Welcome to the breezy life.
A few things before you get started: Installing your Windmill AC should take about 45 minutes If you’re looking for professional assistance, we have some options for you: windmillair.com/support We recommend doing this with a helper We’re here if you need us, so don’t hesitate to chat or email: windmillair.com/support IMPORTANT: Carefully read the entire installation guide and owner’s manual before installing the unit This installation guide and the complete owner’s manual are available at: windmillair.
Safety first General Installation Warnings & Cautions ● Follow all warnings and safety instructions. ● To avoid risk of personal injury, property damage, and product damage, pay close attention to the following during installation: ○ The AC could fall if it is not properly installed, which could result in death or serious injury. Pay close attention to steps 2 and 3 to ensure you properly position and secure the AC in the window. ○ The Windmill AC is heavy.
Window Requirements The medium size (8K BTU) Windmill AC is designed for windows that slide up and down (double-hung windows) with a width of 23-37 inches and a vertical opening of at least 14 inches. 23-37 inches Make sure your window is in good shape and can handle the weight of the AC for a long period of time. 14 inches 4 You’ll also want to make sure there is at least 2 feet of clearance on all sides of your AC (including the front and back).
What’s in the box? SMALL STUFF ½” Screws (7x) The Windmill AC To simplify your setup, the AC comes with the top and bottom install bars, the front frame, side adapters, and both side panels pre-assembled.** Window sash lock (1x) Adhesive & non-adhesive window insulation foam (1x each) Rubber screw hole plug (1x) **Please ensure that the front frame and both side panels are secured (and not damaged) before installing your AC.
Step 1 Insulate your window.
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Step 1. Insulate your window. 1 2 x Cut the adhesive foam to the width of your window. Stick the adhesive foam across the underside of the front window sash.** You should cut the foam to be the width of your window from the left to the right side. Make sure you’re cutting the foam with the adhesive. Peel off the backing paper to expose the adhesive. Stick this side of the foam to the underside of your window sash (i.e., the bottom of the window that will close down on your AC).
3 4 y Cut the non-adhesive foam to the height Insert the foam into the channels on of the bottom half of your window. both sides. Cut the non-adhesive insulation foam to fit the length of the vertical side channels of the window frame. This should be the sides of the lower half of your window. Your window’s ready, now let’s focus on your AC.
Step 2 Lift the AC into the window.
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Step 2. Lift the AC into the window. 1 2 Wooden Windows Inside Outside Together with your helper, lift the assembled AC into the window frame. Properly position the bottom bar BEHIND the inside window sill. Make sure you do this step with a helper. Very carefully, lift the assembled AC into the window frame. Properly position the bottom bar behind the inside window sill and into the bottom horizontal channel of the window frame.
3 Vinyl Windows Inside Inside Outside Outside Close the window down onto the AC, BEHIND the top bar. If you have storm windows, additional window setup is required. Otherwise, the unit will tilt into the room (which could damage your floor and the unit). Please visit windmillair.com/support. Once the AC is centered and the bottom bar is successfully positioned, close the window down onto the AC, behind the top bar. See diagram above.
Step 3 Secure the AC.
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Step 3. Secure the AC. 1 2 Use the side panels to fit the AC to the window. Secure the AC using the included 1/2 inch screws. Extend the side panels out until they reach the window frames on each side. Now that your AC is in the right position, you’ll need to secure it using the included ½ inch screws. Locate the five screw hole locations on the unit and side panels as marked. Use the center screw hole on the top installation bar to secure your unit to the window frame.
3 Fill the center hole on the front frame with the included rubber plug. This will give your AC a clean, finished look. Nice and secure.
Step 4 Cut and attach the cosmetic panels.
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Step 4. Cut and attach the cosmetic panels. 1 2 Determine the width of your side panels. Find the corresponding number on your cosmetic panels. This is the number on your side panel that falls just behind the edge of the front frame. (Make sure you are using the correct panel. They are labeled “Left” and “Right”) The left and right numbers may be different if the AC is not perfectly centered in the window. Cut straight, along the respective line.
3 4 Insert the trimmed side panels into the front frame. Snap the prongs into place. Align and insert the end you just cut into the vertical channel on both sides of the front frame. It helps to insert the bottom corner first and then the top. Then gently push the panel into the slot. Snap the three prongs into the corresponding slots on the ends of the side panels. Repeat on both sides. You’re in business. Now for the last step.
Step 5 Lock and insulate your window.
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Step 5. Lock and insulate your window. 1 Option 1: Wood windows. Option 2: Vinyl windows. Attach the sash lock as shown in the diagram above. Attach the sash lock as shown in the diagram above. CAUTION: For vinyl or similar windows, attach the bracket to the side jamb of the window (not the window itself). See diagram above. This will help avoid broken glass and window damage.
2 3 x Cut the non-adhesive insulation foam to fit the width of your window. Use the nonadhesive foam to fill the gaps in your window. Make sure you are cutting the foam with the non-adhesive sides. Measure and cut the foam to be the width of your window from the left to right side. Stuff it between the gap of the upper and lower sashes of your window. This will plug any air gaps and help keep out bugs and draft. That’s it for installation! Just a few more things to check over, and then you can relax.
Some other things you may want to know. 1 2 Connect your Windmill AC to your smartphone. How to help the environment and save on your energy bill: To learn how to connect your Windmill AC to your smartphone and for app related questions, please go to windmillair.com/support. ● ● ● ● ● 26 Clean your large mesh filter at least monthly (and if applicable, replace your activated carbon filter every 2-4 months). Make sure nothing is blocking the air flow around your AC.
3 To remove your AC from the window: 1. 2. 3. 4. 5. 6. 7. 8. 9. Turn off the AC and unplug the power cord. Take out the insulation foam between the top and bottom window sashes. Unscrew all screws securing the AC and side panels to the window frame or sill. Remove the end caps and cosmetic panels. Then, slide the side panels back in, towards the unit. Place a plastic bag or towel on the floor under the unit (in case there is water in the unit from normal operation).
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