I have a brand new AC in the box which was meant for another room, but recently had a baby and her room is too hot. I want to use the AC I already purchased, but the max window width is 36" and the window in her room is 48" Is it possible\safe to use plywood or some other material to act as the AC curtain to make up for the remaining 12" of space? Cant seem to find anything on the web. (perhaps I am searching for the wrong keywords) You could use exterior grade plywood, but you should still seal it on both sides with paint or clear coating suitible for exterior use. It still may be somewhat unsightly on the inside. As an alternative, I have regularly used plexiglas type plastic to fill in the spaces along the sides of air conditioners. This avoids weatherproofing and appearance issues. It also give you a bit of a view to the side of the air conditioner (this was critical in my New York apartment where the peek-a-boo river view was in the only window that could take the air conditioner).

The easiest way to use this system is to remove the expandable plastic filler frame altogether. The accordian plastic is prone to leaking air anyway. While the filler sides do not provide much support, they do provide a bit, so it is essential to make sure the air conditioner is well attached behind the upper sash, prefereably with screws, and that the upper sash is blocked from opening with a bracket of some sort. Cut the plexi to fit. You do need to seal the plexi on all four sides. One way to to this is to create a molding one side of which will press against the face of the plexi (on the inside surface) and the other side against the side of the window frame, the sill and the upper sash and against the air conditioner itself. Silicone sealant or similar latex glues can be used to glue the plexi and the molding. These can generally be removed fairly easily with a razor blade if needed.Window Air Conditioner Installers Where do you need the window air conditioner installation professional?

window air conditioner installation professional for your project. Window Air Conditioner Installation Professionals Ready to Help This team of pros provide window air conditioning unit repair services. They have been working in air conditioner repair industry for more than 5 years. Triangle Mechanical provides HVAC installation services for their clients. ac unit is not levelHire them if you need window air conditioning unit installation service.how much to change ac unit Window Air Conditioner Installershow much does it cost to run a small ac unit Need help installing casement window air conditioner? They offer window air conditioner installation, duct cleaning, and lighting installation, among others.

Looking for high-quality heating and air conditioning services? Hire Harold Swanson, one of the reliable HVAC contractors in your are. He offers heating and air conditioning repairs, plumbing, electrical work and more. Let The Air Guy help you with your window air conditioner services. They provide quality HVAC services within Fort Worth that will please you. Need help installing a window air conditioner in your house? Let Leavell Mechanical provide you with quality air conditioner installation services. They also offer heating and central air-conditioning installation. This company is aimed towards providing services that make your daily living easy and comfortable. They are experts at repairing and installing window air conditioners, too. Window Air Conditioner Mounting Services Beat the heat with the help of the window air conditioning installation services of this company. Their window AC installation services are available for residential and commercial clients.

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The air conditioner should be braced from underneath with metal brackets, mounting rails, or similar supports, or firmly fastened from inside with supporting angles. Do not use loose objects to support the A/C unit, such as bricks, wooden blocks, plywood, etc. We’ve even seen phone books and videocassette tapes wedged between the air conditioner and the window sill (although the digital age has made those items rare).If the position of the air conditioner needs to be adjusted with shims, they should be independently secured to prevent shifting caused by vibration, wind, or ice.Do not put items such as flower pots, satellite dishes, bird feeders, etc. on top of the A/C unit.It’s OK to tilt the unit for drainage if it’s not at a steep angle.An air conditioner should not be installed in a window that opens on to a fire escape.An improperly secured window-mounted air conditioner is considered an unsafe item in a Local Law 11/98 facade inspection. To ensure compliance, Rand recommends that management establish building-wide installation guidelines for all residents to follow.