Predictive HVAC Monitoring
LoggerFlex HVAC monitoring uses EDGE and BLOCK loggers to track supply and return temperatures with probes from -55 °C to +125 °C (-67 °F to +257 °F) and compressor or fan current with a 0.2 to 30 A CT clamp, sending phone call, SMS and email alarms before a fault becomes a callback.
Detect early signs of equipment failure, reduce downtime, and extend asset life through data-driven insight.
Zone Temp
21.4°C (70.5 °F)
System Efficiency
98.2%
The IoT soul inside equipment makers worldwide
Why LoggerFlex?
IoT for Buildings designed for rapid deployment, unbreakable reliability, and actionable insight.
No Gateway Required
Devices connect directly to WiFi or cellular networks for fast and easy installation.
Instant Alerts
Get instant phone calls, text messages, and emails for leaks, pressure drops, or temperature spikes.
One Platform
Manage all client sites, devices, alarms, reports, and users from a single simple app.
Actionable Insight
Detect anomalies and equipment failures early with predictive maintenance and automated analytics.
Share Securely
Share live system status and reports with your technicians and facility managers securely.
Remote Access
Monitor fields, greenhouses, barns, and storage facilities from any device worldwide.
Scales Instantly
Grow from monitoring a single fridge to a full building automation system without changes.
Predictive Maintenance
Prevent expensive failures by detecting early signs of trouble with simple, cost-effective sensors.
Featured Hardware
Industrial-grade sensors for climate control and mechanical systems.
BLOCK Current
Electrical current & temperature for motors, compressors, and HVAC. Identify abnormal load patterns and energy waste.
- 0.1 to 30 A (non-invasive)
- Predictive motor health
- Short cycling & belt breakage detection
EDGE Thermo
Ambient temperature, RH, and mold index tracking for predictive facility maintenance.
Modbus Gateway
Bridge any standard 4-20mA or Modbus sensor directly to the LF Cloud.
Cellular Water Meter
Track building water use with a daily report and leak alarms, over built-in 4G with no WiFi or gateway.
BLOCK Differential
Being retiredDifferential air pressure for cleanrooms, ventilation verification, and HEPA filter status.
BLOCK Pulse
Being retiredUtility sub-metering for gas, water & electricity. Cumulative pulse counting with anomaly detection and freeze risk alerts.
BLOCK Pressure (Fluid)
Fluid pressure & temperature monitoring for HVAC loops, plumbing, and tanks. Detect leaks and verify pump head pressure.
Comprehensive Applications
From predictive motor health to critical cleanroom monitoring, discover how LoggerFlex monitors every vital element of your HVAC facility.
Motor & Compressor Protection
- Monitor for high current draw to prevent burnout in compressors and motors.
- Track gradual increases in power consumption to identify wearing bearings before failure.
- Identify rapid on/off cycling that damages equipment and increases energy costs.
- Detect sudden drops in current that indicate broken belts or coupling failures.
Pressure & Flow Monitoring
- Verify pump discharge pressure to ensure proper flow rates and catch impeller wear.
- Monitor critical pressure in refrigerant loops, fire extinguishers, and sprinkler lines.
- Notify when pressure spikes due to dirty condenser coils or fan failures.
- Detect pressure changes indicating clogged liquid filters or measure hydrostatic pressure for tank levels.
Cleanroom & Isolation Safety
- Ensure critical environments like hospital isolation rooms maintain correct negative/positive pressure.
- Monitor airflow resistance across HEPA filters to detect clogging early.
- Verify that fans and blowers are actually moving air, not just spinning.
- Receive instant alarms if containment conditions are breached.
Ventilation & Air Quality
- Detect dangerous CO₂ buildup instantly to prevent occupational hazards.
- Monitor CO₂ levels to optimize smart ventilation control and balance energy use.
- Verify air exchange efficiency using real CO₂ load data.
- Identify harmful exhaust gas or CO₂ intrusion from heaters or generators.
Water & Facilities Tracking
- Measure and analyze water consumption to reduce waste and operating costs.
- Identify hidden leaks and unusual water consumption patterns.
- Monitor ambient temperature to reduce pipe freezing and rupture risk.
Third-Party Integration
- Connect any 4-20mA or Modbus sensor directly to the cloud.
- Power external sensors and read their data using our battery-powered wireless bridge.
- Unify specialized environmental safety sensors (Radon, NO2, Ozone) into a single platform.
Trend-Based Predictive Maintenance
Trend drift detection compares sensor patterns against their own history to flag equipment heading toward failure. Industry example: up to 75% less downtime and 35% longer equipment life (not a measured LoggerFlex result).
Trend Analysis
Trend drift detection compares scheduled data with each unit's own history to detect gradual degradation.
Drift Detection
Monitors subtle shifts in current draw, refrigerant pressure drift (pressure sensor on the line) and temperature; bearing vibration comes with the upcoming EDGE Multi.
Early Warning Alerts
Actionable alerts with context — not just threshold alarms.
75%*
Fewer Breakdowns
25%*
Lower Energy Costs
35%*
Longer Equipment Life
3 wk*
Early Warning Lead
*Industry examples, not measured LoggerFlex results.
Recommended Catalogs
BLOCK Current
EDGE Multi comingElectrical current & temperature monitoring for motors and compressors.
View DetailsBLOCK Pressure
EDGE Multi comingFluid pressure & temperature for HVAC, plumbing, and tanks.
View DetailsEDGE Thermo / Mold Index
Ambient temperature, RH, and mold index for predictive maintenance.
View DetailsModbus Gateway
Connect any standard 4-20mA or Modbus sensor directly to the cloud.
View DetailsCellular Water Meter
Ultrasonic meter with built-in 4G: a daily water-use report with leak alarms.
View DetailsBLOCK Differential
Being retiredDifferential air pressure for cleanrooms, ventilation, and filter status.
View DetailsBLOCK Pulse
Being retiredUtility sub-metering for gas, water, and electricity usage tracking and anomaly detection.
View DetailsFrequently asked questions
Can LoggerFlex sensors integrate with our existing BMS or building automation system?
Yes. Our Modbus Gateway bridges any standard Modbus RTU/TCP equipment into the LoggerFlex Cloud, and EDGE devices push data over WiFi or cellular LTE, so you can layer automated monitoring with instant alarms on top of an existing BMS without ripping out hardware.
How does predictive maintenance reduce HVAC downtime?
Continuous current, temperature and pressure logging lets trend drift detection flag gradual change and abnormal readings before a unit fails. Maintenance teams receive early alerts and can schedule service proactively instead of reacting to emergency breakdowns.
What parameters can I monitor for heat pumps and rooftop units?
You can monitor electrical current draw, supply and return air temperature, relative humidity, differential air pressure across filters and coils, fluid pressure, and water consumption — all from a single cloud dashboard with configurable alarm thresholds.
Are LoggerFlex HVAC sensors suitable for OEM and white-label integration?
Absolutely. LoggerFlex is a prime OEM partner for heat-pump and HVAC manufacturers, offering white-label hardware, custom firmware, and a brandable cloud platform so you can ship connected monitoring under your own name.
OEM / custom version available
Make your product smart — without building an IoT team.
If you build equipment, we put the IoT soul inside it — hardware, firmware, global connectivity, cloud, alarms and compliance, shipped as a finished product under your brand.
Guides
- Integrations: API, webhooks, ModbusPull readings with the LF Cloud REST API, push them by webhook to a BMS or SCADA, and bring Modbus and M-Bus equipment in.Read the guide
- How HVAC Contractors Use Remote Monitoring to Kill Emergency CallbacksHVAC remote monitoring tracks current, pressure and temperature to flag failures days early. Cut emergency callbacks and weekend truck rolls.Read the guide
- Electrical Load Monitoring: Find Hidden Energy Waste with Current ClampsElectrical load monitoring with CT clamps reveals energy waste circuit by circuit and catches costly peak-demand spikes. Turn audits into one-click reports.Read the guide
- System Safeguards: How Differential Pressure Monitoring Protects Your Equipment!Differential pressure is a leading indicator for filter blockage and duct issues. Protect your HVAC investment with continuous monitoring.Read the guide