Solutions for intelligent energy analysis, remote system management and data-driven optimization.
Intelligent Energy Management for Buildings & Sites
Building and energy data, scenario analysis and remote system operations.
Utility Consumption & Cost Management
Meter readings, consumption and costs across locations.
Meter readings, bills and device data
Consumption and cost analytics
Renovation scenarios with clear assumptions
Recommendations with their assumptions
Device health, network quality and alerts
Predicted versus measured results
Scenarios, reports and clear assumptions.
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. EnergyOS helps buildings and sites analyze energy performance, monitor connected systems and continuously improve operations. UtilityControl tracks utility readings, bills, consumption and costs across locations.
EnergyOS is the QLines product for intelligent energy management in buildings and sites. It starts with the analysis of your building and energy data, then monitors connected devices and energy systems, and compares predicted with measured results. 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 EnergyOS projects, integrations or partnerships, 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.
Tell us which data, devices or decisions you want to improve.
