April 16, 2024

How to Install a Fan on a Vaulted Ceiling

Ceiling fans are a staple in Australian homes. They keep us cool in summer and provide plenty of air flow for those hot and humid days.

The best part about ceiling fans is that they’re energy efficient and they can be installed almost anywhere – including homes with vaulted ceilings.

Vaulted and pitched ceilings look fantastic. They can create an extra challenge when it comes to installing ceiling fans and light fixtures, but it’s nothing a professional electrician can’t handle.

In this article, we’ll learn how to install a fan on a vaulted ceiling, and some of the things we consider when designing your installation.

How to Install a Fan on a Vaulted Ceiling

1. Choose the Right Fan Kit

Vaulted ceilings are a popular design element. They’re so popular that most ceiling fan kits are compatible with sloped ceilings!

In most kits, the fan is connected to the ceiling using a ball joint. This allows the motor to hang perfectly vertical, regardless of the angle of the ceiling.

You’ll still need to make sure that the installation kit is compatible with the angle of your ceiling – ceilings with extreme angles may require specialty mounting hardware. Speak to your electrician to find out more about which appliance is right for your home.

Ceiling fans run on 240V and can only be installed by a licensed electrician in Australia. Your electrician will also be able to help you select the best kit for your home, so ask a professional before purchasing your new fan.

2. Measure the Angle of the Ceiling

We need to know the angle of a vaulted ceiling before we can decide where to install a fan. To find the angle, we need to measure the rise and run of the ceiling:

diagram showing how to measure the angle of the ceilingImage Source

To find the rise, measure the ceiling at its highest point. Then, measure the height of the wall at the lowest point of the ceiling. Subtract the highest point from the lowest point, and that’s your rise.

To find the run, measure the horizontal distance (along the floor) between the lowest point and the highest point of the ceiling.
We can now use trigonometry to get measure the angle of the ceiling:

roof pitch diagram

Image Source

You don’t need to do any math though – use Omnicalculator to quickly find the pitch of your ceiling.


3. Select Your Downrod Length

The downrod is a metal tube that connects the fan housing to the ceiling bracket.

When you have vaulted ceilings, the length of the downrod affects the distance between the walls and the blades of the ceiling fan, and the height from the floor to the fan.

As a guide, we’ve provided our recommended minimum downlod length for some common roof pitches:

Ceiling Angle

Minimum Downrod Length

15-18 degrees


22-26 degrees


30-33 degrees


37-45 degrees


Many ceiling fans come with down rods that can be cut to length. That makes it easy for your electrician to design an installation that provides the best airflow and a tidy appearance.

Note that most houses in Australia have a roof pitch of 22.5 degrees. You can use this as an estimate if you’re unsure how to measure the angle of your ceilings.


4. Decide Where to Place the Fan

It’s finally time to install our ceiling fan! The last job is to choose where to place the fan.

Fan placement has an impact on efficiency and effectiveness. The ideal placement will work alongside your windows and doors to create air flow within a room.

Ceiling fans are generally more effective when they’re installed in the middle of a room. At minimum, the blades should be no closer than 45cm to the closest wall. The motor should be installed at a height of no less than 210cm, but we recommend higher if possible.

We also try to hang ceiling fans in an area where they’re supported by ceiling joists. If there are no joists in the right spot, we’ll add a timber support in the ceiling to improve the stability of the fan.

ceiling fan that has been install on a timber joist

Get Ready for Next Summer with Ceiling Fan Installation by Martel Electrical!

Designing the perfect ceiling fan installation requires expertise and practice. Whether you have flat or vaulted ceilings, it’s important to work with a licensed electrician when installing fans.

Martel Electrical is a north Brisbane electrician offering ceiling fan installation that can keep your family cool and comfortable year-round.

We’ll work with you to design the best ceiling fan installation for your home. We consider the size and shape of your room, the placement of windows and doors, and whether your ceilings are vaulted. That helps us install fans that offer better performance and comfort!

Talk to Martel Electrical to find out more about the brands we work with. We can recommend a ceiling fan for any home – simply contact us to book your FREE quote.