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diff --git a/thermal/virtualtemp_estimator/virtualtemp_estimator.h b/thermal/virtualtemp_estimator/virtualtemp_estimator.h
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+++ b/thermal/virtualtemp_estimator/virtualtemp_estimator.h
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+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#pragma once
+
+#include <vector>
+
+#include "virtualtemp_estimator_data.h"
+
+namespace thermal {
+namespace vtestimator {
+
+enum VtEstimatorStatus {
+    kVtEstimatorOk = 0,
+    kVtEstimatorInvalidArgs = 1,
+    kVtEstimatorInitFailed = 2,
+    kVtEstimatorInvokeFailed = 3,
+    kVtEstimatorUnSupported = 4,
+};
+
+// Class to estimate virtual temperature based on a model
+class VirtualTempEstimator {
+  public:
+    // Implicit copy-move headers.
+    VirtualTempEstimator(const VirtualTempEstimator &) = delete;
+    VirtualTempEstimator(VirtualTempEstimator &&) = default;
+    VirtualTempEstimator &operator=(const VirtualTempEstimator &) = delete;
+    VirtualTempEstimator &operator=(VirtualTempEstimator &&) = default;
+
+    VirtualTempEstimator(size_t num_input_samples);
+    ~VirtualTempEstimator();
+
+    // Initializes the model provided by model_path.
+    VtEstimatorStatus Initialize(const char *model_path);
+
+    // Performs the inference on the loaded VT model.
+    // Output of the inference is returned in output argument
+    VtEstimatorStatus Estimate(const std::vector<float> &thermistors, float *output);
+
+  private:
+    void LoadTFLiteWrapper();
+    std::unique_ptr<VirtualTempEstimatorTFLiteData> data_;
+};
+
+}  // namespace vtestimator
+}  // namespace thermal