If you notice condensation between the window panes, it's time to repair your double glazing. This is typically a cheaper option than replacing the entire unit.
However, you should seek help from a professional as it's a difficult and risky task. It requires specialized tools and knowledge of window and joinery mechanisms.
Replacement of the Glass
Sometimes, double-glazed windows require replacement and the cost of this will depend on the brand, the frame material, and size of the replacement window. A glazier can provide you with an estimate for the cost of replacing glass. They will also be able to provide suggestions on the kind of glass that will suit your home and needs, as different types offer different energy savings.
The most common problem with double-glazed windows is condensation and mist. This could be due to leaks in the seal or a problem with the frame. If you're experiencing this issue, you should call the company whom you bought the windows from. The majority of companies provide a warranty and be able provide an answer to this issue.

Some of these companies can provide a minor fix for you. This involves drilling a hole in the glass, and spraying an internal substance that absorbs moisture. This is only a temporary fix and will need to be repeated in the future. If double glazing repair persists, it is best to consult a specialist.
A glazier is able to provide a 24/7 emergency service, and can typically be on hand by weekend if your window has damaged. They can repair damaged glass quickly and effectively, and ensure that the new window offers sufficient insulation. They can also offer a price for replacing the entire window, which is typically more expensive, but is the best option in case you have other problems with your windows.
A professional will also be able to help you with any other issues that you might face with your double glazing, such as having trouble opening and closing the window or door. They can also check for problems with the hinges, locking mechanism and handles. They can also put in trickle vents in your windows and doors to allow fresh air to enter the home without allowing cold air to escape. This can help to reduce humidity and condensation in the room and increase the comfort of your home.
Frame Replacement
The frames of your double glazed windows can deteriorate over time. They may become difficult to open or close and let air in draughts. If this is the case, you should contact your supplier for advice, as they will be able to replace the parts that are worn making sure that your window is fully functional once more.
Another issue that is common to double-glazed windows is that they start to mist up. This occurs when the seal between the panes is damaged and stops retaining the gas insulating inside, which causes condensation. It is possible to fix this issue by drilling a hole in the window pane, and then injecting a desiccant in the gap. This will absorb moisture and a plug is then installed to stop the issue from returning.
If you have windows that aren't opening or closing properly This could be due to a broken hinge or handle, or faulty locks. It can be fixed by a UPVC specialist, who can replace the handles, hinges, or locks and bring your double glazing to its full functionality.
It is less expensive to repair your windows rather than replace them. It's also eco-friendly because less materials are utilized. Contact several companies to get estimates on the cost of repairing double-glazed windows. This will help you pick the right firm for the job and will ensure that your windows are fixed quickly and effectively.
A reputable company should offer a warranty on their work, and should be capable of providing you with the details of the warranty provided with your double-glazed windows. It's usually a 10- or 20 year guarantee, however some companies offer lifetime warranties. If you fix your double glazing as soon as you can, you'll save yourself costly repairs in the future. Additionally, you will save money on your energy bills.
Seals Replacement
Sometimes, the seals between the panes of your double-glazed windows may get damaged. This is the most common reason for condensation or mist that forms between windows. If it is not treated, it could lead to moisture in your home which can damage the wooden frames, cause draughts and even make it difficult to open and close your window or doors. If you observe any of these problems with your double-glazed windows, it is recommended to contact an expert in window or glazier work to fix the issue.
The expert will take the glass from the frame and then replace it with a brand new gas that stops air from entering through the gap. They'll then apply sealant to ensure this will not happen again.
This is a temporary fix however it will stop any moisture from being trapped inside your double-glazed windows and ensure that it is functional. It's not a good fit for Argon gas-filled windows, however.
If you have a misted window that isn't causing any leaks, some companies provide the service of drilling a small hole in the double glazing to remove the moisture inside. This is a temporary fix that needs to be repeated after six months.
Some people also use this method to reseal their windows after the desiccant in the window has lost its effectiveness. The procedure involves drilling tiny holes in the glass and then putting in a new desiccant to reseal your windows.
UPVC handles and UPVC hinges are made to last a long time. However, they can break or wear out over time. When this happens, it is generally a good idea to locate an area-based UPVC window repair service as they will be able to replace these parts quickly and efficiently. This is less expensive than having to replace the entire window, and it will restore its functionality. The handles and locks that are damaged must be replaced as quickly as is possible to prevent draughts or potential burglaries.
Replacement of the Hardware
Double-glazed windows may also be damaged over time. If this happens, it may be difficult to open or close the window, and it may be noisy. In many cases the damage to the handle or hinge can be repaired. If the lock is completely broken, it needs to be replaced.
The most frequent issue is when doors or windows start to sag, or even drop. This is usually caused by extreme temperatures causing the frame to expand or shrink. In this case, wiping the frames with cold water could aid in shrinking them slightly. Alternately, the hinges or mechanism can be oiled to solve the issue.
If you're experiencing issues with your double glazing, it's always a good idea to contact the company that installed the windows. They will be able to provide advice on the best way to proceed. In some instances, the issue can be resolved by simply resealing seals. In some cases, the entire glass unit might need to be replaced.
Double-glazed windows may fog up or develop condensation between the glass panes. This is an indication of a damaged seal and the need to replace it. In the majority of cases replacing the glass allows you to keep your existing window frames. This is a cheaper alternative to replacing them.
Some companies offer drilling double glazing that has accumulated condensation to eliminate the moisture. This is a temporary solution and condensation will likely return. In the majority of cases, the most effective solution is to replace double-glazed windows. In this case you can use it as an opportunity to upgrade your window to an A-rated energy efficient glass. This will improve the insulation of your home, and also help you save money on your heating bills. If the windows were fitted by a professional, this will be included in the price of the job. If you do it yourself, you'll need to pay a lot for new frames and double glazing glass.