Windows replacement might not be at the top of your to do list but it should be because it has been simplified greatly by technology and there has also been many advantages associated. Technological researches in the recent past has led to the development of low-emissivity (low-e) glass and films that control heat gain and loss, reduce glare, minimize fabric fading, provide privacy, and occasionally provide added security in wind, seismic, and other high-hazard zones.
Glazing with these coatings are commonly used by new construction and window replacement applications. Without impairing visible light transmission excessively some low-e coatings and solar control films reduce solar heat gain and these include tinted glass and spectrally selective coatings, which transmit visible light while reflecting the infrared portion of sunlight.
Types of Glazing
Tinting- compared to all modern window technologies this is one of the oldest. Tinting can reduce solar heat gain during the cooling season by 25 percent to 55 percent and that is under favorable conditions. The chemical properties are altered to produce tinted glass and both glass and plastic laminate may be tinted. The tints absorb a portion of the sunlight and solar heat before it can pass all the way through the window to the room.
Coated glass or films
Spectrally Selective Coatings– infrared light (heat) transmission is reduced by spectrally selective coatings or tints while allowing relatively more visible light to pass through (compared to bronze- or gray-tinted glass).
Spectrally selective glass also absorbs much of the ultraviolet (UV) portion of the solar spectrum therefore for buildings that use daylight for lighting, a spectrally selective window is a good choice.
They function best as the outermost sheet of glazing in a multi-paned window. When combined with a low-e coating Thermal performance is increased
Low-e Coatings– a layer of metal a few molecules thick is what low-e and reflective coatings usually consists of. The amount of solar heat gain in the room is affected by the thickness and reflectivity of the metal layer (Low-E coating) and the location of the glass it is attached to directly affect. The use of one or more layers of low-e coatings in products is now common in window manufactures. Adding an additional pane of glass to a window is generally equivalent to any low-e coating.
Low-e coatings reduce IR heat transfer by 5 to 10 times. For the material to reduce the heat transfer from the inside to the outside the emissivity value (a measure of the amount of heat transmission through the glazing or coating) must be lower.
There are three types of low-e coating available which are as follows;
Soft coat– this is applied to the surface of a glass at lower temperatures. It is only used on the inner surfaces of windows which are not exposed to the elements because it is not durable enough to be exposed to the elements.
Hard coat– this is found primarily on storm windows and removable energy panels and is produced by fusing metallic oxide to the hot surface of glass at high temperature during manufacture.
Heat mirror– this is a proprietary product that’s applied to a thin polyester sheet suspended between the two panes of dual pane window. The coating reflects radiant heat while the sheet decreases heat loss by splitting the air space in two.
The usual delay for window replacement has to be with making the decision to remove a window type to a new one. Technically the act of replacing your window can be done with so much ease compared to how old houses were installed. With so many choices available to suite whichever situation you are in, changing a window is perhaps the easiest of things to do.Read More
Dear Castle Windows,
“Once again, we were very pleased with the installation of our new Castle Windows. This is the second time that we have used your company to help improve our house. The quality of workmanship and lifetime guarantee help to make that an easy decision. Your sales staff and installers were very professional, courteous and very helpful in answering all our questions. Thank you for another job well done. We won’t hesitate to recommend Castle Windows to our neighbors and our friends.”
David & Jan
Dear Castle Windows,
“We are writing this letter to commend your extremely professional and courteous employees. In early March we contacted one of your representatives and set up an appointment with Ed. Ed came into our home and answered all of our questions, demonstrated the use of your windows, and explained all the benefits of your products. He is very knowledgeable and truly an asset to your company. On May 9th, George and Mark arrived promptly at 9:00am to install our new windows. They were very quick and efficient with their work and our windows are beautiful. It is a pleasure to deal with a company who stands behind their product and has such confident personnel. We will highly recommend your company to anyone needing windows.”
Ron & Michelle
“Windows, I just wanted to send a note expressing my appreciation for the business and your honesty during our work relationship. It was refreshing to find a company and person in this industry that sticks to his word and follows through to the end of the program. I enjoyed working with you and I hope we can do it again very soon. Take care and I wish you and your family the best in your future personal and business plans.
“This is a letter to let you know that your employee Norman is a blessing to your company. I had a lot of work done to my home over the years and not one of the contractors had so much pride in their work as your Norman did. His work is beautiful! He made this older home into a new home. You would not believe how many people start slowing up to look at the home as they are passing by. You would think I have a castle here the way they are looking at the home. He took his time and it shows in the work, I am so pleased that he took time to make it beautiful. I am so very happy that I went with your company and you made me feel great after having the work finished. Money well spent. It was worth the money to have a beautiful home and I will be more than glad to let all your other future customers know how beautiful your work is. Thank You!!”
“Dear Castle Windows,
We are writing to thank you for the fantastic service your company has provided us. We had new windows installed in our house on August 17, 1996. Your staff performed as promised. They arrived promptly, removed all old windows and installed the new windows. Next they thoroughly cleaned inside our home and then cleaned the outside of the property. GREAT JOB!!! Although it has been a mild winter so far we can still feel the difference. Very few in business can promise a service and deliver. It has been a pleasure receiving your service and hope to do business with your company in the near future. Once again thank you.”
Francis & Diane
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