When Alexa appeared at Christmas-time two years ago, most people thought it was a novelty to ask what the weather will be or to play a song. Few people understood the vision of Amazon would be verbally purchasing everything imaginable and that your calendar, contacts, lights, and appliances would all be connected.
There are plenty of players in the market including Amazon Alexa, Google Assistant, Samsung Smart Things, Apple and others. It starts with a hub that acts like a brain for your system to connect the different home automation devices. You'll establish an online account with the hub manufacturer so that you can adjust settings and controls.
You could start simple with switch and plug receptacles that would allow you to control lights either vocally through your hub or from your Smartphone or tablet anywhere in the world where you have an Internet connection.
Programmable thermostats can lower your monthly utility costs while conveniently regulating your comfort by adjusting temperatures on your heating and cooling systems. These can be particularly effective in homes with zoned systems where you might live in one area during the day but sleep in a different zone.
Door bells might be one of the next additions to your automation. Not only can you communicate with the person at your door, you don't have to go to the door to do it. The device cameras are motion activated so you'll see who is there regardless of whether they rang the doorbell or not.
Door locks can be convenient because instead of giving someone a key, you can issue a temporary code to let them enter. You can give them permanent access and rescind it any time you want without having to change the locks. You'll know when they enter and leave your home.
Other security options can include door and window sensors, motion detectors and cameras for outside or inside the home. The homeowner will be able to monitor from inside or anywhere else they have an Internet connection.
Smoke and carbon monoxide detectors, as well as water sensors to determine leaking water around water heaters or in basements give homeowners peace of mind.
Most of these devices are available in wireless models so you won't have to string wire throughout the home. The Wi-Fi can introduce a potential problem of hackers who could illegally access your system. This is true with any home that has a Wi-Fi router and precautions should be taken.
The big box stores like Lowes, Home Depot, and Amazon offer a wide variety of brands and modules. Many people prefer it as a do-it-yourself project and others would rather have a professional do it for them. YouTube has a lot of videos that can probably show you exactly how to install the ones you select.