March 2023

door security

Using energy-efficient windows has become increasingly popular as homeowners look for ways to reduce their energy bills and improve the comfort of their living spaces. Energy-efficient windows are designed to minimise heat loss and maximise gain through the window, resulting in a more comfortable living environment and lower energy costs. In this post, we’ll explore the advantages of energy-efficient windows for homes in Ireland, the differences between double-glazed, triple-glazed and quadruple-glazed windows, and how upgrading from old double-glazed windows to new ones can save you energy and money.

Upgrade your locks

A simple way to enhance your home’s security is to replace older locks with more up-to-date, robust versions. Deadlocks are a great choice. They are one of the strongest types of locks available. By upgrading to deadlocks, you’ll be making it much harder for people to break into your home.

What are energy-efficient windows?

Energy-efficient windows are designed to reduce the amount of energy used for heating. They use materials and techniques to minimise heat loss and maximise gain through the window. The result is a home that is more comfortable to live in and has reduced energy costs.

Energy-efficient windows work by limiting heat transfer from the inside of a home to the outside. This is accomplished through the use of double or multiple panes of glass separated by an air or gas-filled cavity. The cavity acts as insulation, reducing the heat lost through the window. The type of gas used in the cavity, such as argon or krypton, can also affect the window’s insulation properties.

Additionally, the type of glass used, such as Low-E (low-emissivity) glass, can also help to reduce heat transfer. With energy-efficient windows, a home can maintain a more consistent temperature throughout the year, thus saving energy and reducing energy consumption.

What is the difference between double-glazed, triple-glazed and quadruple-glazed windows?

Double-glazed windows have two panes of glass separated by an air or gas-filled cavity, which acts as insulation. Triple-glazed windows add an extra layer of insulation, with three panes of glass separated by two cavities. Quadruple-glazed windows have four panes of glass and three cavities for maximum insulation.

The number of glazing layers and the type of insulation used in the cavity between the panes of glass affect the window’s overall energy efficiency. Generally, the more glazing layers and the better the insulation, the more energy-efficient the window will be.

door security
How upgrading from old double-glazed windows to new double-glazed windows can save you energy and money.

Upgrading your old double-glazed windows to new, energy-efficient ones can significantly reduce your energy bills. The new windows will help to keep your home warm in the winter and cool in the summer, reducing the need for heating systems to work as hard. This means lower energy costs and a more comfortable living environment.

In addition, energy-efficient windows can also improve the overall look of your home. They come in a range of styles and designs, so you can choose ones that complement the look of your property and improve its curb appeal.

Furthermore, energy-efficient windows can also increase the value of your home. They are a desirable feature for potential buyers making your property more attractive to the market.

Energy-efficient windows are also better for the environment. By reducing the need for energy-intensive heating, you are helping to reduce greenhouse gas emissions and lower your carbon footprint.

The Key Factors to Consider When Choosing Energy-Efficient Windows for Your Home

When choosing energy-efficient windows, it is important to consider both the style and aesthetic options as well as the energy-saving benefits. Energy-efficient windows come in a wide range of styles, colours, and designs, so you can choose windows that not only save energy but also complement and even enhance the look of your home. From traditional casement windows to contemporary sliding windows:, there is a style of energy-efficient window to suit every home and taste.

Another critical factor to consider is the U-Value or measure of heat transfer through the window. This should be low to ensure good insulation. The Solar Heat Gain Coefficient (SHGC), which measures the amount of solar radiation entering the home through the window, should also be low, especially for windows with sunny aspects.

Additionally, air leakage, or the amount of air that can pass through the window, should be low to prevent drafts and reduce energy loss. The frame material of the window, such as PVC or aluminium, should also have good insulation properties. Finally, the type of glass used in the window, such as Low-E (low-emissivity) glass, can affect its energy efficiency, so it is essential to choose windows with this type of glass.


Denise O’Connor

Managing Director Optimise Design, B.Arch. RIAI RIBA
& Senator’s Expert Design Consultant
This blog post is sponsored, but the views expressed by the author are her own.

share this post

Book a consultation with your local Senator window or door expert
or get a quote for your next project.