The average energy bill is set to surge by 54% from 1 April, with prices predicted to rise again in the next 6 months. So, if you’re one of the millions of homeowners trying to reduce your heating bills to make your home more efficient and save money in time for the next energy cap hike, have you thought about updating your window frames with an energy-efficient alternative?…

Which window style is the most energy-efficient?

Featuring ultra-tight seals on each side of the frame, casement windows are the most efficient window style capable of being opened. Our casement windows are fitted with A+ energy rated double glazing as standard, for absolute peace of mind your home will stay warm and cosy all year round. Although, all our window styles are manufactured and designed to deliver the very best energy ratings possible.

White casement window

White casement window

What is the most efficient glass for windows?

Low emissivity (low-E) glass is the most energy-efficient type of glass for high performance double and triple glazed windows. Up to 40% more efficient than standard double-glazed windows, it features a microscopic transparent coating that reflects the heat. Considerably lowering heating bills and reducing damaging UV rays from entering the space, low-E glass never blocks out the light.

What is the most energy-efficient window material?

Generally speaking, multi-chambered uPVC window frames can reach the best energy ratings, closely followed by modern aluminium and natural timber frames. Focusing on our own window products, our uPVC and timber windows are both able to achieve A+ energy ratings and incredibly low U-values of just 0.8 W/m²K. There really isn’t a lot of difference with our aluminium windows either, which can reach A+ energy ratings and U-values of 1.1 W/m²K.

Black aluminium

Black aluminium windows

Energy-efficient windows, doors and more for Wolverhampton homes

Wolverhampton Glass is part of the Sustainium Group, which means we’re dedicated to delivering home improvements that are both ethical and sustainable. So, if you’re looking for some of the most energy-efficient windows and doors around, visit our showroom, get in touch online, or give our team of experts a call on 01902 773831.

I just want to say how thrilled I am with the windows fitted today. Please give a big thank you to your team, they were absolutely charming and made no mess whatsoever. If it wasn’t for the fact that I have beautiful new windows, nobody would have known they had been here.

Very many thanks.

Ms Hiorns

Thanks to you all for a wonderful service. Workmen who came were polite and courteous and we are very pleased with the work carried out.

Ms Dawes

I must thank you firstly for the great work, and secondly for the speed of the visit, quote and fitting the actual job in. Definitely a recommendation from me!

Please pass on my thanks to the rest of the team.

Mr Weighton

My old plastic conservatory roof desperately needed replacing and after having to push the installation date back to January after a close death in the family, When the work was completed I was absolutely over the moon.

Mr Hunt

We’re a fully accredited and locally reputable company

At Wolverhampton Glass, you’ve got complete peace of mind as we are fully accredited by all the relevant regulatory bodies. We are a FENSA registered company and are also proud to offer a 10 year insurance backed guarantee on every installation as standard.

Over our 45 years, we’ve built up quite the local reputation too. Take a look at some of our recent customer reviews from homeowners across the Midlands.

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