Solutions for intelligent energy analysis, remote system management and data-driven optimization.
Building data, meter readings and device data all flow into QLines. EnergyOS plans, monitors and optimizes. UtilityControl tracks consumption and bills.
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 arrive at different times and in different formats.
Readings become monthly consumption and cost. Winter heating dominates the year.
Four options for the same house, each with its yearly energy cost.
The recommendation shows its assumptions, so you can check them.
Once installed, devices report their health and network quality. Problems raise an alert.
Measured results are compared with the forecast. Deviations are explained and fixed.
Energy consultants and building engineers
Utilities and device operators
Property and facility managers
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 →Enter your yearly cost to see a range.
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 for buildings and sites, and UtilityControl for utility readings and bills.
EnergyOS analyzes your building data, monitors connected devices and energy systems, and compares predicted with measured performance.
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. UtilityControl's free plan has 1 location, 3 meters per location, 50 meter readings and 3 bill uploads a month, with no time limit. EnergyOS has its own free plan.
Tell us which data, devices or decisions you want to improve.
