Renovating your home is the perfect opportunity to improve its energy efficiency, reduce your power bills, and enhance overall comfort. One of the most impactful changes you can make is upgrading to double-glazed windows. Not only do they improve thermal performance, but they also increase property value, provide noise insulation, and improve security.
Let’s explore how you can maximise energy efficiency in your home renovation project by incorporating high-performance double glazing, and we’ll share key tips to ensure you get the best results.
Why Double Glazing Matters in Renovations
Double glazing consists of two panes of glass separated by a spacer filled with air or an inert gas like argon. This gap acts as an insulator, significantly reducing the transfer of heat and cold between the inside and outside of your home.
For homeowners renovating older properties with single-glazed windows, the energy efficiency benefits of double glazing are immediate and measurable. You’ll notice a warmer home in winter, a cooler one in summer, and a significant reduction in heating and cooling costs.
1. Choose the Right Frame Material
The performance of your double-glazed windows isn’t just about the glass — the frame plays a crucial role too. uPVC (unplasticised polyvinyl chloride) frames are among the most energy-efficient on the market. They are low maintenance, non-conductive, and highly durable. Timber also performs well but requires regular upkeep, while aluminium frames are less thermally efficient unless they include a thermal break.
Tip: Opt for uPVC frames to maximise insulation and minimise maintenance.
2. Consider Low-E Glass
Low-emissivity (Low-E) glass is a type of energy-efficient glass designed to prevent heat from escaping through your windows. It features a transparent coating that reflects heat back into the room while still allowing sunlight to pass through.
Tip: Combine double glazing with Low-E glass for maximum thermal efficiency and comfort.
3. Use Argon Gas-Filled Units
The gap between the glass panes in a double-glazed window can be filled with air or an inert gas like argon. Argon is denser than air, which slows the transfer of heat and improves insulation.
Tip: Ask your window supplier about argon gas-filled units to further enhance your window’s performance.
4. Pay Attention to Window Orientation
Strategic window placement can significantly affect your home’s energy efficiency. North-facing windows capture winter sun, while minimising west-facing windows helps reduce heat gain in summer.
Tip: During renovations, reconfigure window placements where possible to take advantage of passive solar design principles.
5. Don’t Forget Proper Installation
Even the best double-glazed window won’t perform well if it’s not installed properly. Poor sealing, incorrect fitting, or gaps can allow air leaks and reduce the window’s effectiveness.
Tip: Always use experienced, licensed installers. At Forever Green Windows, our expert installation team ensures every window is perfectly sealed and aligned for maximum efficiency.
6. Include Insulated Window Coverings
While double glazing does much of the heavy lifting, pairing it with quality curtains, blinds or window films can help block out summer heat and retain winter warmth.
Tip: Layer your insulation approach — combine double glazing with thermal drapes or roller blinds.
7. Upgrade All Windows, Not Just a Few
For a consistent energy efficiency boost, aim to replace all windows during your renovation. Upgrading only a few windows can result in thermal inconsistencies and limit your potential savings.
Tip: If your budget is tight, prioritise windows in the most used rooms or those most exposed to harsh weather.
Invest in Quality with Forever Green Windows
Investing in double glazing as part of your home renovation is one of the smartest upgrades you can make. It adds comfort, value, and long-term energy savings. By considering frame materials, specialised glass options, proper installation and a whole-house approach, you can dramatically improve your home’s performance.
Looking to renovate with energy-efficient windows? Contact Forever Green Windows today for expert advice, premium double glazing, and trusted installation.
