diff --git a/routes/local.ts b/routes/local.ts
index 833c473..10aa1fa 100644
--- a/routes/local.ts
+++ b/routes/local.ts
@@ -1,8 +1,9 @@
 import * as express	from "express";
+import { CronJob } from "cron";
 
-const CronJob = require( "cron" ).CronJob,
-	server = require( "../server.js" ),
-	count = { temp: 0, humidity: 0 };
+import * as server from "../server";
+
+const count = { temp: 0, humidity: 0 };
 
 let	today: PWSStatus = {},
 	yesterday: PWSStatus = {},
@@ -15,7 +16,7 @@ function sameDay(d1: Date, d2: Date): boolean {
 			d1.getDate() === d2.getDate();
 }
 
-exports.captureWUStream = function( req: express.Request, res: express.Response ) {
+export const captureWUStream = function( req: express.Request, res: express.Response ) {
 	let prev: number, curr: number;
 
 	if ( !( "dateutc" in req.query ) || !sameDay( current_date, new Date( req.query.dateutc + "Z") )) {
@@ -43,11 +44,11 @@ exports.captureWUStream = function( req: express.Request, res: express.Response
 	res.send( "success\n" );
 };
 
-exports.useLocalWeather = function(): boolean {
+export const useLocalWeather = function(): boolean {
 	return server.pws !== "none" ? true : false;
 };
 
-exports.getLocalWeather = function(): LocalWeather {
+export const getLocalWeather = function(): LocalWeather {
 	const result: LocalWeather = {};
 
 	// Use today's weather if we dont have information for yesterday yet (i.e. on startup)
diff --git a/routes/weather.ts b/routes/weather.ts
index 535d41b..d0fcef9 100644
--- a/routes/weather.ts
+++ b/routes/weather.ts
@@ -1,21 +1,21 @@
-import * as express	from "express";
+import * as express from "express";
+import * as http from "http";
+import * as https from "https";
+import * as SunCalc from "suncalc";
+import * as moment from "moment-timezone";
+import * as geoTZ from "geo-tz";
+
+import * as local from "./local";
 import { AdjustmentOptions, GeoCoordinates, TimeData, WateringData, WeatherData } from "../types";
 
-const http		= require( "http" ),
-	https		= require ( "https" ),
-	local		= require( "./local"),
-	SunCalc		= require( "suncalc" ),
-	moment		= require( "moment-timezone" ),
-	geoTZ	 	= require( "geo-tz" ),
-
-	// Define regex filters to match against location
-	filters		= {
-		gps: /^[-+]?([1-8]?\d(\.\d+)?|90(\.0+)?),\s*[-+]?(180(\.0+)?|((1[0-7]\d)|([1-9]?\d))(\.\d+)?)$/,
-		pws: /^(?:pws|icao|zmw):/,
-		url: /^https?:\/\/([\w\.-]+)(:\d+)?(\/.*)?$/,
-		time: /(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})([+-])(\d{2})(\d{2})/,
-		timezone: /^()()()()()()([+-])(\d{2})(\d{2})/
-	};
+// Define regex filters to match against location
+const filters = {
+	gps: /^[-+]?([1-8]?\d(\.\d+)?|90(\.0+)?),\s*[-+]?(180(\.0+)?|((1[0-7]\d)|([1-9]?\d))(\.\d+)?)$/,
+	pws: /^(?:pws|icao|zmw):/,
+	url: /^https?:\/\/([\w\.-]+)(:\d+)?(\/.*)?$/,
+	time: /(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})([+-])(\d{2})(\d{2})/,
+	timezone: /^()()()()()()([+-])(\d{2})(\d{2})/
+};
 
 /**
  * Resolves a location description to geographic coordinates.
@@ -174,7 +174,8 @@ async function getOWMWeatherData( coordinates: GeoCoordinates ): Promise< Weathe
  * @return A Promise that will be resolved with WateringData.
  */
 async function getLocalWateringData( coordinates: GeoCoordinates ): Promise< WateringData > {
-	return local.getLocalWeather();
+	// TODO is this type assertion safe?
+	return local.getLocalWeather() as WateringData;
 }
 
 /**
@@ -279,7 +280,7 @@ function checkWeatherRestriction( adjustmentValue: number, weather: WateringData
 	return false;
 }
 
-exports.getWeatherData = async function( req: express.Request, res: express.Response ) {
+export const getWeatherData = async function( req: express.Request, res: express.Response ) {
 	const location: string = getParameter(req.query.loc);
 
 	if ( !location ) {
@@ -309,7 +310,7 @@ exports.getWeatherData = async function( req: express.Request, res: express.Resp
 // API Handler when using the weatherX.py where X represents the
 // adjustment method which is encoded to also carry the watering
 // restriction and therefore must be decoded
-exports.getWateringData = async function( req: express.Request, res: express.Response ) {
+export const getWateringData = async function( req: express.Request, res: express.Response ) {
 
 	// The adjustment method is encoded by the OpenSprinkler firmware and must be
 	// parsed. This allows the adjustment method and the restriction type to both
diff --git a/server.ts b/server.ts
index 2716c85..d9b4d9a 100644
--- a/server.ts
+++ b/server.ts
@@ -1,16 +1,20 @@
-const packageJson	= require( "../package.json" ),
-	express			= require( "express" ),
-	weather			= require( "./routes/weather.js" ),
-	local			= require( "./routes/local.js" ),
-	cors			= require( "cors" );
+import * as express from "express";
+import * as cors from "cors";
+import * as dotenv from "dotenv";
+
+import * as weather from "./routes/weather";
+import * as local from "./routes/local";
+
+const packageJson = require( "../package.json" );
 
 let	host	= process.env.HOST || "127.0.0.1",
-	port	= process.env.PORT || 3000,
-	pws		= process.env.PWS || "none",
-	app		= express();
+	port	= process.env.PORT || 3000;
+
+export let pws = process.env.PWS || "none";
+export const app = express();
 
 if ( !process.env.HOST || !process.env.PORT || !process.env.LOCAL_PWS ) {
-	require( "dotenv" ).load();
+	dotenv.load();
 	host = process.env.HOST || host;
 	port = process.env.PORT || port;
 	pws = process.env.PWS || pws;
@@ -42,13 +46,10 @@ app.use( function( req, res ) {
 } );
 
 // Start listening on the service port
-app.listen( port, host, function() {
+app.listen( +port, host, function() {
 	console.log( "%s now listening on %s:%s", packageJson.description, host, port );
 
 	if (pws !== "none" ) {
 		console.log( "%s now listening for local weather stream", packageJson.description );
 	}
 } );
-
-exports.app = app;
-exports.pws = pws;
diff --git a/tsconfig.json b/tsconfig.json
index 98a056c..aaf0e43 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "target": "es6",
+    "target": "es5",
     "noImplicitReturns": true,
     "noEmitOnError": true,
     "outDir": "js/",