What percentage of window AC depth is outside? [closed]


AC is designed to operate as a closed loop. If you have the windows open, you are drawing in humid, warm outside air and forcing your AC unit to "condition" that air as well. If you close the windows, the AC unit recirculates the air in the house, removing moisture and cooling much more efficiently.

posted by cosmicbandito at 8:08 AM on July 6, 2010

That's a tough call without knowing about the air circulation dynamics of the room. It might make sense to have them open for the first few minutes that you run the A/C so any hot air is pushed up and out, but that depends on how well air moves. Most likely, the intake will simply suck in more air from the outside, making the A/C work double time. If you had some kind of separate vent fan that could exhaust hot air prior to the A/C coming on then, maybe. But it seems the conventional wisdom to keep the windows shut would prevail here.

posted by Burhanistan at 8:11 AM on July 6, 2010

Close them when running the...

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For those who are new at buying an air conditioner or even for gaining knowledge for this product, they face lots of issues as we try to gain knowledge from various sources and no one answers led us for taking a firm decisions.

And hence because of such reason, we at Review Center gets lots of queries related to same. Hence I decided to come up with this detailed guide in helping my budding or existing visitors.

Buying an air conditioner is a several step procedure and if these are not followed rightly, can end up in buying wrong type or wrong model for yourself. Please note that when we buy an air conditioner, we expect it to work for a decade at least and there’s nothing wrong in that. Hence choosing the right product is a mandatory thing for you.

Which Air Conditioner to buy? Window or Split?

Look inside your Home for Space

Window and Split and two entire differently sized products and we need to take care of this at utmost importance that...

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Here's another approach that works better for modal windows with focusable controls.

Once you open a modal window in Vaadin, the UI does not receive any click events, but the Window does. However, the the client does not send glass clicks to the server.

You need to extend the Window to received clicks on the glass. When the glass is clicked, you then close the window.

Beware: We make assumptions on how Vaadin creates the Window element to get to the Glass element. There are most likely better ways. In a nutshell, we wait for the window to attach, then wait 100ms for the glass to attach, then install a click handler on the glass.

The Click Handler

public interface ClickHandler extends ServerRpc { void onClick(String elementId); }

The Extender - server side

public class GlassClickExtender extends AbstractExtension { public GlassClickExtender(Window window, ClickHandler clickHandler) { extend((AbstractClientConnector) window); ...
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Most likely you need to clean the indoor coil and blower wheel.
The "smoke" you're seeing is frost. When an air conditioner is working properly it has around 18 - 20 degrees differential, meaning if the room temperature is 70 degrees, the air leaving the air conditioner is around 50 - 52 degrees. When the coils and blower are dirty, it causes an air restriction and causes a much wider temperature differential. Especially the Fredric units. Take the unit out side, remove the top covering in the front of the unit exposing the inside blower wheel. Use a garden hose to wash the inside coil out thoroughly, and also wash the blower wheel. Let dry and replace unit into window, It should function better now. To prove to yourself that this is the problem, use a thermometer and take the temp going into the unit at the front air intake, then find the coldest vent of the unit and retake the temp. Subtract that temperature from the first, if it is more than 20...

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The first thing to know is that window air conditioners do fall under Local Law 11/98. While not specifically mentioned, they're covered under the existing administrative code (C26-105.3), which stipulates that exterior walls and appurtenances must be maintained in a safe condition. The Department of Buildings (DOB) scrutinizes facade inspection reports closely, and can reject reports that fail to affirm the stability of window-mounted air conditioners, or which have photos showing potentially unsafe units.

Installation Guidelines

The DOB website provides a plain-English page of guidelines for safely installing window air conditioners. Step one: Make sure the right-sized a/c is being used. It should have enough capacity to cool the room and have a dedicated outlet with the proper amount of electrical current.

The window and window frame in which the unit will be mounted should be secure and in good condition. The air conditioner should be braced from underneath...

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Air conditioning units outside a building.

Air conditioning (often referred to as AC, A.C., or A/C) is the process of removing or adding heat from/to a space, thus cooling or heating the space's average temperature.

Air conditioning can be used in both domestic and commercial environments. This process is most commonly used to achieve a more comfortable interior environment, typically for humans or animals; however, air conditioning is also used to cool/dehumidify rooms filled with heat-producing electronic devices, such as computer servers, power amplifiers, and even to display and store artwork.

Air conditioners often use a fan to distribute the conditioned air to an occupied space such as a building or a car to improve thermal comfort and indoor air quality. Electric refrigerant-based AC units range from small units that can cool a small bedroom, which can be carried by a single adult, to massive units installed on the roof of office towers that can cool an...

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Hey mikesc9. Welcome to the Community as a first time poster!

Your question is an interesting one. I am not aware of any studies Home Depot has done on this subject.

For commercial purposes, like motels, engineers try to insulate against noise for in-wall installations, but window air conditioners are completely different in terms of the noise they allow into the home.

Owning an old home with double hung, single pane windows and 2 air conditioners, my own experience is that when the A/C is off you will get more noise from the outside than if the unit was not there and the window was closed. When the A/C is on it makes enough noise to drown out some of the outside commotion. In any event, your real choice would be having A/C or having open windows with screens to cool the rooms.

There are some things you can do to reduce outside noise under both on and off conditions that go beyond the "normal" insulation methods supplied with the air...

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Computer type PC/Desktop
System Manufacturer/Model Number Acer M802
OS Win 7 & 10 x64
CPU Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz (4 CPUs), ~2.7GH
Motherboard MB.SCQ07.002 MB KIT G43 ICH10R HMII EUPLOT6 ECS R
Memory 8GB DDR2
Graphics Card HD 6970 2 GB
Sound Card Realtek ALC 888s
Monitor(s) Displays AOC
Screen Resolution 1920x1080 60hz

PSU Corsair TX650m
Case CM 690 II Advanced mid tower
Cooling fan
Hard Drives WD Black 1 TB WD My Book Essential 1 TB external HDD

Computer type PC/Desktop
System Manufacturer/Model Number Dwarf Dwf/11/2012 r09/2013
OS Windows 8.1 Pro RTM x64
CPU Intel Core-i5-3570K 4-core @ 3.4GHz (Ivy Bridge) (OC 4.4GHz)
Motherboard ASRock Z77 Extreme4-M
Memory 4 x 4GB DDR3-1600 Corsair Vengeance CMZ8GX3M2A1600C9B (16GB)
Graphics Card MSI GeForce GTX770 Gaming OC 2GB
Sound Card Realtek High...

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yangjikai434 days ago

Air conditioning influence the air conditioning cooling effect when you open the window, without opening the window does in terms of oxygen supply has a problem. A more appropriate approach is: after blowing the liangdaosangezhongtou refrigeration air conditioning replaced air mode or shut down the air conditioning window, letting air conditioning can take breaks and long-term air conditioning blowing also have disadvantages, such as the indoor air is very dry.

Air conditioning and refrigeration is transported to an outdoor indoor heat, and if you open the window, the place back to the low temperature heat.


(1) air conditioner power, the refrigerant in the refrigeration systems of low pressure steam back to the compressor suction and compression for high pressure steam condensers.

(2) the axial-flow fan draws outside air flows through the condenser, remove refrigerant release of heat, high-pressure...

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Although their function is pretty simple, air conditioners are fairly complex machines that rely on several components to work properly. As such, even a small mistake can have huge ramifications for the whole AC unit and thus your home comfort. Here are 10 of the most common AC mistakes to avoid.

Improperly Sized Systems

When it comes to air conditioners, bigger is not necessarily better. In fact, an oversized air conditioner will constantly cycle on and off, leading to inefficient power usage and uncomfortable temperature changes. Of course, an undersized air conditioner is just as problematic; without enough cooling capacity, your unit will wear itself out quickly and fail to keep your home as comfortable as it could. Either case is a sure ticket to an expensive AC repair down the road.

If you need a new air conditioner, make sure your contractor does a complete load calculation to determine exactly how much cooling capacity your home needs. By taking square...

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Building upon the animation demo, showing how to cycle through numerous possibilities as a result of scroll depth. There are a number of different scroll depth axes at work here, but we’ll break them down one by one.

Stick elements once they scroll

A common UI technique is to fix an element’s position once it has reached that position in the scroll. Most often, elements stick when they hit the top of the window. Suppose we want our navigation to be visible at any scroll depth.

We will construct a scroll depth axis that measures the window.pageYOffset (that is, the amount of the page that has been scrolled out of view) every time the user scrolls. The axis will contain at least two contexts: one for the top of page (where window.pageYOffset = 0) and one for the navigation’s position().top on the page.

When the navigation is at the top of the window, the window.pageYOffset will be equal to the combined height of all the content that came before the...

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Shadow maps, first introduced in 1978, are a common technique for adding shadows to games. Three decades later, despite advances in hardware and software, shadowing artifacts—namely shimmering edges, perspective aliasing, and other precision issues—persist.

This technical article provides an overview of some common shadow depth map algorithms and common artifacts, and explains several techniques—ranging in difficulty from basic to intermediate—that can be used to increase the quality of standard shadow maps. Adding basic shadow maps to a title typically is straightforward, but understanding the nuances of shadow artifacts can be challenging. This technical article is written for the intermediate graphics developer who has implemented shadows, but does not fully understand why specific artifacts appear and is not sure how to work around them.

Selecting the correct techniques to mitigate specific artifacts is nontrivial. When shadow map shortcomings are addressed, the...

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This is the reference documentation for window related functions and types, including creation, deletion and event polling. For more task-oriented information, see the Window guide.

void glfwDefaultWindowHints (void) Resets all window hints to their default values. More...
void glfwWindowHint (int hint, int value) Sets the specified window hint to the desired value. More...
GLFWwindow * glfwCreateWindow (int width, int height, const char *title, GLFWmonitor *monitor, GLFWwindow *share) Creates a window and its associated context. More...
void glfwDestroyWindow (GLFWwindow *window) Destroys the specified window and its context. More...
int glfwWindowShouldClose (GLFWwindow *window) Checks the close flag of the specified window. More...
void glfwSetWindowShouldClose (GLFWwindow *window, int value) Sets the close flag of the specified window. More...
void glfwSetWindowTitle (GLFWwindow *window, const char *title) Sets the title of the specified...
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Installing a window air conditioner is a pretty simple project and doing it correctly will make sure your AC is safe and working properly. First make sure you have a grounded three prong outlet. Make sure there is nothing outside the window that will affect air flow. Measure your window opening and have an idea of the size of the room you want to cool.

Once you have your air conditioning unit, clean both sides of the window before installing. Unbox the AC unit, but keep the packaging for storage in the off season. Align the top rail with the holes on the AC unit and attach with the included screws. For the side filler panels, gently extend the panel, and insert the end all the way into the track. Insert the frame ends into the rails on the cabinet. Do the other side the same way.

Set the unit in the window, making sure the bottom rail is against the outside edge of the window sill or frame. Lower the sash behind the top rail. Attach the side panels to the window...

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Post 58

Do energy savings AC units apply to dual hose portable air conditioners as well?

Post 57

Installation of a room heater and an air conditioner should be done in an appropriate place in a room.

Post 55

Thanks for all the great advice. I could really use air conditioning installation and this is great to know.

Post 54

How is the oxygen level maintained in air-conditioned cinema halls?

Post 50

Does covering the outdoor unit under a shade in order to reduce the temp around it help in...

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array(5) { ["name"]=> string(9) "Ruleset 3" ["threshold"]=> string(1) "2" ["paragraphs"]=> string(2) "15" ["days"]=> string(0) "" ["ads"]=> array(8) { [0]=> array(6) { ["width"]=> int(300) ["height"]=> int(250) ["tag"]=> string(29) "_dPSv5in-post-mobile(300x250)" ["placement"]=> string(10) "percentage" ["placement_value"]=> string(2) "20" ["screen"]=> string(6) "mobile" } [1]=> array(6) { ["width"]=> int(300) ["height"]=> int(250) ["tag"]=> string(29) "_dPSv5in-post-mobile(300x250)" ["placement"]=> string(10) "percentage" ["placement_value"]=> string(2) "50" ["screen"]=> string(6) "mobile" } [2]=> array(6) { ["width"]=> int(300) ["height"]=> int(250) ["tag"]=> string(29) "_dPSv5in-post-mobile(300x250)" ["placement"]=> string(10) "percentage" ["placement_value"]=> string(2) "80" ["screen"]=> string(6) "mobile" } [3]=> array(6) { ["width"]=> int(300) ["height"]=> int(250) ["tag"]=> string(29) "_dPSv5in-post-mobile(300x250)" ["placement"]=> string(10) "percentage"...

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More than three-quarters of all U.S. households have air conditioners. Energy consumption for home air conditioning accounts for more than 8% of all the electricity produced in the U.S. for all purposes, at a cost to homeowners of over $15 billion. That amount of electricity results in the release of roughly 196 million metric tons of carbon dioxide (CO2) per year, or an average for homes with air conditioning of close to 2 tons per year. A switch to high-efficiency air conditioners and implementation of measures to reduce cooling loads in homes can reduce this energy use by 20–50%.

Did You Know? Air conditioning use in the U.S. has more than doubled just since 1981. Ninety percent of new homes are being outfitted with central air conditioning systems, including over 75% of new homes in the Northeast.

As air conditioning becomes the norm in all regions of the country, it is important to realize that often the easiest and most affordable way to stay comfortable during...

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Q) During an inspection, an inspector visually verifies a property with two towers adjacent to one another. The property representative explains that the properties have common ownership. The 2nd tower is a separate property and has its own unique property ID number, however the property being inspected, has no laundry facilities or common areas and the residents use the common areas in the 2nd tower. How should the inspector proceed to inspect common areas in this scenario?

- Would it make a difference if the towers given in the example were owned by different owners?

- Would inspectors use the same guidance regardless of the property type (servicing mortgagee, Section 8 and Public Housing)?

A) The property profile is correlated to the property ID number, regardless of ownership. In this scenario, inspectors should inspect only the building(s) associated with the assigned property ID number. Off-site common areas such...
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