How to check efficiency of double glazing

Introduction

Hey there, Liverpool homeowners! So, you’ve got those fancy double-glazing windows installed in your home, and now you want to know how to check if they are doing their job – keeping your home cosy and saving you some pennies on those energy bills. Well, fear not because I’ve got some simple tips to help you check the efficiency of your double glazing. Let’s dive in and put those windows to the test!

Look for Energy Efficiency Labels

When it comes to checking the efficiency of your double glazing, one of the first things you should do is look for energy efficiency labels. In the UK, windows are rated from A++ (the most efficient) to E (the least efficient) based on their thermal performance.

These labels are usually provided by the manufacturers and can be found on the windows themselves or on the accompanying documentation. If your double glazing is A-rated or above, that’s a good sign that it’s doing its job well in keeping your home warm and cosy.

Understanding Energy Efficiency Ratings

Here’s a quick breakdown of what those energy efficiency ratings mean:

• A++ or A+ – Super energy-efficient, top-notch insulation
• A – Excellent energy efficiency, significant heat retention
• B – Good energy efficiency, decent heat retention
• C – Moderate energy efficiency, average heat retention
• D to E – Lower energy efficiency, less effective heat retention

If your windows and doors have a lower energy efficiency rating, it might be worth considering an upgrade to save more energy and money in the long run.

Check for Drafts and Condensation

Another way to check the efficiency of your double glazing is to look for drafts and condensation. Drafts are cool air leaks that can enter your home through poorly sealed windows. To check for drafts, simply place your hand near the edges of the windows on a windy day. If you feel a noticeable flow of cold air, there might be a draft issue.

Additionally, check for condensation on the inside of your windows, especially during colder months. Condensation can indicate that your double glazing is not providing enough insulation, and heat is escaping through the windows. Properly sealed and insulated double glazing should reduce or eliminate condensation on the inside of the glass.

Using a Candle Test

An easy way to detect small drafts is to perform the “candle test.” On a calm day, light a candle and move it along the edges of your windows. If you notice the flame flickering or bending, it could indicate a draft.

Measure Energy Bills

One of the most practical ways to assess the efficiency of your double glazing is to monitor your energy bills. If your double glazing is doing its job well, you should see a reduction in your heating and cooling costs compared to when you had single glazing or less efficient windows.

Keep track of your energy consumption and costs over a few months or a year, and compare them to previous periods. If you notice a significant drop in your energy bills, it’s a clear indication that your double glazing is helping you save money and energy.

Long-Term Savings

Remember, the initial investment in double glazing might seem substantial, but the long-term energy savings can offset that cost over time. Efficient windows can pay for themselves through reduced energy bills and improved home comfort.

There you have it – some straightforward ways to check the efficiency of your double glazing. Keep an eye out for those energy efficiency ratings, watch out for drafts and condensation, and keep tabs on your energy bills. If everything checks out, you can rest assured that your double glazing is doing its part in making your home more energy-efficient and comfortable.

If, after reading this, you’re still not sure, reach out and LNR Windows, your double-glazing experts in Liverpool will offer free advice and assistance.