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Energy Efficient Windows: Your Questions Answered

With the rising cost of living and a shift towards eco-conscious living, energy-efficient windows are a hot topic.

We have previously provided background on how energy-efficient windows can save you money and help lower your carbon footprint. In this blog, we answer some of your most frequently asked questions.

Casement Windows In Winter

What are the benefits of installing energy-efficient windows in my home?

Installing energy-efficient windows in your home can offer many benefits, including: 

  • Retaining more of the heat currently lost through your windows 
  • Reducing your energy bills
  • Keeping your home warmer for longer
  • Improving overall comfort and quality of living
  • Better temperature control and air quality
  • Protection against draughts
  • Reduced noise pollution
  • Add value to your home
  • Increase curb appeal
  • Reduce maintenance
  • High level of security
  • Reduce condensation inside the home
  • Futureproof your home

 

Energy-efficient windows are typically double or triple-glazed or can incorporate specially designed energy-efficient glass such as Planitherm. This low-e glass has a special microscopic coating that blocks the sun’s harmful UV rays while retaining more heat in your home.

Installing double or triple glazing also helps reduce noise pollution, can add curb appeal and 

potentially increase your property value. 

Single glazing is no longer considered adequate for UK homes and is being phased out by the UK Government. As of April 2022, single-glazed windows do not meet building regulations, with all new builds requiring double-glazing as standard. Although it is not yet compulsory for homeowners to upgrade to double glazing, it could become mandatory soon as part of the Government’s net zero plans.

How much money can I save on my energy bills by using energy-efficient windows?

Experts agree most homeowners could reduce their heating bills by around 20% each year. 

The savings will depend on several factors, including other energy-efficiency levels in the home and the materials used in the windows. However, upgrading the windows in a single-glazed semi-detached house to double-glazed A-rated windows could save you up to £155 a year. Installing A ++ rated double glazed windows in the same home could save you approximately £170 a year.   

It’s important to note that you will save up to 375kg or 410kg of carbon dioxide, respectively.

timber triple glazing design mockup

Are there different types of energy-efficient windows, and how do I choose the right one for my home?

Yes, windows are rated for their energy efficiency, among other factors, and carry an A rating and a U-value, which you can check.

The U-value measures how easily heat passes through the material, while the A rating is an overall energy efficiency score. 

Energy-efficient windows could be sliding sash or casement windows, and made of timber, aluminium or uPVC.

All of our windows can be double-glazed or triple-glazed or use Planitherm glass.

When it comes to making the right choice for your home, we recommend doing your research. Gather at least three quotes to compare, and always check unbiased reviews on reputable sites such as TrustATrader and CERTASS. Getting word-of-mouth recommendations from family, friends, and neighbours is also a good idea.

It’s hard to go wrong when choosing energy-efficient windows, so the final decision is likely to come down to personal taste, requirements, and budget.

Can I get tax credits or rebates for installing energy-efficient windows in my home?

If you replaced your windows and doors with energy-efficient units after 2017 and before December 2022 and did not claim your tax credits, you may still be eligible. Check with your accountant or tax adviser whether refiling your tax return would be a good idea for you.

Are there grants for windows and doors from the UK Government in 2023?

HUG

There is a home upgrade grant (HUG) available to some homeowners who are:

  • off the main gas grid
  • on low income
  • have an energy performance certificate (EPC) rating from D to G
  • In certain postcodes

A HUG can be used for energy efficiency measures such as double glazing, heat pump installation, solar panels and more.

You will need to check with your local authority whether you are eligible. 

Scotland has a Warmer Homes Scheme and Northern Ireland has the Affordable Warmth Scheme, which could include upgrading windows and doors as part of energy-efficiency home improvements for those on a low income. 

Vulnerable homeowners may also be able to apply for funding through:

  • Home Repair Assistance Grant
  • The Care & Repair Scheme
  • The Housing Air for Older People Scheme

What is the difference between single-pane, double-pane, and triple-pane windows regarding energy efficiency?

Single glazing offers very poor energy efficiency. The single pane of glass offers very little insulation, with an average u-value of 5.2W/m²k (watts per square metre kelvin). The lower the U-value, the better. 

Double-pane windows have an average U-value of roughly 1.2/1.4W/m²k, compared to 

triple-pane windows with a  U-value of around 0.9W/m²k. Some experts estimate triple-glazed windows are as much as 40 per cent more thermally efficient than standard A-rated double-glazed windows.

What maintenance is required for energy-efficient windows, and how long do they typically last?

Most modern energy-efficient windows require little maintenance and are built to last. Manchester Window Factory windows come with a 10-year insurance-backed guarantee for your peace of mind. 

However, when properly installed and cared for, energy-efficient windows can last decades. 

In most cases, a quick clean with warm soapy water and a soft cloth when they get dirty will suffice.

How can Manchester Window Factory Help?

At Manchester Window Factory, we offer a range of energy-efficient windows and doors, from timber sliding sash windows to uPVC casement units, and much more. 

We work with the best manufacturers to bring you the highest quality products and provide professional installation courtesy of our in-house team.

Many of our designs are easy to clean and maintain, with customizable features. 

To learn more, email [email protected] or call us at 0161 976 4739 to request a callback. Alternatively, we are available for a face-to-face consultation at our  Altrincham showroom. You will find the latest opening times on our website.