Solutions for intelligent energy analysis, remote system management and data-driven optimization.
Energy Intelligence, Optimization & Remote Management
Building and energy data, scenario analysis and remote system operations.
Utility Data Management & Consumption Analytics
Meter readings, consumption and costs across locations.
EnergyOS, our product for energy management, has its own sign-in and free plan: EnergyOS plans · EnergyOS
Meter readings, bills and device data
Consumption and cost analytics
Renovation scenarios with clear assumptions
Expert-reviewed recommendations
Device health, network quality and alerts
Predicted versus measured results
Scenarios, reports and expert review.
Paths for consultants →Telemetry, diagnostics and fleet operations.
Paths for utilities and operators →Consumption across buildings, then deeper optimization.
Paths for property managers →Digital energy consulting with SigmaEnergie, engineering expertise from Cedroswan.
Energy consulting for homeowners and buildings in Bavaria.
Visit sigmaenergie.de →
Independent energy consulting for commercial and residential buildings: energy-efficient renovation, heat pump projects, hydraulic balancing and individual renovation roadmaps.
Visit cedroswan.com →Guides, calculators and the PV and heat pump guide.
10 proven strategies property managers use to cut utility costs, from bill auditing to early leak detection.
A case study in how systematic weekly tracking caught a slab leak that monthly meter reading had missed for months.
Utility bills often contain errors. Learn how to catch billing mistakes and recover overpayments.
View All Blog Articles → · Free energy calculators → · PV & heat pump guide →
QLines develops intelligent energy solutions in Cologne, Germany: QLines Energy Intelligence and EnergyOS for energy analysis and management, and UtilityControl for utility data management and consumption analytics.
EnergyOS is the QLines product for energy management. It starts with the analysis of your energy data and the management of your energy use, and then connects your IoT and SmartHome devices. It has its own sign-in and a free plan.
EnergyOS and UtilityControl each have a free plan and are open for sign-up, no credit card required. For Energy Intelligence projects, request a meeting.
Yes. The free UtilityControl plan includes 1 location, 3 meters per location, 50 meter readings, and 3 bill uploads per month. It has no time limit and needs no credit card. Paid plans add locations, meters, readings and bill uploads. EnergyOS has its own free plan and its own account. UtilityControl is available in the browser, on iOS and soon on Android.
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