Schedules & occupancy
Find plant starting too early, stopping too late, running at weekends or operating outside agreed occupied hours.
Health-check evidence
What the first review should prove or rule out
A useful BMS health check should make the building easier to understand before anyone starts changing strategies. The review looks for practical, evidence-led issues rather than unsupported savings claims.
Setpoints & sensors
Compare commanded setpoints, actual values and user complaints to identify possible calibration, location or control-loop issues.
Alarms & trends
Separate nuisance alarms from useful faults and check whether trend data is good enough to support decisions.
Meter and baseline checks
Where meter data is available, compare daily use against occupancy, weather and plant runtime so waste is easier to explain.
BMS health check
BMS health check & site review
A practical review of how the building automation system is really operating — before you spend money on major upgrades, graphics rebuilds or extra controls work.
What I check
- Schedules, optimiser settings and out-of-hours plant operation.
- Heating and cooling setpoints, deadbands, overrides and frost logic.
- Alarm quality, repeat alarms, disabled alarms and missing useful alarms.
- Trend evidence for fans, valves, dampers, temperatures, pressures and enables.
- Graphics, navigation and whether operators can fault-find quickly.
- Controller, network and integration issues that may affect reliability.
Output
A clear action list: quick wins, risks, recommended changes, possible larger works and any evidence needed before claiming savings.
Useful before upgrades
Good for deciding whether the existing BMS can be improved, whether graphics need rebuilding, or whether controller/network upgrades are justified.
Honest limits
A health check is not a statutory inspection, safety certification or guarantee of savings. It is a practical engineering review based on the information available.
Optional LoRaWAN sensor layer
For health, comfort and energy checks, wireless LoRaWAN sensors can be added where the existing BMS does not have enough readings. This can reduce wiring cost and give stronger evidence for problem areas, especially when building a 12-month report.
- Temperature, humidity and CO₂ evidence for occupied spaces.
- Occupancy and plant-status evidence to compare building use against plant runtime.
- Area-by-area findings that can be ranked high, medium and low risk.
What to send first
- Site name, location and main plant types.
- BMS platform, supervisor/front-end screenshots and controller types if known.
- Main concern: energy, comfort, alarms, graphics, reliability or handover.
- Any existing trend logs, meter readings, alarm exports or reports.
Controlled testing option
Start with one item of plant before changing the whole building.
A health check can include a controlled monitoring stage for one AHU, boiler system, floor or tenant zone. This helps prove timeclock, calibration, setpoint and comfort issues before wider software changes are requested.
24/7 first-week trends
Plant enable, temperatures, valves, fans, overrides, alarms and meter readings where available.
Drawings and site folders
Electronic drawings are preferred, but paper O&Ms, panel drawings and BMS points lists can also be used.
Report to action
Clear findings for the landlord, FM team, energy consultant and BMS maintenance provider to discuss.