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How Energy Efficient Are uPVC Windows
In a home with typical windows, at least 30% of energy costs from cooling or heating may be coming from the window. Either by letting in too much sun and heat, by being improperly sealed, or by conduction, windows can contribute to waste if they are not in top working condition and designed to be efficient. There are steps you can take to make your uPVC windows more efficient, but new uPVC windows tend to rank higher than windows made out of other materials in terms of efficiency.
How To Tell If Your uPVC Windows Are Efficient
If you have single paned glass in your uPVC windows they will not be as efficient as windows having two or three panes of glass. Those with argon between the glass layers are more effective at keeping the temperature of a room constant than those with air between layers, and they only cost a few dollars more per window. If you have any cracks or crevices that air can move through around the window and frame, your uPVC windows will be less efficient. If your windows do not shut properly they are letting air in and out of the room, which may be solved with new hardware in some cases. Large windows in areas that are very windy or sunny may not be as efficient as they can be, but uPVC windows with a reflective or heat-absorbing tint may help in sunny locations. Sealing windows with plastic film in winter may also make them more insulated and efficient.
If you notice any airflow around your uPVC windows, caulking and insulating gaps can increase their effectiveness greatly. You can find out if your windows are letting air in by holding a match or candle around them and seeing if the flame blows in any direction, indicating where the drafts are. You also should note that uPVC is an insulating material itself, but metal sills or other components can transfer the outside temperature into the room and should not be used in conjunction with vinyl windows for maximum efficiency.
Choosing New uPVC Windows For Maximum Efficiency
If your current windows are old, cracked, rotting, or drafty, and repair is not a viable solution, you may be shopping for new window replacements. uPVC window replacements are all in one vinyl windows that can be made in many styles such as bow windows, casement, double hung, sash, and more. If you are going to replace one or all of your windows, and vinyl looks good with your home's style, uPVC is probably the best material.
To find windows that are most efficient, be sure that they are the right size for your window openings. Even a centimeter looser of a fit than necessary can cause drafts, so if you do have any open space around the window after installing, be sure to fill with fiberglass insulation. Look for windows that are coated with low-e film which lessens the effects of conduction, and hang heavy drapes or curtains over your windows which extend a few inches over the wall on either side to reduce heat transfer to or from outside.
Should I Replace My Windows With uPVC Windows
Since uPVC windows are one of the most efficient selections you can make when picking out window replacements, many people opt for them when it is time for new windows. If you can make your old windows more efficient than they already are, it may be wiser to stick with your existing windows and make the improvements. Though uPVC windows will save you money, the amount of money they cost and take to install may not make it worth it to you unless your current windows are seriously flawed. Do replace your windows with uPVC models when it is time to replace them, but do not replace windows still in working order if you are trying to make your windows more efficient to lessen your environmental footprint or save money. The monetary and environmental costs of getting new windows before they are needed are higher than what you may hope to gain in many cases.