded assets with better insights](https://discover.ainsite.io/en/avoid-stranded-assets-with-energy-data?hsLang=en) ### Are you, like us, above average interested in the potential that lies in energy data? 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