diff --git a/README.md b/README.md
index 5db4c0c..86d5a04 100644
--- a/README.md
+++ b/README.md
@@ -158,3 +158,4 @@ Possible values for an I2C component's subcomponents' `sensorType` field:
 - "lux"
 - "eco2"
 - "unitless-percent"
+- "tvoc"
diff --git a/components/i2c/schema.json b/components/i2c/schema.json
index 7e52ed5..d573bdc 100644
--- a/components/i2c/schema.json
+++ b/components/i2c/schema.json
@@ -5,7 +5,7 @@
   "$defs": {
     "subcomponent": {
       "type": ["string", "object"],
-      "pattern": "^(unspecified|accelerometer|magnetic-field|orientation|gyroscope|light|pressure|proximity|gravity|acceleration|rotation|humidity|ambient-temp|object-temp|voltage|current|color|raw|pm10-std|pm25-std|pm100-std|pm10-env|pm25-env|pm100-env|co2|gas-resistance|altitude|lux|eco2|unitless-percent|ambient-temp-fahrenheit|object-temp-fahrenheit|voc-index|nox-index)$",
+      "pattern": "^(unspecified|accelerometer|magnetic-field|orientation|gyroscope|light|pressure|proximity|gravity|acceleration|rotation|humidity|ambient-temp|object-temp|voltage|current|color|raw|pm10-std|pm25-std|pm100-std|pm10-env|pm25-env|pm100-env|co2|gas-resistance|altitude|lux|eco2|unitless-percent|ambient-temp-fahrenheit|object-temp-fahrenheit|voc-index|nox-index|tvoc)$",
       "required": [ "displayName", "sensorType" ],
       "additionalProperties": false,
       "properties": {
@@ -24,7 +24,7 @@
         "sensorType": {
           "description": "One of the supported I2C sensor type strings (found in README).",
           "type": "string",
-          "pattern": "^(unspecified|accelerometer|magnetic-field|orientation|gyroscope|light|pressure|proximity|gravity|acceleration|rotation|humidity|ambient-temp|object-temp|voltage|current|color|raw|pm10-std|pm25-std|pm100-std|pm10-env|pm25-env|pm100-env|co2|gas-resistance|altitude|lux|eco2|unitless-percent|ambient-temp-fahrenheit|object-temp-fahrenheit|voc-index|nox-index)$"
+          "pattern": "^(unspecified|accelerometer|magnetic-field|orientation|gyroscope|light|pressure|proximity|gravity|acceleration|rotation|humidity|ambient-temp|object-temp|voltage|current|color|raw|pm10-std|pm25-std|pm100-std|pm10-env|pm25-env|pm100-env|co2|gas-resistance|altitude|lux|eco2|unitless-percent|ambient-temp-fahrenheit|object-temp-fahrenheit|voc-index|nox-index|tvoc)$"
         },
         "defaultPeriod": {
           "description": "What period to the form should default to for this sensor.",
diff --git a/components/sensors.json b/components/sensors.json
index c90496f..ad3fb0b 100644
--- a/components/sensors.json
+++ b/components/sensors.json
@@ -130,5 +130,9 @@
   "nox-index": {
     "displayName": "Nitrogen Oxides Index",
     "defaultPeriod": 900
+  },
+  "tvoc": {
+    "displayName": "Total Volatile Organic Compounds",
+    "defaultPeriod": 900
   }
 }