diff --git a/Package.swift b/Package.swift
index 300eac6..72bc0b0 100755
--- a/Package.swift
+++ b/Package.swift
@@ -14,7 +14,8 @@ let package = Package(
     .library(name: "EnvVars", targets: ["EnvVars"]),
     .library(name: "Models", targets: ["Models"]),
     .library(name: "Client", targets: ["Client"]),
-    .library(name: "ClientLive", targets: ["ClientLive"])
+    .library(name: "ClientLive", targets: ["ClientLive"]),
+    .library(name: "SensorsService", targets: ["SensorsService"])
   ],
   dependencies: [
     .package(url: "https://github.com/swift-server-community/mqtt-nio.git", from: "2.0.0"),
@@ -97,6 +98,22 @@ let package = Package(
       dependencies: [
         "Models"
       ]
+    ),
+    .target(
+      name: "SensorsService",
+      dependencies: [
+        "Models",
+        .product(name: "MQTTNIO", package: "mqtt-nio"),
+        .product(name: "ServiceLifecycle", package: "swift-service-lifecycle")
+      ]
+    ),
+    .testTarget(
+      name: "SensorsServiceTests",
+      dependencies: [
+        "SensorsService",
+        // TODO: Remove.
+        "ClientLive"
+      ]
     )
   ]
 )
diff --git a/Sources/ClientLive/SensorsClient.swift b/Sources/ClientLive/SensorsClient.swift
index 030f0df..f95be3e 100644
--- a/Sources/ClientLive/SensorsClient.swift
+++ b/Sources/ClientLive/SensorsClient.swift
@@ -6,6 +6,7 @@ import NIO
 import Psychrometrics
 import ServiceLifecycle
 
+// TODO: Remove.
 // TODO: Pass in eventLoopGroup and MQTTClient.
 public actor SensorsClient {
 
diff --git a/Sources/SensorsService/Helpers.swift b/Sources/SensorsService/Helpers.swift
new file mode 100755
index 0000000..1817e34
--- /dev/null
+++ b/Sources/SensorsService/Helpers.swift
@@ -0,0 +1,41 @@
+import CoreUnitTypes
+import Logging
+import Models
+import MQTTNIO
+import NIO
+import NIOFoundationCompat
+import Psychrometrics
+
+/// Represents a type that can be initialized by a ``ByteBuffer``.
+protocol BufferInitalizable {
+  init?(buffer: inout ByteBuffer)
+}
+
+extension Double: BufferInitalizable {
+
+  /// Attempt to create / parse a double from a byte buffer.
+  init?(buffer: inout ByteBuffer) {
+    guard let string = buffer.readString(
+      length: buffer.readableBytes,
+      encoding: String.Encoding.utf8
+    )
+    else { return nil }
+    self.init(string)
+  }
+}
+
+extension Temperature: BufferInitalizable {
+  /// Attempt to create / parse a temperature from a byte buffer.
+  init?(buffer: inout ByteBuffer) {
+    guard let value = Double(buffer: &buffer) else { return nil }
+    self.init(value, units: .celsius)
+  }
+}
+
+extension RelativeHumidity: BufferInitalizable {
+  /// Attempt to create / parse a relative humidity from a byte buffer.
+  init?(buffer: inout ByteBuffer) {
+    guard let value = Double(buffer: &buffer) else { return nil }
+    self.init(value)
+  }
+}
diff --git a/Sources/ClientLive/SensorsService.swift b/Sources/SensorsService/SensorsService.swift
similarity index 97%
rename from Sources/ClientLive/SensorsService.swift
rename to Sources/SensorsService/SensorsService.swift
index fa74b38..7aecbfc 100644
--- a/Sources/ClientLive/SensorsService.swift
+++ b/Sources/SensorsService/SensorsService.swift
@@ -99,6 +99,12 @@ public actor SensorsService: Service {
 
 }
 
+// MARK: - Errors
+
+struct DecodingError: Error {}
+struct NotFoundError: Error {}
+struct SensorExists: Error {}
+
 // MARK: - Helpers
 
 struct MQTTClientNotConnected: Error {}
diff --git a/Tests/ClientTests/SensorsClientTests.swift b/Tests/SensorsServiceTests/SensorsClientTests.swift
similarity index 99%
rename from Tests/ClientTests/SensorsClientTests.swift
rename to Tests/SensorsServiceTests/SensorsClientTests.swift
index 1c12cc3..263ee63 100755
--- a/Tests/ClientTests/SensorsClientTests.swift
+++ b/Tests/SensorsServiceTests/SensorsClientTests.swift
@@ -5,6 +5,7 @@ import Models
 import MQTTNIO
 import NIO
 import Psychrometrics
+@testable import SensorsService
 import XCTest
 
 final class SensorsClientTests: XCTestCase {