Field notes from the FrostLogic team

What we learn building AI for the real world.

Short, technical, opinionated. The patterns, anti-patterns, and post-mortems behind Sensor Intelligence and applied AI for buildings — written by the people doing the work.

The archive36 articles
White and blue glass-walled commercial office building exterior

Energy Benchmarking for Commercial Buildings: Portfolio Manager and What Comes After

Energy benchmarking scores buildings via ENERGY STAR Portfolio Manager: what it means, why ordinances require it, and what energy benchmarking services miss.

Aug 6, 20269 min read
Rows of electrical switchgear and breaker panels in a commercial building electrical room, the metering layer AI energy management tools read from

The best AI energy management tools in 2026

A vendor's honest comparison of AI energy management tools for buildings: FrostLogic Explore, BrainBox AI, Schneider EcoStruxure, C3 AI, Verdigris, Kiona.

Aug 5, 202610 min read
Rooftop chiller units on a commercial building, the kind of plant a condition monitoring programme watches for early signs of degradation

Condition monitoring for buildings: what it is and how it works

Condition monitoring for buildings explained: which sensor signals reveal asset condition, how it differs from predictive maintenance and FDD, where to start.

Aug 4, 20269 min read
Mechanical room pipework and equipment in a commercial building, the kind of plant predictive maintenance software watches for early failure signs

The best predictive maintenance software for buildings in 2026, compared

FrostLogic Explore, Clockworks Analytics, Facilio and CopperTree Analytics ranked for predictive maintenance software in buildings, honest tradeoffs included.

Aug 3, 202610 min read
a close-up of a control panel

Virtual sensors for buildings: fill the data gaps without new hardware

A virtual sensor derives a metric from the sensors you already have — closing data gaps without new hardware. How they work and where they fit.

Aug 2, 20266 min read
Industrial plant with smoke billowing from chimneys, representing a district heating / combined heat and power plant

District heating optimization with sensor AI: a Nordic operator's view

District heating is the Nordic cost driver most building AI ignores. Substation signals, heat-demand forecasting, and where the real savings are.

Aug 1, 20267 min read
Workers inside a cleanroom manufacturing environment with protective equipment and visible production machinery

Healthcare facilities: critical-equipment monitoring and compliance

Critical-equipment monitoring, continuous compliance, and EU data residency for hospital and life-science estates — built on the sensors you have.

Jul 31, 20267 min read
Industrial robotic arms on an automated manufacturing line

Industrial Sensor Intelligence Platforms in 2026: 4 Compared

FrostLogic Explore, Augury, Senseye and SKF Enlight AI compared for industrial sensor intelligence: explainable actions, portfolio-wide insight, EU-hosted data.

Jul 30, 20269 min read
Grid substation infrastructure, photo by American Public Power Association

Energy & utilities: anomaly detection and demand forecasting for grid operators

Confidence-bounded demand forecasting and anomaly detection for energy and utility operators — including live grid carbon intensity for the Nordics.

Jul 29, 20267 min read
Server rack in a dark data center room

Schneider EcoStruxure Building Operation: Adding an Analytics Layer

Layer vendor-agnostic anomaly detection, forecasting, and compliance on top of Schneider EcoStruxure Building Operation, across mixed-BMS estates. No lock-in.

Jul 27, 20267 min read
Building automation control room with a monitoring workstation

Siemens Desigo Analytics Integration: Turn Your BMS Into a Decision Queue

How to add analytics on top of Siemens Desigo, read-only over BACnet or OPC UA, without touching control. Detection, forecasting, one ranked queue.

Jul 27, 20267 min read
interior of large industrial factory

Predictive Maintenance in Manufacturing With AI

Turn PLC, SCADA, and OPC UA telemetry into a ranked queue of maintenance actions. How physics-aware AI cuts unplanned downtime on the line.

Jul 25, 20266 min read
Row of rooftop HVAC units being checked during building commissioning

Building Commissioning, Retro-Commissioning and MBCx: An Owner's Guide

What is building commissioning? A ladder from new-build Cx through retro-commissioning to MBCx, and why continuous verification is where it ends up.

Jul 24, 20267 min read
Two people in hard hats reviewing a commercial building energy audit report over blueprints

Commercial Building Energy Audits: ASHRAE Levels 1, 2 and 3, Costs, and What Comes After

A commercial building energy audit shows where a property wastes energy on inspection day. What ASHRAE Levels 1-3 cost, cover, and what to do between audits.

Jul 24, 20267 min read
Digital Twin vs Sensor Intelligence for Buildings

Digital Twin vs Sensor Intelligence for Buildings

Digital twin vs sensor intelligence: do you need a full building model, or just better decisions from your sensors? A comparison of cost and effort.

Jul 23, 20267 min read
a close-up of a control panel

Building Automation Systems: Software, Controls and Vendors Explained

Building automation systems, decoded: what BAS software actually does, the vendors behind it, and how to get ranked analytics without replacing what's installed.

Jul 22, 20267 min read
Technician adjusting components in a building automation control cabinet

Fault Detection in Building Automation: Why FDD Keeps Failing

Fault detection in building automation looks simple until sensor drift, missing point context and alarm fatigue turn FDD into noise nobody trusts.

Jul 22, 20267 min read
Smart Building Sensor Data Analysis: Fixing the Failures

Smart Building Sensor Data Analysis: Fixing the Failures

Most smart building analytics fail on data, not the model. The five sensor data failure modes, their root causes, and the fixes that hold, in order.

Jul 22, 20267 min read
BACnet vs Modbus vs OPC UA: a building integrator's guide

BACnet vs Modbus vs OPC UA: a building integrator's guide

BACnet, Modbus and OPC UA differ on semantics, security and analytics-readiness. This guide compares all three, plus where the newer oBIX protocol fits.

Jul 20, 20268 min read
BMS and meter data flowing through a compliance monitoring layer that flags a control fault and files timestamped evidence for the audit

Continuous Compliance Monitoring for Buildings (2026)

Buildings drift out of compliance long before anyone notices. How continuous monitoring catches the faults early and keeps the audit evidence ready.

Jul 18, 20266 min read
Diagram of a building's BMS and meter data flowing into an analytics layer that outputs a ranked queue of priced energy waste findings

Energy Waste Detection: What Your BMS Won't Tell You

Most energy waste never trips a BMS alarm. How analytics on data your building already collects finds waste, prices it, and ranks what to fix first.

Jul 16, 20266 min read
Ranked comparison of four BMS analytics platforms showing core focus, data scope, output type and EU hosting side by side

Best BMS Analytics Platforms in 2026: 4 Tools Compared

Four BMS analytics platforms ranked for 2026. What Clockworks, Facilio, BrainBox AI and FrostLogic Explore each do best, with numbers from their own materials.

Jul 15, 20268 min read
A prioritised decision queue ranking faults and energy drifts across a building portfolio, with the sensor readings behind each recommendation attached as evidence

How to Choose Sensor Intelligence Solutions (2026)

Six criteria that separate real sensor intelligence solutions from dashboards with better graphics. An evaluation guide for facility and energy managers.

Jul 7, 20269 min read
Sensor data flowing from a building's energy meters and HVAC plant into a timestamped, auditable CSRD scope 2 emissions record, replacing a single annual estimate

CSRD for Buildings: Continuous Data, Not Annual Snapshots

CSRD is pulling building ESG reporting from annual estimates to measured, auditable data. What the directive expects and how sensor data delivers it.

Jun 27, 20269 min read
A prioritised maintenance queue on one screen, ranking a chiller efficiency drift and an AHU fan bearing fault above lower-risk alerts, with the sensor trends that triggered each

Predictive Maintenance for Buildings: See Failures Coming

Most equipment failures show up in HVAC and plant data days ahead. What predictive maintenance actually needs, and why most programmes stall.

Jun 22, 20269 min read
Decision checklist mapping a non-residential building's HVAC rated output against the EPBD 290 kW BACS threshold, with sensor data feeding continuous energy monitoring and fault detection

EPBD 2026: New Building Automation (BACS) Rules Explained

The EPBD now requires automated controls for buildings over 290 kW. Who it applies to, what a compliant BACS must do, and how to close the gap.

Jun 18, 20269 min read
Comparison matrix of four smart building AI platforms showing core focus, compliance support, data ownership, and EU hosting side by side

Smart Building AI Platforms Compared (2026): An Honest Guide

A comparison of the leading smart building AI platforms, including where each competitor beats FrostLogic. For buyers shortlisting vendors in 2026.

Jun 12, 20268 min read
Weather-adjusted energy baseline chart for a commercial building, with an AI-flagged drift deviation highlighted months before the annual review would have caught it

Building energy optimization with AI: where the real savings are

AI finds energy savings that rule-based systems miss. Learn where the real opportunities are in commercial buildings — and how to capture them.

Jun 4, 20267 min read
AI anomaly detection buildings

How AI anomaly detection works in building sensor data

How does AI detect real anomalies in building sensor data without drowning you in false alarms? Six methods, severity scoring, and causal filtering explained.

May 31, 20267 min read
A facility manager reviewing a prioritized queue of building anomalies on a single screen, with sensor maps, forecasts, and compliance status grouped by severity.

Smart Building AI: A Buyer's Guide (2026)

Evaluating smart building AI? The five capabilities worth paying for and the questions that expose a chatbot in a wrapper. From a team that builds one.

May 26, 202614 min read
Compliance tracking dashboard mapping live sensor data to BREEAM, LEED, and Nordic Swan criteria with real-time breach alerts and audit-ready evidence

Compliance tracking for green buildings: automate BREEAM, LEED, and Nordic Swan with sensor data

Automate green building certification with continuous sensor data. Real-time compliance tracking for BREEAM, LEED, and Nordic Swan -- no more audit scrambles.

May 17, 202610 min read
Multi-horizon sensor forecast dashboard showing energy demand, comfort trajectory, and confidence bands across 24-hour and 7-day windows

Sensor forecasting for buildings: predict energy, comfort, and equipment behavior

Predict energy demand, comfort issues, and equipment failures from your building sensors. See how AI forecasting with confidence bounds works in practice.

May 13, 20268 min read
Building insights: what your BMS data is trying to tell you

Building insights: what your BMS data is trying to tell you

Your building generates thousands of data points per hour. Here are 5 insights hiding in your sensor data — and how to act on them.

May 11, 20267 min read
Your building AI is only as good as the data it trusts

Your building AI is only as good as the data it trusts

AI in buildings fails when sensors lie. Drift, stuck values, and missing data undermine every insight. How a physics-aware AI layer validates its own inputs.

May 10, 20265 min read
Dashboard showing criteria status and expiring documents for Schneider Electric London, with alerts for overdue and upcoming deadlines.

ESG Reporting Needs Continuous Sensor Data, Not Annual Snapshots

Green building certifications define the standard. Continuous sensor data proves you're meeting it. How real-time building analytics makes ESG reporting credible.

May 1, 20265 min read

What's your building not telling you?

Tell us what you're trying to figure out: energy drift, a BMS you don't trust, compliance you're chasing. We listen first, then tell you straight whether Explore helps. 30 or 60 minutes, your pick. No commitment either way.