Both UDG4 and UWG4 provide energy-use readouts on the thermostat.
On both the UDG4-4999 nSpire Touch and UWG4-4999 nSpire Touch WiFi, open Menu → Energy Use to view the thermostat’s history. Use the arrows to move between:
- Last 24 hours: heating minutes per hour.
- Last 7 days: heating hours per day.
- Last 12 months: heating hours per month.
- Energy Use Data: calculated electricity consumption and heating cost for those periods.
The floor-load setting is used to calculate energy use, and the price per kWh is set under User Settings → Energy Tariff. Check those inputs before relying on the cost estimate.
The non-WiFi model provides these readouts locally. The WiFi model also provides them on its own screen; the manuals do not specify a guaranteed daily cloud-upload cadence, cloud retention period or backup/restore service. Do not treat the display history as a guaranteed cloud backup.
Sources: UDG4 user manual (Floor Load and Energy Use) and UWG4 user manual (Floor Load, Energy Use and Energy Tariff).
