Then look for the lowest shgc value you can find in a film that is not objectionably dark to the eye. The higher this value, the better the film will be at transmitting natural light while reducing solar heat gain. Dualreflective films offer superior energy savings through lower interior reflectivity and higher exterior reflectivity allowing for. Our film installers adhere to the international standard for visual quality if the installation is not up to this standard it is replaced at our cost. Window sizes were modeled with a fenestration window towall area ratio which includes the area of the whole window with frame where the wall area was defined as the floortofloor exterior wall area and the comfen simulations were conducted using the floortoceiling.
Lowe lowemissive glass reflects heat in the summer and helps keep heat inside in the winter, making this a good choice in climates where both heating and cooling costs are a concern. Glarereduction technology reduces glare to ensure comfort. Apply the application solution generously to the adhesive side of the film. Complete window tint specifications and color samples for solar gard truevue. This film allows for privacy and helps to block out sunlight, helping to keep it cooler in your home.
For home heat control window film page gila window film. Private investigator philip marlowe is hired by wealthy widow elizabeth bright murdock to recover a missing brasher doubloon, a rare and valuable coin. Ratio lsg % summer solar heat gain reduction % winter heat loss reduction % glare reduction the solar performance data reported for llumar architectural window films was captured using the national fenestration rating councils nfrc standard guidelines for window film solar performance measurement as measured on single pane. The lower the shgc, the less solar heat it transmits and the greater its shading ability. For other privacy options, frosted window film, window tint film and oneway window film serve to give you a nice look while allowing you to conceal what you want.
Control titanium window film has the highest level of heat control gila offers. Deluxe films are specified for commercial buildings where high levels of heat rejection and glare reduction are needed. If the window currently gets condensation, it is not recommended to apply thinsulate. Lowe window films boost energy efficiency on a budget. Energy performance ratings for windows, doors, and. Gila heat control platinum adhesive residential diy window.
The doubleglazed unit with a highperformance tint e has a relatively high vt of 0. See it in action see for yourself the difference that huper optik residential window films can have on your home. If those windows are in high humidity areas, you can expect the amount of water condensation to be significantly more than it was prior to the film application. If you live in a cold climate, look for a high shgc rating, or a lower rating if you live in a. Providing a high level of glare and heat control, they are scratchresistant, shield 99% of ultraviolet rays, and provide excellent heat rejection. Energy performance ratings for windows, doors, and skylights. Pdf smart windows for energy efficiency of buildings. It should have a high lsg light to solar gain ratio with a value higher than 1. The low emissivity panels can also include ninbtiox as barrier layer. The results indicate that tbz glass thin film is a suitable material for front side lsg material photovoltaic and photonics applications due to their amorphous nature, high refractive index n 2, broad band optical transparency window, low processing temperature. Lowe window films boost energy efficiency on a budget april 26, 20 if installing new highperformance windows is not in your budget, give your heating and cooling system a break with lowe film on your windows.
For the ultimate privacy experience, shop for blackout window film. For replacement glazings in existing single pane windows, a green tinted glazing with a pyrolitic lowe coating on the inner surface should be used, with an iso above 1. Heat gain and heat loss through windows are responsible for 25%30% of residential heating and cooling energy use. The more you learn about gila window film, the more inspired youll be by the possibilities. For existing windows, a spectrally selective retrofit window film is recommended, one having a lsg above 1. High index glass thin film processing for photonics and. A window film s ability to block heat and allow light into a room is referred to as the lighttosolargain lsg ratio. Less reflection window tints can look mirrored from inside or out, depending on time of day. Energy efficient windows are an important consideration for both new and existing homes. To form a flexible fet on the polyethylene terephthalate substrate, lsg was utilized as a channel layer, and a spincoated ion gel film was used as a gate dielectric. Lowsolar and highsolar gain glazings a key determinant of a windows energy efficiency is its glazing and with windows accounting for more than a quarter of the annual space heating needs in a typical new home, using the most energy efficient glazing is a key to conserving energy and realizing cost savings. High window films ltd free company information from companies house including registered office address, filing history, accounts, annual. Low solar gain lsg glass is best for keeping the cold out and is optimal for north facing windows.
Figure 3 shows the increase in lsg for the same 10 window assemblies, showing that the more complex energyefficient windows have a better ratio of visible light transmittance to total incident light transmittance. That is to see if a reasonably high value of lsg can be achieved with a relatively conventional single pane window. The solar performance data reported for llumar architectural window films was captured using the. The higher this ratio, the more spectrally selective the film. North america data captured using national fenestration rating councils nfrc guidelines and calculated for single pane, nominal 14 inch 6mm clear glass. Uniformly spray the outside of the film with application solution. By reducing the amount of heat gained through transmission of sunlight, 3m window films let in the natural light you love while rejecting heat and uv rays. Best home tint window films editors picks our spring 2012 best home tint guide helps you decide between the over 20 domestic and global window film manufacturers, and combined total of over 200 film lines of all different colors and types.
Us patent for method to generate high lsg lowemissivity. Also, window films with a lower lsg value will result in a darker window than those with a higher lsg value. Soft multi layer coatings inside double pane windows, however, can achieve values as great as 1. Low emissivity panels can include a separation layer of zn2snox between multiple infrared reflective stacks. Placing the windows high up on the wall helps the room feel taller.
Windowtowall ratio wwr flushmounted, nonoperable windows were modeled in the exterior wall of each perimeter zone. Ratio lsg % summer solar heat gain reduction % winter heat loss reduction % glare reduction window film performance data architectural. The higher the lsg number, the brighter the room is without adding excessive amounts of heat. Solar gard truevue window film provides optimum clarity for stunning exterior views day and night.
For a doublepane window, the shgc difference could be from 0. The same iwfa analysis above uses as an example a singlepane window without any glazing or film, with a shgc of 0. Flexible fieldeffect transistors with a high onoff. Compare solar window films top brands online quote save 15%. And there are so many ways it can improve your home life, from decorative updates to light control to safety enhancements. This line of window film is made by solar gard for home or office window tint installation. Gila heat control platinum adhesive residential diy window film. Earlygeneration films and coatings simply absorbed energy across the entire solar spectrum, thus reducing visible light transmission as well as solar heat gain. The high window is a 1942 novel written by raymond chandler. You wouldnt want a window right above your stove imagine trying to keep that glass clean but this kitchen gets loads of light from a ribbon of windows placed high above the range. Before purchasing and installing lowe window film, consider the climate where you live and the orientation of your windows. The doubleglazed unit with a high performance tint e has a relatively high vt of 0.
In order to achieve good solar heat rejection with either a window coating or an applied window film, the shgc value needs to be low below approximately 0. Lighttosolargain lsg ratio, defined as the ratio of visible light transmission vlt to solar heat gain coefficient shgc, is often used to determine the effectiveness of the window film. We make it possible with simple instructions and durable, highgrade materials created to deliver satisfying. Fusion window film series huper optik window films.
Lowsolar and highsolar gain glazings natural resources. Use smaller pieces of extra film to practice before your first time installing. The iac acoustics noiselock window is a high performance soundproof window for use in a wide range of architectural and industrial applications. Solar control window film reflective series reflective films feature reflectance on both interiors and exteriors for superior reduction in summer cooling costs and heat retention in winter. If you live in a cold climate, look for a high shgc rating, or a lower rating if you live in a warm climate. When shopping for window films intended for residences in hot climates, insist on high lsg products, having values exceeding 1. Shgc is a measure of solar radiation admitted through a window. A home depot exclusive, the heat control titanium a home depot exclusive, the heat control titanium window film has the highest level of heat control gila offers, with the power to reject the suns heat while reducing glare. For instance, a doubleglazed window with a spectrally selective lowe coating would have a high lsg, while a singleglazed window with clear glass would have a low lsg.
The lighttosolargain lsg ratio is the vt value divided by the shgc value. Additional glass performance options include smartsun glass that blocks. Typical roi depends on many factors for any window film or window replacement project, such as type of film, windowtowall ratio, type of existing glass, energy rates, type of heating and cooling system, overhangs, adjacent buildings, etc. Iac acoustics noiselock window acoustical solutions. Adhesive or static cling choose our longwearing adhesive film if youd like a lasting change, or our reusable static cling film if youd like more flexibility. Total solar energy rejected is the amount of heat that is cut out by the film.
A clear doubleglazed unit with a lowsolargain lowe coating h reduces the shgc significantly, to 0. We give a gold, silver or bronze award to the 3 highest heat reduction films and award a smiley to the best performance against the following criteria. The higher the lsg number, the better the film or coating blocks heat gain while admitting daylight. High window films ltd overview free company information. Decorative prints can also double as privacy window film. Most people can enjoy optimal energy performance and comfort with lowelowe4 glass. Controlfilm levels varying degrees of glare and heat blocking power, in a range of subtle tints.
Commercial solutions division 3m thinsulate window film cc75. Lowsolar and highsolar gain glazings natural resources canada. How lowe and dynamic glazings, window film, reflective. We then choose a best value film ie the film with the highest overall performance at the lowest cost. Gila films are the brand leader in diy do it yourself window films. The flexible device demonstrates excellent electrical properties and high degree of bendability. We believe you should know in advance what will happen if youre unhappy with the job. A window films ability to block heat and allow light into a room is referred to as the lighttosolargain lsg ratio. Until now, all of the window films having high lsg ratio available in the marketplace were based on tuned dielectricspectrally selective window films r. Generally, up to three silver layers are used in the design of these films and result in very high.
Fusion films deliver privacy, comfort and energy efficiency year round. Starting from the top, apply the film to the window. Light grey, platinum and titanium less reflection window tints can look mirrored from inside or out, depending on time of day. Other glass options tempered tempered glass is a type of safety glass, it undergoes heat treatment to increase its strength. If you are selecting windows for new construction or to replace existing windows, its important to choose the most efficient windows you. Lowe glass reflects heat in the summer and helps keep heat inside in the winter, making this a good choice in climates where both heating and cooling costs are a concern. Profile of a high performance window above figure 2.
Many people often confuse this and think that the lower number is lighter. The brasher doubloon known in the uk as the high window is a 1947 crime film noir directed by john brahm and based on the novel the high window by raymond chandler. Gila heat control window films arent quite that scientifically advanced, but they do give you the power to cool down hot spots, reduce glare and protect furnishings from uv rays. Solar heat gain coefficient shgc is the fraction of solar radiation admitted through a window, door, or skylight either transmitted directly andor absorbed, and subsequently released as heat inside a home. Principles of radiant energy light and heat for lsg. Window towall ratio wwr flushmounted, nonoperable windows were modeled in the exterior wall of each perimeter zone. You can easily apply gila diy films in a weekend, too. When the outside temperature is at its hottest, the sun is high in the sky and sunlight strikes the glass at varying angles, rather than perpendicular.
Window film and reflective coatings window films and reflective coatings have been in use for more than 40 years to help limit solar heat gain through windows. It is difficult, however, to achieve lsg values greater than about 1. High solar gain hsg glass comes standard with all three options to allow the suns warmth in your home year round. Window sizes were modeled with a fenestration windowtowall area ratio which includes the area of the whole window with frame where the wall area was defined as the floortofloor exterior wall area and the comfen simulations were conducted using the. A typical dualglazed window with no coatings has an lsg of 1. Purchase a tinted window film manufactured for residential housing in warm climates. For this article, a modern 10story, 150,000squarefoot building was used as the model. Look at the packaging of the window film for the solar heat gain coefficient shgc and the visible transmittance rating vt. The lsg is a measure of the visible light admitted through the film or coating relative to the solar heat gain.
While it is safe to apply the film yearround, we recommend applying the film to. Typical roi depends on many factors for any window film or window replacement project, such as type of film, window towall ratio, type of existing glass, energy rates, type of heating and cooling system, overhangs, adjacent buildings, etc. Thus, there is a tremendous demand for high solar heat rejecting window films having low reflectivity and medium to high visible light transmittance. We found a special window film available from one manufacturer which offers a lsg value of 1. Commercial solutions division 3m thinsulate window. Our best in class deep dyeing, coating, and adhesive technologies have helped design higher. Adhesive or static cling choose our longwearing adhesive film if youd like a lasting. It makes truly satisfying projects easy to tackle in just a weekend. An lsg greater than 1 means a window has managed to keep its vt high while lowering its shgc. Lowsolar and high solar gain glazings a key determinant of a windows energy efficiency is its glazing and with windows accounting for more than a quarter of the annual space heating needs in a typical new home, using the most energy efficient glazing is a key to conserving energy and realizing cost savings. Similar solar control films are grouped together and we then compare performance and price.
Regardless of where your home is located, choosing windows that provide you with the highest level of comfort and energy savings yearround is extremely important. While it is safe to apply the film yearround, we recommend applying the film to cool glass, avoiding direct sunlight. The film features george montgomery, nancy guild and conrad janis. Choose a low ufactor for better thermal resistance in colder climates. With a high performing window film designed to reject solar heat, the shgc could be as low as 0. Thousands of noiselock acoustic windows have been installed in industrial and commercial buildings throughout the world. They cover your window and make it hard for people to look into your home. Gilas low reflective and 3in1 product reduces this effect. Make note of the natural convection current which occurs between the panes of glass.
So even though solar gain is being controlled, plenty of visible light is still allowed inside. Maintain visibility while blocking sound in virtually any situation. Apply window film to the inside of the window only. Enjoy the benefits of the great outdoors when youre at home, indoors.
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