Home DIY 6 Easy Ways to Insulate Your Windows for Winter

6 Easy Ways to Insulate Your Windows for Winter


Insulating options that don’t cost the earth

Winter is now upon us, which means there is an increased need for thinking about insulating our homes. Energy bills are getting more expensive and most are growing more conscious of energy consumption and its effect on the planet. So how can you insulate your windows easily? From secondary glazing to new curtains, here are some key affordable tips for tackling what can be one of the primary sources of heat escaping from your home. 

1. Secondary Glazing

Secondary glazing is a relatively simple concept, but one that can offer considerable efficiencies in your property. It’s essentially a second window that sits behind your existing windows, allowing an extra layer of insulation. More affordable than double glazing and relatively easy to install for the competent DIYer, it should be high on your list of considerations. With so many options, styles, and looks available you’ll find the perfect option for your home. 

2. Blinds and Curtains

The next option is to consider blinds and curtains. One or the other can help (curtains more so than blinds), but when used together they make a very efficient combination. Thicker curtains will help to provide more insulation for your rooms. They can also help to block out street lights as the nights draw in, and help you achieve a cosier and more comfortable feel. 

3. Weather Strips

These are a temporary sealant, that effectively blocks your windows from opening. Even when closed a cold draft can get through the small gaps in your windows and cause a noticeable chill. Weather strips will prevent this. Though they are only a temporary measure, they can cause a considerable difference; especially when the temperatures really plummet. 

4. Window Film

As the name implies, this is a clear film that goes over your windows. This can help to mitigate the passage of warm air out of your property, and cold air into it. This is a compelling option because it’s quite cheap, relatively simple to install, and requires no ongoing maintenance. It will also not stop you from seeing clearly through your windows all year round . 

5. Caulk 

Caulk is also relatively inexpensive, but it will need to be applied annually or every few years to account for your window frame’s natural expansion and contraction. Caulk is an insulating product that also help to mitigate the passing of air through the areas of your windows that you might not expect, such as around the tops, sides, and bottoms of the frames. 

6. Double Glazing

Double glazing is arguably the most effective method of insulating your home, however there can be a considerable time and cost for this. You will need to replace your whole window units with double glazed items. This can be disruptive as well as expensive. This is why many choose secondary glazing as a more affordable but still relatively effective insulating option. 

These key tips can be used in conjunction with other general winter preparation in order to help keep costs down this season. 


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