For those who are in a sunny part of the country, even if only just during a warm season, you can live more comfortably and you can decrease your cooling properly protecting the sunny windows and keeping the heat out of your inside of the house, your rooms will be more comfortable and you’ll use less energy to maintain your home at a reasonable temperature.
There are a number of things that you can do to improve the shading on your windows including solar screens, films, and roller shades. We will go over just these three. When you are shopping for sun protection products check to see if they indicate the “shading coefficient” of the product. The SC is based upon of the percentage of solar energy that is let through by the item compared with a regular single glass pane. SC is a number between 0 and 1. The lower the SC number of the product the better it is.
Solar screens are an inexpensive and effective means of cutting down the amount of the sun’s energy entering through your windows. They are made of a metal frame with nylon fabric stretched over it. You can purchase them or build them yourself. If you purchase them they will usually cost you less than $75 for each one installed. Or you can buy the materials and make them yourself for less than $20 for each unit. You install solar screens on the outside. They do a good job of blocking the sun but they also reduce the view. If you want to keep an obstructed view from your windows, you might consider another window treatment option.
Reflective films are similar to the familiar window films installed in cars. Reflective films can block as much as 70% of incoming solar heat while only reducing light infiltration by only 30%. They have the added benefit of retaining the heat inside your house during the winter. The films are not easy to apply, so you will most likely want a professional to do this for you. Make sure that you trust the contractor you hire.
Another cost effective means of blocking the heat from the sun is the use of roller shades. Roller shades are easy to install and roll up when not needed. Roller shades are designed to preserve views while deflecting heat. They can be put on the interior or exterior of your home, but if they are installed on the exterior, they need protection from the elements. Windows that have large overhangs such as wide eaves are good candidates for the use of exterior roller shades. If your south facing have good overhangs, consider putting the roller shades on the bottom part. Large overhangs are good in protecting the upper portions of the windows so you’ll need the most shading at the lower section. By putting them at the bottom and having them roll up instead of down, you can pull them up to the height needed to shade the lower part, leaving a good view from the upper part.
With these inexpensive methods, you can dramatically cool down your warmest rooms, which will take some of the strain off of your air conditioner. When combined with a the use of a simple thermostat, window treatments can make a favorable impact on your cooling costs. If you are a do-it-yourself kind of person, the payback on these investments can be very quick.
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