Installation

Where can I find the installation guide and owner's manual for my AC?

Please read both the Windmill AC Installation Guide and Windmill AC Owner's Guide before installing and using your AC.

How do I install my Windmill AC?

We've pre-assembled the installation kit to make setup a breeze. We recommend 2 people to complete the installation, and in most cases with standard single/double hung windows, installation takes about 30 minutes. Please follow the steps in our Windm

How do I install the carbon filter?

The carbon filter fits in right behind the main mesh filter. When it is assembled into the unit, the plastic part should be facing the inside of the AC unit (or, to put it another way, it should be facing away from you as you insert the filter back i

How do I insert the activated carbon filter?

Check out this video with details on how to insert the activated carbon filter:. If you're interested in how to take out and clean your re-usable antimicrobial-protected mesh filter, watch this video as well:

Do you have tips for plexiglass installation?

If you are local to the NYC area, we have partnered with KeepCoolNYC, a fully insured local company that can do traditional Windmill AC installs, with or without a support bracket, and custom plexiglass installs in the NYC area. Just fill out the Kee

Do I need a support bracket?

Some landlords and buildings in New York City require a support bracket to be used during installation. Please ask your super or landlord if you are uncertain of their requirements. If you do need a bracket, the Windmill AC works with standard, singl

How do I install the AC in a storm window?

Installing the AC with storm windows requires a little prep on your end. The key is raising the unit in the front so you can maintain the correct pitch and properly clear the storm window frame/lip in the back (since the unit needs to tilt slightly d

How do I install the cosmetic side panels?

We've designed the side panels to fit snugly into the front frame to insulate well and prevent air gaps. Follow the instructions and diagrams as laid out in the Installation Guide. Here's a helpful video:. Pro tip: Don’t be afraid to give the foam pa

How do I uninstall my AC?

Though we don't recommend it (because it makes the install later a bit more difficult), you can remove the accordion side panels and unscrew the front frame/wrap from the AC unit. To remove the side panels, you can extend the accordions all the way a

What do I do if my AC is leaking?

If you notice any leaking into your home, your unit may not be installed properly (or there has been some settling in your home & a re-install should do the trick)! The unit should be installed with a 1-degree tilt towards the back (outside of the wi