Guide to buying energy efficient windows

Guide to buying energy efficient windows

By combining technologies like special coatings, inert gas fills, and improved edge spacers and frames, high-performance windows and doors provide considerable gains in solar management, thermal comfort, and energy efficiency. This handbook describes how new window and door technology works, allowing homeowners to make more educated decisions regarding high-performance windows and doors. How to analyse the present state of a home and what to look for in windows and doors are demonstrated.

A primer on the many types of windows and doors, as well as vocabulary. It explains how windows function as a component of a home, as well as the reasons for condensation on windows and how to lessen or avoid it. Introduces the different window rating systems that are now in use, with a focus on the Energy Rating (ER) system. This article discusses the latest advancements and improvements in window components that are now available on the market. The advantages of high-performance windows are discussed.

The energy efficiency of building materials is becoming increasingly important to the government, customers, and specifiers. One of the main points of attraction is windows. It is believed that roughly 20% of a building’s energy is lost via its windows and doors. Replacing your home’s windows with certified windows would enhance interior comfort and filter out harmful UV radiation while possibly saving you hundreds of dollars in heating and cooling expenditures each year. Replacing old windows is a big job.

To discover more about window kinds, styles, and features, check out our window buying guide. Windows replacement is the best way to have energy efficient windows for our home. Most manufacturers have increased the energy efficiency component of their marketing campaigns, and customers, as a result of increased public awareness. Saving money on your energy costs is not the reason to replace your windows, despite what some advertisements claim.

We realise how difficult it may be to find energy-efficient replacement windows. This article will teach you what to look for in high-quality energy-efficient windows and provide you with useful ideas and information to help you make an informed selection. You’ll be ready to study your window alternatives once you have a clear understanding of the purchase process and what questions to ask. Before you buy, keep the following in mind.

1. Research and compare window companies and brands

Make certain you’re working with a respectable, well-established window business.

2. Decide which window type is ideal for your house

Most window businesses provide a range of window styles to fit your specific needs and complement the style of your home, including double-hung, bow, bay, sliding, awning, casement, and custom-shaped windows.

3. Consider the quality of your new windows

They should be custom-made to suit your openings exactly, without the use of extension parts or fillers.

4. Understand energy-efficient window ratings and terms

The cost of a window increases as it becomes more energy efficient and durable. The savings you’ll experience throughout the life of your energy-efficient windows, on the other hand, may outweigh the original cost of the windows.

5. Ask about the window warranty

A warranty is only as good as the product it is applied to and the company that provides it.

6. Schedule a consultation to see the windows in person

Request full, functional window samples so you may thoroughly inspect the window before it is placed in your house.

Benefits of energy efficient windows

Here are some of the benefits of energy efficient windows.

1. Increase your property value

Upgrades to energy-efficient windows may improve the value of your house in addition to assisting with energy efficiency. Updated windows not only improve exterior appearance, but they may also persuade potential buyers to spend more for a property that will not need new windows anytime soon. It’s also comforting for purchasers to know that their energy expenses would not be too high as a result of outdated, draughty windows.

2. Live comfortably

Installing energy-efficient windows will assist to eliminate draughty or hot areas and maintain a constant temperature in your house. Old windows may have gaps in the seals or frames, allowing cold air to infiltrate during the winter and hot air to infiltrate during the summer, resulting in draughts. This can also lead your house’s thermostat to report a low temperature, forcing hot air into rooms that don’t require it, resulting in overheated spaces. By minimising fading, energy-efficient windows may help extend the life of your window treatments, furniture, and floor coverings. UV rays are blocked 90% more effectively by special coatings on energy-efficient windows than by ordinary glass.

3. Better insulation improves temperature control and comfort

Energy efficient windows help maintain a constant and pleasant temperature in your house by reducing hot and cold areas. During the winter, energy-efficient windows act as a barrier against the cold, keeping the interior warm and comfortable. During the summer, they assist to reduce air conditioning expenses by blocking the heat from the outside.

4. Protect furniture from UV rays

Special coatings on energy-efficient windows give protection from the sun’s UV radiation. Rugs, carpets, wood, textiles, art, and furniture are all preserved in this way. Energy efficient windows include a layer that works as a sunscreen for your home without reducing visible light. These unique coatings can minimise fading by up to 75%.


It is quite helpful to upgrade the windows in your house or company. First and foremost, it increases energy efficiency, resulting in cheaper power and gas expenses. The original investment is paid by monthly savings after a few years, and if there are incentives, the payback period might be much shorter.

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Written by David Taylor

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