Keeping Cool with Sash Windows
Keeping your house cool in summer can be tricky, but over the years we have learnt a thing or two about keeping a house cool in the summer – and some of it might surprise you.
To Open or Not to Open Windows?
When your house heats up, your first instinct might be to open all the windows, hoping to let in some fresh air and cool down the space. However, this might do more harm than good. Opening windows can let hot air inside, especially if they are south-facing and exposed to the sun for longer periods.
To keep your house cooler, it’s often better to keep windows closed during the day and draw the curtains or blinds to block out the sun’s heat. The only exception is when the outside air is cooler than the inside air, typically at night. In such cases, feel free to open the windows before bed to let the cooler night air circulate.
Why Sash Windows Can Work So Well in Summer
One of the advantages of sash windows is that they allow for a more controlled airflow than many people expect. By opening both the top and bottom sections slightly, you can create a natural circulation pattern.
Cooler air is drawn in through the lower opening, while warmer air rises and escapes through the top. This simple approach has been used in period homes for generations and is still one of the most effective ways to improve airflow without relying entirely on fans or mechanical cooling.
If you have working sash windows, this is one of the biggest practical benefits they offer during the summer months.
Importance of Insulation
Insulation is often associated with keeping homes warm in winter, but it can also help keep your home cool in summer. Proper insulation prevents heat from entering your home, provided you don’t let it in through open windows or other gaps. If your home lacks adequate insulation, particularly in the roof or walls, consider having it installed. The UK Government’s Green Homes Grant Scheme might offer financial assistance for this upgrade.
By implementing these tips, you can create a more comfortable environment at home during the summer months, making it easier to enjoy the warm weather or stay productive if you’re working from home.
Insulation Still Matters in Hot Weather
Insulation is often talked about as a winter issue, but it also helps keep heat out during warmer weather. If your home is well insulated, it will usually hold a more stable internal temperature for longer.
Roof insulation, wall insulation and well-performing glazing all help reduce the amount of heat entering the home. If your sash windows are older and less efficient, upgrading the glazing or improving their fit can also support better comfort in summer as well as winter.
For many period homes, the goal is not to remove original features, but to make them perform better.
Helpful Upgrades for Summer Comfort
If overheating is a regular issue, a few targeted improvements can make the home more comfortable without changing its character.
Depending on the condition of your windows, useful options may include:
- sash window draught proofing
- repairing sticking or poorly balanced sashes
- improving glazing performance
- secondary glazing where appropriate
- making sure windows can open smoothly and safely for ventilation
These upgrades can help you make better use of the sash windows you already have while also supporting comfort throughout the year.
Get In Touch
If you want to make your home more comfortable in summer without losing the character of your windows, we can help. From sash window repairs and draught proofing to glazing upgrades, we offer practical solutions that improve performance while keeping period style intact. Speak to a member of our team today for our expert advice!
