diff --git a/esphome/components/smt100/sensor.py b/esphome/components/smt100/sensor.py
index 7ba7da801c..dae98bc189 100644
--- a/esphome/components/smt100/sensor.py
+++ b/esphome/components/smt100/sensor.py
@@ -83,22 +83,9 @@ async def to_code(config: ConfigType) -> None:
     await cg.register_component(var, config)
     await uart.register_uart_device(var, config)
 
-    if CONF_COUNTS in config:
-        sens = await sensor.new_sensor(config[CONF_COUNTS])
-        cg.add(var.set_counts_sensor(sens))
-
-    if CONF_PERMITTIVITY in config:
-        sens = await sensor.new_sensor(config[CONF_PERMITTIVITY])
-        cg.add(var.set_permittivity_sensor(sens))
-
-    if CONF_TEMPERATURE in config:
-        sens = await sensor.new_sensor(config[CONF_TEMPERATURE])
-        cg.add(var.set_temperature_sensor(sens))
-
-    if CONF_MOISTURE in config:
-        sens = await sensor.new_sensor(config[CONF_MOISTURE])
-        cg.add(var.set_moisture_sensor(sens))
-
-    if CONF_VOLTAGE in config:
-        sens = await sensor.new_sensor(config[CONF_VOLTAGE])
-        cg.add(var.set_voltage_sensor(sens))
+    sensors = sensor.sub_sensors(config)
+    await sensors(CONF_COUNTS, var.set_counts_sensor)
+    await sensors(CONF_PERMITTIVITY, var.set_permittivity_sensor)
+    await sensors(CONF_TEMPERATURE, var.set_temperature_sensor)
+    await sensors(CONF_MOISTURE, var.set_moisture_sensor)
+    await sensors(CONF_VOLTAGE, var.set_voltage_sensor)