• Smart AC
    • Sensibo Sky

      Smart AC Control

    • Sensibo Air

      Next-Gen Smart AC Control

    • Sensibo Air Pro

      The world’s #1 Smart AC Control

    • Sensibo Air + Room Sensor

      For improved home automation

  • Smart Air Quality
  • Accessories
    • Room Sensor

      For improved home automation

    • Shield AC Filters

      For improved home automation

    • Pure Filters

      Subscribe for auto-renewal

  • Plans
  • About Sensibo

    About Sensibo

    Bringing smart management of indoor climate to your home or business

  • Our Impact

    Our Impact

    Mitigating climate change & making an impact around the world.

  • Our Blog

    Our Blog

    Read insights from the leaders in smart air conditioning & indoor air quality solutions

  • Careers


    Check out our open positions

  • Support & FAQ

    Support & FAQ

    Need help? Check out our FAQs or reach out to our team

  • Press


    The essential resource hub for press

  • Investors


    Invest in the Future of Sustainability and AI

  • Contact Us

    Contact Us

    We’re here to help. Reach out and let’s chat

  • News


    Latest news and press releases from Sensibo

  • Affiliate Program

    Affiliate Program

    Promote green living and earn with Sensibo’s affiliate program

    • Senisbo Air Pro selected as TIME 2023 Best invention Special Mention

Expert Tips for Installing a Window AC Unit: A Complete Guide

3 minute read

HEPA filter

As a climate technology company, we understand the importance of proper installation when it comes to your air conditioning unit. Not only does proper installation ensure that your AC unit is functioning at its best, but it can also greatly impact energy efficiency and save you money on energy costs. That's why we've put together this comprehensive guide on installing a window AC unit, complete with expert tips and step-by-step instructions.

Before You Begin:

  1. Measure the window opening

Before purchasing your AC unit, it's important to measure the window opening where you plan to install it. This will ensure that you get the right size unit for your window and avoid any issues with fitting. Measure the width and height of the window opening, and make sure to leave a few inches of space around the unit for proper insulation and ventilation.

  1. Choose the right location

When selecting a location for your window AC unit, consider the following factors:

  • The unit should be placed in a window that gets direct sunlight during the hottest parts of the day, as this will help the unit run more efficiently.
  • Avoid placing the unit in a window with heavy traffic or a lot of noise, as this can impact the unit's performance.
  • Make sure the unit is easily accessible for maintenance and cleaning.

  1. Gather the necessary tools

Before beginning the installation process, gather the following tools:

  • Screwdriver
  • Level
  • Screws or bolts
  • Caulk or weatherstripping
  • Rags or towels

Installing the Window AC Unit:

  1. Install the mounting bracket

Most window AC units come with a mounting bracket that needs to be installed on the window frame. Follow the manufacturer's instructions for attaching the bracket, and make sure it is level. Some units may require additional support, such as L-shaped brackets, to secure the unit in place.

  1. Lift the AC unit into the window

Once the mounting bracket is in place, carefully lift the AC unit into the window and position it on the bracket. Make sure the unit is level and secure it to the bracket using the screws or bolts provided. If you're having trouble lifting the unit into the window, ask a friend or family member to help you.

  1. Insulate around the unit

To ensure proper insulation and prevent drafts, use caulk or weatherstripping to seal the gaps around the AC unit. This will also help to reduce noise and improve energy efficiency. Be sure to caulk around the entire unit, including the sides and top, to create a complete seal.

  1. Test the unit

Before turning on the AC unit, make sure all the connections are secure and the unit is properly installed. Once you've double-checked everything, turn on the unit to make sure it's functioning properly. If you notice any issues, turn off the unit and troubleshoot the problem before trying again.

The importance of proper window AC unit installation

Proper installation of your window AC unit is crucial for ensuring that it runs efficiently and effectively. By following these steps and taking the time to properly install your unit, you'll be able to enjoy the cool comfort of your AC for seasons to come. In addition to following these instructions, it's also important to maintain your AC unit by cleaning the filters regularly and scheduling annual maintenance checks. By keeping your AC unit in top condition, you'll be able to extend its lifespan and maximize its efficiency.

But why is proper installation so important? 

  1. Energy efficiency

Proper installation can greatly impact the energy efficiency of your AC unit. By sealing any gaps or leaks around the unit, you'll be able to prevent drafts and reduce the amount of energy needed to cool your home. This can result in lower energy bills and a more environmentally friendly AC system.

  1. Improved performance

When your AC unit is properly installed, it will function at its best. This means faster cooling, fewer breakdowns, and a longer lifespan for your unit. On the other hand, if the unit is improperly installed, it may not work as well, leading to longer cooling times and a higher risk of breakdowns.

  1. Safety

Proper installation is crucial for ensuring the safety of your AC unit. If the unit is not secured properly, it could fall out of the window, posing a risk to you and your family. In addition, incorrect installation could also result in electrical issues, which can be dangerous if not addressed properly.

Overall, proper installation of your window AC unit is essential for ensuring that it functions efficiently, performs well, and is safe to use. By following the steps outlined in this guide and taking the time to properly install your unit, you'll be able to enjoy the cool comfort of your AC for seasons to come.

However, like all air conditioners on the market, window AC units are based on century-old technology that fails to meet the “smart requirements” of modern consumers. That’s where Sensibo comes in. Its flagship product, Sensibo Air Pro will turn your AC smart with geofencing, air quality monitoring, and AI integration that learns your usage habits and adapts to them. Visit their website for more information.
Shop sensibo Smart Products
Once upon a time any A/C became smart sensing

The device that pays for itself. Maximize comfort and savings

Sign up & save 5% on your first order!

Stay up to date on the latest sales, product releases & news