The coil valve is closed but the discharge air is still well away from the zone temperature.
The coil valve is closed but the discharge air is still well away from the zone temperature.
A leaking valve heats or cools the space with no call — energy waste and the classic 'always too warm' room.
Stroke the valve and check it seats; replace the actuator or valve if it cannot close.
How Energy Agent prices a finding
Screening-level estimates; confirm with measurement and verification before capital commitment.
The fan runs unoccupied with the valve closed, or the valve opens while the fan is off.
Both the heating and cooling valves of a fan-coil are open at once.
CO₂ is far below the demand-control setpoint while the outdoor-air damper is wide open.
CO₂ stays above the comfort / code limit while the space is occupied.
Send twelve months of interval data and a BAS trend export. Energy Agent returns a ranked list of what is wasting money, what each item is worth per year at your tariff, and what to do about it.
