diff --git a/Package.swift b/Package.swift
index 64543fc..cdcf32e 100644
--- a/Package.swift
+++ b/Package.swift
@@ -9,6 +9,9 @@ let package = Package(
   products: [
     .executable(name: "App", targets: ["App"]),
     .library(name: "ApiController", targets: ["ApiController"]),
+    .library(name: "ClimateZoneClient", targets: ["ClimateZoneClient"]),
+    .library(name: "CoreModels", targets: ["CoreModels"]),
+    .library(name: "LocationClient", targets: ["LocationClient"]),
     .library(name: "Routes", targets: ["Routes"]),
     .library(name: "Styleguide", targets: ["Styleguide"]),
     .library(name: "ViewController", targets: ["ViewController"])
@@ -59,6 +62,27 @@ let package = Package(
       ],
       swiftSettings: swiftSettings
     ),
+    .target(
+      name: "LocationClient",
+      dependencies: [
+        .product(name: "Dependencies", package: "swift-dependencies"),
+        .product(name: "DependenciesMacros", package: "swift-dependencies")
+      ],
+      swiftSettings: swiftSettings
+    ),
+    .target(
+      name: "ClimateZoneClient",
+      dependencies: [
+        .product(name: "Dependencies", package: "swift-dependencies"),
+        .product(name: "DependenciesMacros", package: "swift-dependencies")
+      ],
+      swiftSettings: swiftSettings
+    ),
+    .target(
+      name: "CoreModels",
+      dependencies: [],
+      swiftSettings: swiftSettings
+    ),
     .target(
       name: "HTMLSnapshotTesting",
       dependencies: [
@@ -67,9 +91,18 @@ let package = Package(
       ],
       swiftSettings: swiftSettings
     ),
+    .target(
+      name: "LocationClient",
+      dependencies: [
+        .product(name: "Dependencies", package: "swift-dependencies"),
+        .product(name: "DependenciesMacros", package: "swift-dependencies")
+      ],
+      swiftSettings: swiftSettings
+    ),
     .target(
       name: "Routes",
       dependencies: [
+        "CoreModels",
         .product(name: "CasePaths", package: "swift-case-paths"),
         .product(name: "Dependencies", package: "swift-dependencies"),
         .product(name: "Elementary", package: "elementary"),
diff --git a/Sources/ClimateZoneClient/ClimateZoneClient.swift b/Sources/ClimateZoneClient/ClimateZoneClient.swift
new file mode 100644
index 0000000..e69de29
diff --git a/Sources/Routes/Models/ClimateZone.swift b/Sources/CoreModels/ClimateZone.swift
similarity index 96%
rename from Sources/Routes/Models/ClimateZone.swift
rename to Sources/CoreModels/ClimateZone.swift
index fc60a9f..a29ac47 100644
--- a/Sources/Routes/Models/ClimateZone.swift
+++ b/Sources/CoreModels/ClimateZone.swift
@@ -1,4 +1,4 @@
-// TODO: This should be renamed to ClimateZoneType.
+import Foundation
 
 public enum ClimateZone {
 
diff --git a/Sources/CoreModels/Cooridinates.swift b/Sources/CoreModels/Cooridinates.swift
new file mode 100644
index 0000000..350735e
--- /dev/null
+++ b/Sources/CoreModels/Cooridinates.swift
@@ -0,0 +1,11 @@
+/// Represents a location coordinates.
+public struct Coordinates: Codable, Equatable, Sendable {
+
+  public let latitude: Double
+  public let longitude: Double
+
+  public init(latitude: Double, longitude: Double) {
+    self.latitude = latitude
+    self.longitude = longitude
+  }
+}
diff --git a/Sources/CoreModels/DesignTemperatures.swift b/Sources/CoreModels/DesignTemperatures.swift
new file mode 100644
index 0000000..7387264
--- /dev/null
+++ b/Sources/CoreModels/DesignTemperatures.swift
@@ -0,0 +1,11 @@
+/// Represents design temperature conditions.
+public struct DesignTemperatures: Codable, Equatable, Sendable {
+
+  public let cooling: Double
+  public let heating: Double
+
+  public init(cooling: Double, heating: Double) {
+    self.cooling = cooling
+    self.heating = heating
+  }
+}
diff --git a/Sources/CoreModels/Location.swift b/Sources/CoreModels/Location.swift
new file mode 100644
index 0000000..897e100
--- /dev/null
+++ b/Sources/CoreModels/Location.swift
@@ -0,0 +1,27 @@
+import Foundation
+
+public struct Location: Codable, Equatable, Sendable {
+
+  public let city: String
+  public let state: String
+  public let zipCode: String
+  public let stateCode: String
+  public let county: String
+  public let coordinates: Coordinates
+
+  public init(
+    city: String,
+    state: String,
+    stateCode: String,
+    zipCode: String,
+    county: String,
+    coordinates: Coordinates
+  ) {
+    self.city = city
+    self.zipCode = zipCode
+    self.state = state
+    self.stateCode = stateCode
+    self.county = county
+    self.coordinates = coordinates
+  }
+}
diff --git a/Sources/LocationClient/LocationClient.swift b/Sources/LocationClient/LocationClient.swift
new file mode 100644
index 0000000..e0ab038
--- /dev/null
+++ b/Sources/LocationClient/LocationClient.swift
@@ -0,0 +1,74 @@
+import Dependencies
+import DependenciesMacros
+import Foundation
+
+public extension DependencyValues {
+  var locationClient: LocationClient {
+    get { self[LocationClient.self] }
+    set { self[LocationClient.self] = newValue }
+  }
+}
+
+@DependencyClient
+public struct LocationClient: Sendable {
+  public var search: @Sendable (Int) async throws -> [Response]
+
+  // TODO: Add ClimateZone.ZoneIdentifier??
+  public struct Response: Codable, Equatable, Sendable {
+
+    public let city: String
+    public let latitude: String
+    public let longitude: String
+    public let zipCode: String
+    public let state: String
+    public let stateCode: String
+    public let county: String
+
+    public init(
+      city: String,
+      latitude: String,
+      longitude: String,
+      zipCode: String,
+      state: String,
+      stateCode: String,
+      county: String
+    ) {
+      self.city = city
+      self.latitude = latitude
+      self.longitude = longitude
+      self.zipCode = zipCode
+      self.state = state
+      self.stateCode = stateCode
+      self.county = county
+    }
+
+    private enum CodingKeys: String, CodingKey {
+      case city
+      case latitude
+      case longitude
+      case zipCode = "postal_code"
+      case state
+      case stateCode = "state_code"
+      case county = "province"
+    }
+  }
+}
+
+extension LocationClient: TestDependencyKey {
+  public static let testValue: LocationClient = Self()
+}
+
+#if DEBUG
+
+  public extension LocationClient.Response {
+    static let mock = Self(
+      city: "Monroe",
+      latitude: "39.4413000",
+      longitude: "-84.3652000",
+      zipCode: "45050",
+      state: "Ohio",
+      stateCode: "OH",
+      county: "Butler"
+    )
+  }
+#endif
diff --git a/Sources/Routes/SiteRoutes.swift b/Sources/Routes/SiteRoutes.swift
index cb0aaae..a0d6aec 100644
--- a/Sources/Routes/SiteRoutes.swift
+++ b/Sources/Routes/SiteRoutes.swift
@@ -1,4 +1,5 @@
 import CasePaths
+@_exported import CoreModels
 import Foundation
 import PsychrometricClient
 @preconcurrency import URLRouting