December 11, 2020

how to install a window air conditioner

A rating of 10 or higher is considered ideal for saving electricity and lowering your utility bills. Build a jamb box of 1×6 pre-primed pine about 4 inches wider and 4 inches taller than the air conditioner required. Make sure the sash is behind the metal bracket that is … Even small air conditioners are heavy and awkward to lift. Use a bit that’s slightly smaller than the core of the screw. This compact model from Haier is one of the quietest and most energy-efficient window air conditioners on the market. With a partner, lift the A/C and slowly push it through the window opening and onto the platform assembly. Step 1: Inspect the Window Excessive moisture can also create a breeding ground for dust mites and mold. If your window receives lots of sun, consider cutting white foam insulation board to fit snugly around the outside opening. Pull out each extension panel on the sides of the AC to close up the spaces to the left and right of the air conditioner. When installing a window air conditioner, many people simply open the window, slide the air conditioner into it, and close the window as far as it will go. And then, wrap a piece of masking tape around the bit so that it limits your drilling depth to the length of the screw. This is important to allow condensation to drip outside, not into the room. After balancing your A/C on the windowsill, it’ll be easy to see why you need the top sash to stay put and hold the unit in place. Also, keep fire safety in mind when deciding where to install the air conditioner: Don’t place it in an egress window that serves as the only means of escape should a fire erupt. Start by reversing the installation steps, but be very careful not to unscrew the two small L-shaped brackets until you’ve slid the air conditioner into the room far enough so that it’s resting securely on the windowsill and not tipping in or out. And the last thing you want is for your A/C unit to fall out window or onto the floor. Attach the bracket using the provided hardware. NewAir Portable Air Conditioner How Your Portable Air Conditioner Works: A Quick Guide Part 1: The cooling method Though specific models vary, all air conditioning units — from an old window air conditioner to the bright white mini-split air conditioners that also function as heaters — … They can be installed in just a few easy steps and easily removed for storage when the unit is not needed. Make sure that the huge part of the air conditioners unit hangs outside the room. How To Cool Down a Room (Without Blasting A/C), This content is created and maintained by a third party, and imported onto this page to help users provide their email addresses. There’s no simpler, more affordable way to cool down a room than with a window-mounted air conditioner. Adding more barriers will keep the water from coming in. If you are worried about the stability (and safety is number one) use angle brackets. This is primarily because they are a lot easier to install than split systems – everything comes in one box that sits on your window frame. The EER is calculated by dividing the unit’s BTU rating by the wattage of the unit. You’ll also be following the manufacturer’s instructions, but begin by placing the air conditioning unit inside the window (you may need to recruit a friend to help lift the unit into the window for this part). You can also buy accordion-style insulation panels and cut them to fit the opening. Make sure the mounting brackets are level. The last step is to install a window air conditioner in a sliding window or door. Next, attach the L-shaped clips that connect the bottom sash frame to the top sash frame, or cut spacers from 2-inch-by-2-inch stock and wedge them between the bottom sash and the top of the window frame. Plus, window air conditioners are easy to install. Pull out each extension to close off the space to the left and right of the air conditioner. That competition helps you, as manufacturers hold down prices and outbid each other to add features such as voice control, app control, hand-held remotes, timers, and features like a dehumidifier setting. ⚠️Don’t confuse EER with SEER—Seasonal Energy Efficiency Ratio—which is used to calculate the energy efficiency of central air-conditioning systems. Close the window sash against the left side of the A/C. Lift the unit into the window sill. Removing a window air-conditioner unit can be difficult, so unless you really need access to the window or want to create a better seal for winter, it's best to leave it in place and protect it with a slip-on cover. (Note that in some cases you must install the extensions prior to setting the unit in the window; check the installation manual for specific details.) The Best Outdoor Gifts for Every Type of Adventure, Serenity Series Quiet Window Air Conditioner (6,000 BTU). Not all windows allow you to use L-shaped clips to hold the bottom sash in place. Double-check the unit’s measurements and compare them to the window opening. Step 1 Measure the width, height and depth of your window air conditioner so you'll know the exact size cover to buy. As a general rule, you need about 20 BTU of cooling for every square foot of living space. Here’s a simpler, no-math way to determine which size air conditioner to buy. Be very careful, as the A/C is prone to slipping off at this point. This Energy Star–rated Frigidaire is one of the best-looking window-mounted air conditioners we’ve seen. You can see how one homeowner did it … This compact model from Haier is one of the quietest and most energy … If you need new foam fillers, you can buy them separately. Plus, a too-big A/C unit is louder and burns more electricity than a properly sized unit. Installing a window AC unit a two-person job. This will help you avoid a tripped breaker or blown fuse. Air conditioners draw a fair amount of electricity, so be mindful of the circuit into which you plug the unit. Take the thick foam-rubber weather stripping and stuff it into the gap along the top edge of the lower sash to block out insects and hot air. How to Install a Window Air Conditioner Step 1: Remove Your AC and Find the Center of Your Window. Open the lower window sash. The air conditioner … Depending on the A/C unit, you may also need to drive short screws through the metal flange running across the top of the unit and into the lower sash. Mounting a Standard Air Conditioner in a Sliding Window (From the Inside, Without a Bracket): Many people have inexpensive air conditioners that are intended to fit into a double-hung (vertically sliding sash) windows and want to use them in horizontally sliding windows. To find the perfect window air conditioner for your needs, check out our top window air conditioners page. Here are the tools and materials you will need to install a window air conditioner. Also measure the width and the height of the window opening to confirm whether an A/C will fit. Step 2: Open and Prepare Your Window. Set the box in a cool, dry place for the winter. Keep downward pressure on the lower sash; it’s preventing the unit from toppling out the window. After removing all the hardware, raise the lower sash and lift the air conditioner out of the window and set it onto a thick blanket spread on the floor. With the brackets screwed in place and the lower sash locked in positioned, and the A/C unit is secured. Use sheet metal screws for a metal window frame, or wood screws for a vinyl or wood frame. While studying the AC, bring the window sash down behind the upper guide of the AC unit. And be sure to look for features such as digital temperature controls, variable fan speeds, and sleep settings, which also can help conserve power. Window AC unit; Screwdriver bit; Scissors; Tape measure; Drill with bits; Insulating foam; Now that you have all the tools and materials needed let’s look at how you can install a window AC for easy insulation. Want to beat the heat in your home? Here's how to choose and install a window AC unit like a pro. Check for obstructions in the window opening. If you decide to remove the air conditioner, again, it’s best to have two people. Start by reading the installation manual and familiarizing yourself with all the included hardware and fasteners. Together with your friend hold the unit up and slide it into a place in the frame. For example, pieces of white expanded. This will prevent any air from seeping in our out of the home. If your A/C comes with a foam seal, cut it to size and slip it in place. If your window is a vinyl window, you can replace the clips by cutting strips of wood (paint stirring sticks are ideal) just long enough to wedge snugly between the sash and the top of the window frame. Expanding curtains will help seal your room, but they’re no substitute for insulation. How we test gear. Screw one end into the sill and adjust the center screw on the bracket so the air conditioner will be level. Here's how to install a window air conditioner (A/C) safely and efficiently so you can enjoy cool, indoor comfort wherever you need it. (Check with the air-conditioner manufacturer for specific installation instructions.) Before you learn how to install a window A/C unit, you should gather some basic information. Now pull down the lower sash until it contacts the top of the A/C unit directly behind the metal flange running across the top of the unit. Window air conditioners are designed with a metal lip that presses against the sash from the inside to hold them in. How to Install Window Air Conditioners Know Before You Buy a Window A/C. ft. x 20 = 3,840 BTU). These parts will ensure a secure and airtight fit in the window opening. Cutting through an exterior wall to mount an air conditioner can cost up to $1,000 more than putting in a window AC. How to Install a Window Air Conditioner Size the Room. For a more finished look, you can install trim or molding around the unit to suit your taste. Now, pour yourself a cold glass of water while you wait for your newly air conditioned room to cool off. We may earn commission if you buy from a link. If you’re using an extension cord, it’s important to use a cord that’s specifically designed to handle the electrical load; these heavy-duty cords are usually labeled as, "air-conditioner cord" or "major-appliance cord.". Open your window. Prices and availability of products and services are subject to change without notice. Pull the side curtains out to the edges of the window frame to keep bugs, moisture and hot air from entering the room. Window-mounted A/C units come various sizes and cooling capacities, ranging from about 5,000 BTU to... Buy the Best. Window air conditioner installation requires a bit of prep work to the area, but you'll be rewarded with low-maintenance indoor comfort all season long. Determine the Space to Cooled. Next, attach the two accordion-like extensions, one to each side of the A/C unit. And choosing a unit that’s too big—a common mistake—is just as problematic. Step by Step. Keep it balanced as you slide the flange on the bottom of the case against the outside edge of the windowsill. Window air conditioners are available in a variety of sizes and cooling capabilities. Installation takes 10 to 12 hours, compared to 2 to 4 hours for a window unit. It includes the best models you can buy for each size room. Either remove the storm window and frame, or fasten a spacer block to the windowsill to lift the A/C case away from the obstruction. The energy efficiency of a room air conditioner is designated by its EER number, which stands for Energy Efficiency Rating. Then lower the bottom window sash until it rests on the A/C and securely against the top flange. Install the Air Conditioner: Attach the included accordion panels to the sides of the air conditioner according to the instructions, and lift the air conditioner into place. A window air conditioner is a common sight, particularly in older homes and unit blocks. If you choose a unit that’s too small, it’ll struggle to keep the room cool on the hottest days. Position the air conditioner in the window opening so the spacers rest on the inside edge of the window frame and tilt the air conditioner backward slightly to force condensation outside. Installing a window air conditioner is a sweaty job, so you might be tempted to simply open the window, boost the air conditioner into place, close the window, and hope for the best. Consumer Reports has no financial relationship with advertisers on this site. The installation kit typically includes two small L-shaped metal brackets, which are used to prevent the lower sash from being raised. Screw each one to the window sash to keep them in place. Expert Tip: Be careful removing it from the box. Fasten spacers in place to keep the unit from tilting or even falling. Before considering a unit for your room, you will need to determine how much space needs to be cooled. The Window Air Conditioner Installation Process Step 1. Install the frame into the open window. If the same circuit powers other high-energy appliances—refrigerators, dryers, ovens—consider plugging in the air conditioner elsewhere. Consider what side of the house your window faces. You’ll also want to clear the area around the window and leave yourself plenty of working space with no tripping hazards. Here, I’ll discuss installation for double-hung windows, which are by far the most popular style of window. And for additional support, especially for larger air conditioners, consider purchasing a steel support bracket and mount it to the outside house wall, directly below the windowsill. Slide the accordion panels onto both sides of the air conditioner. With the bottom window sash up as far as it'll go, center and insert the A/C in the window. Open the window to install the mounting brackets onto the windowsill. Check the manufacturer’s instructions for directions on screwing or clipping the curtains in place. Follow the manufacturer's instructions for positioning the unit to ensure that condensation will drain properly. This allows for a replacement unit, which might be larger. Before installing a window AC, open the window as far as it goes, remove the screen, and clean the windowsill, glass, and window frame. Here, I’ll share some tips on what to consider when buying an air conditioner, and then how to install it securely and remove it for winter storage. With the step-by-step guide provided here, you can spare the money you would have spent on having a professional do it by setting up the window … If you’re not already handy with wall and siding repair, this is a case to hire a professional. This often involves attaching brackets and the accordion-style side curtains. If the circuit is also powering other devices, even simple ones such as a hair dryer, you should consider adding a dedicated circuit, choosing another window near a different circuit or moving other appliances elsewhere. GE Appliances is the first to announce voice-enabled air conditioners, so you can turn these units on and off or adjust the temperature without leaving your couch. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted. Place the air conditioner back into its original box, using the dense-foam packing material to protect it from damage. Here are the steps to follow. Air conditioners are deceptively heavy. Window mounted air conditioners are a quick and cheap to install. Installing a window air conditioner is not a hard task if you have minimal know-how and a little experience in DIY projects around the house. That space between the frame of the lower sash and the window on the upper sash needs to be filled. The following tips will make the process of installing a window air conditioner a breeze. First, inspect the window to make sure it’s in good repair. Prepare the unit for mounting before installation. Choose from well-known window air conditioner brands like LG window air conditioners and Frigidaire window air conditioners, then let us handle the rest. This may be a single hose with connectors already attached, or you may have to first attach an exhaust connector to the unit, and then attach the hose to the connector. Close the window tightly to keep the unit secured in place and prevent it from falling or wiggling. Installing a window air-conditioner is best done with two people. Plug the unit in, using an A/C extension cord if needed. Measure the window where you would like to install the unit to make sure it is large enough to accommodate the unit’s size. Save the air conditioner’s original box and packing materials; you can use it later for storing the unit. Leaked Photo Shows ‘Motionless, Cube-Shaped’ UFO, Gen. Chuck Yeager on Breaking the Sound Barrier, Illness Plaguing Diplomats Might Be Energy Weapon. Not a good idea, for a number of reasons. Carefully set the AC in the window, so that it is centered and placed the AC saw at the front edge of the bottom guide is against the back edge of the sill. This would also work if you want to install an air conditioner in a sliding window as well. Put all the screws, brackets and other installation hardware items in a re-sealable plastic bag, and put the bag in the box. If you're looking for a new window A/C, well, you're in luck. Most the weight will be hanging out the window, so be sure to keep a firm grip on the unit. Lower the sash while still holding the back of the air conditioner, with your arm outside the window. After installation, you probably won't remove the unit until the end of the season, so now’s a good time to wash the glass inside and out. Products, costs, availability and item numbers may vary online or by market. This method uses the window vent insert that comes with the portable air conditioner, coupled with a piece of rigid foam or plywood to block the rest of the window. Summer might be hot, but so is the competition to sell these appliances, with anywhere from 1.74 million to 5.4 million being sold in any given year recently, according to and U.S. Department of Energy. You must also insulate the unit to keep the cold air outside, and the warm air in. Use a stud finder to locate two adjacent stud bays that will provide enough room for the opening. Always follow the manufacturer's instructions. Before installing a window A/C unit, decide how much additional insulation and rain protection you’ll want to add around the window (beyond the A/C's side curtains). And, should something go wrong with your window A/C unit, our Lowe’s protection plan has you covered. Hot Debate: How Cool Should You Keep Your House? Window-mounted A/C units come various sizes and cooling capacities, ranging from about 5,000 BTU to 25,000 BTU (British thermal units). Check the load on the circuit you plan to use. Follow the directions that came with your unit. Most window-mounted air conditioners are designed to fit into double-hung windows, but most units can also be placed in swing-out casement or sliding windows. Most units come with a kit that includes adjustable window extensions and metal mounting brackets. Window air conditioners are simple to install and save big money when compared to construction of a central air system. Popular Mechanics participates in various affiliate marketing programs, which means we may get paid commissions on editorially chosen products purchased through our links to retailer sites. West-facing windows may catch more sun and force the A/C to work harder. Connect the exhaust hose that came with the portable air conditioner to the air conditioning unit. Prepare the Window for Your Window A/C. To prevent the sash from being accidentally raised, insert at least two screws through the upper flange on the A/C case into the window sash. How To Install A Window Air Conditioner Materials Needed. If there’s no three-prong outlet nearby, you’ll need an. Screw the vertical mounting flange of each extension to the window jambs. Enlist a helper to set the A/C in position. When properly installed, the A/C unit will tip slightly to the outside. Check for obstructions in the window opening, such as storm window frames or screens that might interfere with the overhanging part of the air conditioner on the outside. Listed below are the most common sizes of window air conditioners for rooms ranging from 150 to 1,600 square feet: It’s critically important to choose a model with a cooling capacity sufficient to cool the room. A storm window frame or screen might interfere with the overhanging part of the A/C on the outside. Drill pilot holes to keep the screws from splitting the wood. Most AC units have accordion or sliding extensions that … Don't leave spacers loose. Vacuum the outside of the unit—especially the louvered vents—and then wipe it down with a damp cloth. Start by raising the lower sash, and then measure the height and width of the opening. Does the wind typically whip rain against that side of the house? While window unit air conditioners offer much-needed relief when central air isn’t an option, installing the window unit in a hurry can have a downside. And if the storage room has a concrete floor, place two 2x4s beneath the box to raise it up and protect it from moisture. Our local stores do not honor online pricing. These compact units are reliable, durable, able to cool virtually any size room, and today’s models are exponentially more energy efficient than units built just 10 years ago. You may be able to find more information about this and similar content at, 25 Last-Minute Gifts and Stocking Stuffers, The Best Generators To Keep Your Home Running, 20 Painting Secrets the Pros Won't Tell You, Make a Gift: A Copper Bracelet With DIY Style, You Should String Lights on Your Tree Vertically. And be sure to check the air filter monthly throughout the cooling season to ensure it’s clean and clear of obstructions. How to Install a Window Air Conditioner 1 Completely open the bottom sash of the window, remove the window screen if there is one, and clean the sill and... 2 Prepare the extensions. An oversized air conditioner will pump too much moisture back into the room, raising the humidity to unsafe levels, especially for those with breathing difficulties. Window A/C units typically have ratings between about eight and 12. Set one bracket on the far left, top edge of the lower sash. What If Black Holes Are Actually Fuzzballs? Link to Lowe's Home Improvement Home Page, How to Choose the Best Window Air Conditioner for You, Determine the window where you’ll install your A/C. Raise the window’s lower sash and set the A/C unit centered on the windowsill. For example, a 12,000 BTU air conditioner that uses 1,200 watts of electricity has an EER of 10. Once you have secured the unit into its appropriate place, close the window on the top. Bells and whistles are nice, but more so is the increased energy efficiency of these appliances. Designed to quickly cool large spaces, this high-performance, 8,000 BTU LG window air conditioner is ideal for rooms up to 17 x 20 feet. The air conditioner should be placed such that the bottom sash can be lowered onto the outside of the air conditioner. Weather, vibration and the challenge of lifting a heavy A/C unit onto a windowsill can knock an unsecured spacer out of position. So, for example, a 12x16-ft. room would require an air conditioner with a cooling capacity of approximately 4,000 BTU (12 x 16 = 192 sq. Ford Offers to License Its Police “Surveillance Mode” Camera Tech to Other Cop-Car Makers, 9 Ways to Celebrate Star Wars Day (Other Than Watching Star Wars), Staying Cool: How to Replace Your Old Central Air Conditioner, 7 Window -Mounted Air Conditioners in a Cool-Down Competition. If you already have some of these air conditioners … Determine whether your window is sliding, a double-hung or casement style. Prices, Promotions, styles, and availability may vary. Gear-obsessed editors choose every product we review. Insulating your window air conditioner doesn't cost a lot of money or take a lot of time. Repeat to install the remaining bracket to the far right side of the lower sash. Then, use a cordless drill to screw the bracket to the upper sash. Step 5 Slide the window down tight onto the air conditioner and spread the spacers out to close the gaps between the air conditioner and the window frame. Be sure to have those dimensions on hand when shopping for an air conditioner to ensure it’ll fit comfortably into the window. Most units work only in double-hung windows with a bottom sash you can raise and lower. Use the caulking gun and silicone caulk to put a thick bead of caulk around the edges of the unit on the interior and exterior of the house. Not every A/C fits every type of window.

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