(212) 684-2557 · (212) 447-6360
The unit runs but the room stays warm — typically a refrigerant, compressor or airflow fault.
Heat-pump or gas heat that won't come on when the season turns.
Clogged filters, a failing blower or blocked coils choking the unit.
Rattling, buzzing or grinding that keeps tenants and hotel guests up at night.
Dripping or a frozen coil — worth fixing before it damages the wall below.
Unresponsive buttons, failed thermostats, units that ignore their settings.
One unit or a whole building — call and we'll get it running or quote a clean replacement.