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A Guide to Sash Window Efficiency and Costs

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A Guide to Sash Window Efficiency and Costs

A Guide to Sash Window Efficiency and Costs

Reading Time: 5 Minutes
Published on: July 19th, 2023

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Welcome to our comprehensive guide on sash window efficiency and costs. Sash windows are not only beautiful architectural features but also essential components in maintaining a comfortable and energy-efficient home. In this article, we’ll explore common questions related to sash window efficiency, including the benefits of double glazing, the impact on home value, repairs, and more. Whether you’re considering upgrading your existing sash windows or exploring energy-saving options, our expert insights and practical tips will equip you with the knowledge to make informed decisions. Let’s dive in!

Can sash windows be double glazed?

Absolutely! Double glazing is a popular and effective upgrade for sash windows. Today’s timber sashes can easily accommodate thicker double glazing, providing enhanced thermal efficiency and superior soundproofing. By choosing double glazing, you can modernize your sash windows while retaining their timeless charm and character. Enjoy improved energy efficiency and a more comfortable living space with this ideal solution for upgrading your traditional sash windows.

Can sash windows be triple glazed?

Yes, it is possible to have triple glazing in sash windows, including the innovative LandVac Optimum triple glazing solution. LandVac Optimum offers exceptional energy efficiency without sacrificing the slim profile of traditional double glazing. Unlike conventional triple glazing, LandVac Optimum maintains a similar width to double glazing, making it a perfect fit for sash windows. With its advanced vacuum-insulated technology, LandVac Optimum provides outstanding thermal performance, reducing heat loss and ensuring a more comfortable and energy-efficient home. Upgrade your sash windows to LandVac Optimum triple glazing for cutting-edge technology and superior insulation without compromising on aesthetics.

Find out more about LandVac Optimum triple glazed windows here.

Are sash wooden windows energy efficient?

Yes, wooden sash windows can be highly energy efficient, especially when equipped with quality double glazing. The energy efficiency of windows primarily depends on the type of glazing used and the construction of the sash frame. Wooden sash windows with double glazing can provide excellent insulation, reducing heat loss and minimising energy consumption for heating and cooling your home.

Moreover, choosing timber windows can have a positive impact on the environment. Timber is a renewable and sustainable material, and well-managed forests used for timber production can act as carbon sinks, absorbing more carbon dioxide than they emit. On a cradle-to-grave analysis, wooden windows are considered carbon negative, meaning they remove more carbon from the atmosphere than is emitted during their entire life cycle. In contrast, uPVC and other non-renewable materials used for windows have a significant environmental impact, contributing to pollution and greenhouse gas emissions. By opting for wooden sash windows, you not only enjoy energy efficiency but also make a greener choice that helps combat climate change.

Read more in our independent Sustainability in Windows Study:

Are double glazed sash windows more expensive?

The cost of double glazed sash windows can vary based on several factors, including the type of material used and the glazing options. Generally, double glazed uPVC sash windows are more budget-friendly than their triple glazed counterparts, which tend to be around 35% more expensive on average. However, it’s essential to consider the long-term value and benefits of investing in higher-quality windows.

While double glazed sash windows might have a higher upfront cost compared to single glazed windows, their superior energy efficiency can lead to significant savings on heating and cooling bills over time. Additionally, higher-quality materials and craftsmanship in double glazed windows often result in longer service life and better overall performance. A more expensive product might last for decades, sometimes even twice as long as a cheaper alternative, making it a better investment in the long run and, in fact, more cost-effective over its extended lifetime. Ultimately, the initial cost of double glazed sash windows can be outweighed by the increased energy savings and prolonged durability, making them a smart and economical choice for homeowners.

Are modern sash windows draughty?

​​While modern sash windows are designed to be more energy-efficient and less draughty than older versions, the extent to which they remain draught-free depends on their quality of construction and installation. High-quality modern sash windows should come with effective weather-stripping and draught-proofing features, reducing the potential for draughts significantly. Proper installation by experienced professionals is also crucial to ensure a tight and secure fit.

It’s essential to choose reputable suppliers and manufacturers who prioritise energy efficiency and use quality materials. Investing in well-crafted, modern sash windows will provide you with the comfort and energy-saving benefits you desire while preserving the traditional charm of your home. Regular maintenance and inspections will also help ensure your sash windows continue to perform optimally and maintain their draught-free properties over time.

Are sash windows airtight?

While traditional sash windows may not achieve the same level of airtightness as some modern window types, advancements in design and technology have significantly improved their performance. With proper installation and quality weather stripping, modern sash windows can create a reasonably airtight seal when closed. The compression between the sashes and the weather strips helps prevent air leakage, reducing drafts and heat loss.

However, it’s important to note that achieving complete airtightness with sash windows may be challenging due to their unique design, which includes gaps between the sliding sashes and the window frame. Nonetheless, sash windows remain a popular choice for homeowners seeking a blend of historical elegance and improved energy efficiency. When considering sash windows, it’s crucial to work with reputable manufacturers and installers who can provide high-quality products and ensure proper sealing to maximise their airtight capabilities. Regular maintenance and occasional checks for wear and tear in the weather stripping will also help maintain the airtightness of your sash windows over time.

Are sash windows warm?

Yes, sash windows can be as warm and energy-efficient as any other type of window, given the right configuration and glazing options. While traditional, single-glazed sash windows are indeed prone to drafts and heat loss, modern sash windows can be equipped with advanced glazing solutions to enhance their thermal performance.

Double glazing and even triple glazing options are available for sash windows, incorporating different types of laminated glass and cavity configurations. These enhancements significantly improve the windows’ insulation capabilities, helping to reduce heat loss and increase energy efficiency. By upgrading to double or triple glazing, you can transform your sash windows into more thermally efficient barriers, bringing them up to par with other contemporary window types.

When considering the warmth of sash windows, it’s essential to choose quality glazing materials and work with reputable manufacturers who can customise the windows to suit your specific needs. With the right glazing and proper installation, you can enjoy the charm and elegance of sash windows without sacrificing energy efficiency and comfort in your home.

In conclusion, Gowercroft offers a remarkable range of timber sash windows that combine timeless elegance with modern energy efficiency. Whether you’re looking to enhance the thermal performance of your existing sash windows with double or triple glazing or seeking to replace your windows with high-quality, sustainable timber alternatives, Gowercroft has the perfect solution for you. Their commitment to craftsmanship, attention to detail, and use of eco-friendly materials make them a top choice for anyone seeking energy-efficient and aesthetically pleasing sash windows.

If you’re ready to elevate the comfort and style of your home with energy-efficient timber sash windows, don’t hesitate to explore Gowercroft’s impressive selection. Visit the Frontier Range today to discover the beauty of traditional sash windows combined with cutting-edge glazing technologies.

With Gowercroft, you can be assured of receiving top-quality windows that not only enhance the appeal of your property but also contribute to a more sustainable future. Transform your living space with the charm of sash windows, and experience the difference in energy efficiency and comfort that only Gowercroft can provide.