What is Smart Home Technology and How it Works?

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Smart home technology utilizes sensors, connected devices and internet of things (IoT) for home automation. These smart connected homes can be monitored and controlled from anywhere using smart home apps, laptop or other connected devices. In this article we will discuss what is smart home technology, why we need this and how it works.

What is Smart Home?

A smart home is a home that utilizes smart internet connected devices to monitor and control home appliances remotely. Internet of things, Cloud computing and Artificial Intelligence are driving factors for smart home technology.

Why we need Smart Home Devices / Home Automation

When you are leaving home, you are not sure if you switched off devices, locked doors or turned on your security system.

  • User can monitor and control smart home devices remotely. 
  • These devices can also take decisions according to user requirements.
  •  User can access real smart home data from anywhere.
This Helps In:
  • Saving electricity.
  • Enhances home security.
  • Improves user Comfort.

How Smart Home (Home Automation) Works ?

Smart home connects all home appliances and devices to Internet of things. These devices can include:

  • Home Security System
  • Heating and Cooling Control System
  • Lighting System
  • User Interface Devices
  • Other Smart home Appliances

All of these connected devices analyse data using edge computing and send it to cloud for detailed analysis. This enable user to control connected devices remotely. Smart home system also send user security alerts as well.

Smart Home Automation Components

Home Automation utilizes following components to make a home Smart.

  • Home Security System.
  • Environment Control (Heating and Cooling Control System)
  • Smart Lighting System.
  • Smart Home Appliances.
  • User Interaction Devices
Home Security System

Smart Home security system enable users to access security system remotely. They send alerts to user when they detect anything unusual. Smart Home security system includes following Devices:  

Smart Door Bell

Door bell is the first thing a visitor interact with at your home. Smart doorbell is an connected doorbell that send an alert to doorbell app. It activates and send live video when a visitor presses doorbell button.


  • Motion Detection Feature.
  • Two-way communication.
  • On demand video feed.
  • Send an Alert to house owner smartphone when visitor presses doorbell button.
Smart Door Lock
Smart Door lock makes your front door smart. With smart-lock, you are always control your door, no matter where you are. You can control them right from your phone. They also have capability to raise alarm in case of unintended entry.


  • Activity Monitoring
  • Guest Access
  • Auto Lock / Unlock
  • Remote Monitoring

Smart Lock Devices

Connected Security Camera

A smart connected camera in a smart home enhances household security. Users can demand camera live stream from anywhere. These camera also have features like : motion detection, zoning, night vision and Smart alerts.


  • Motion detection
  • Smart alerts (baby crying, unwanted intrusion)
  • Night Vision
  • Two way Communication.
Smart Smoke and CO Detector

Smart smoke and carbon monoxide detectors along with raising an alarm also send audio alert to user connected devices.


  • Send Alert to your phone.
  • Can tell specific place for alarm.
Windows / Door Sensor

Windows and door sensors are used to restrict unwanted entry. They set an alert if they detect door or window opening when security system is on.

Ring Window Sensor


  • Detect Door / Window Opening
  • Sensor with Glass Break detection is also available
Environment Control

They are used to control the environment such as temperature, humidity, air quality in your home. User can set their preference. 

Smart Thermostat (Heating and Cooling Control)

Smart thermostat are used in smart home automation to control HVAC system. They allow users to control their home temperature remotely. Some of smart thermostat are smart enough to adjust temperature based on user behavior.


  • Adjust room temperature based on user behavior.
  • Improves user comfort.
  • Saves Electricity. 
  • Energy Reports

Smart Thermostat Devices

Water Heater Controller

Everyone likes to have a hot water shower when wakes up. Smart water heater controller are used to control hot water supply according to user preference.


  • Water Heating as per user Schedule
  • Saves Electricity/Money
  • Intelligent Control
  • Remotely Control

Smart Thermostat Devices

Smart Lighting

Connected smart lighting can be controlled using internet connected devices such as smartphone or laptop. These smart light brightness and colors can also be controlled. Read this article for more details on smart lighting technology.

Connected smart lighting can be controlled using internet connected devices such as smartphone or laptop.


  • Adjust light brightness.
  • Multiple colors
  • Daylight Sensing
  • Occupancy Sensing
  • Scheduling

Smart Lighting Devices

User Interaction Devices

To control smart home devices along with smartphone, laptop following user interaction devices are used.

Smart Speaker / Voice Assistant

Connected smart speakers are changing the way we interact with smart device. These voice assistants are capable of giving commands to smart devices. For example, you can control your smart bulb with alexa or google home.


  • Voice Assistants
  • Smart devices can be controlled.
Other Smart Appliances
Smart Refrigerator

A smart connected refrigerator can control refrigerator temperature more precisely. Therefore it utilizes low energy. It also sends you an alert if it’s door left opened.


  • Look inside the refrigerator on mobile app.
  • Let you know if you left the fridge door open.
  • Works with smart speakers (Alexa and Google home).
  • Create Schedule
  • Holiday Mode
Cleaning Robots

When you leave for office. A Robotic Vacuum cleaner can do the job of cleaning your home. They are intelligent enough to clean floor autonomously and go to charging station to charge themself.  


  • Automatic Cleaning
  • Smart Mapping
  •  Voice/Remote Control

Cleaning Robots

Smart Sprinkler System

Similar to other smart home devices, Smart sprinkler system can be controlled remotely.

Rachio Smart Sprinkler Controller


  • Saves Water
  • Weather Compensation
  • Auto Scheduling

Smart Sprinkler Controls

Smart Plug / Socket
Connected Smart plug are used to make any ordinary device devices smarts. For this you just need to plugin existing device into the smart plug. Read this article for more details on smart plug.
Connected Smart plug are used to make any ordinary device devices smarts.


  • Controlled and monitored remotely.
  • Can Make any product smart.
  • Scheduling


To sum up, Smart home automation is becoming more affordable because of more penetration of internet of things, Cloud computing, cheaper availability of data and machine learning technology. They enhances home security, improves comfort level and reduce electricity & gas bills.

Got Questions?  We will be happy to help.

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