Traditionally, when it comes heating energy loss, windows are the weakest part of a house. This is why we only work with the highest quality and most thermally efficient joinery that reduces heat loss significantly and creates dry, warm and comfortable, modern homes. Their outstanding quality, performance and air-tightness make our windows the ideal choice for high-performing homes.
5Merchants only offer high-performing double and triple glazed tilt and turn windows, as they achieve the highest possible thermal insulation and exceptional airtightness for your home. This means that our products are all suitable for high-performing homes and Passive Houses. We offer a wide range of high-performing PVC, Wood, WoodAlu and Aluminium windows. We also have a great selection of quality doors covering various styles and designs, from modern to classic, as well as smart shading systems. All our products are manufactured with precision in Germany and other parts of Europe.
WoodAluCombines the beauty and benefit of both wood for high thermal performance and aluminium for durability and a colour of your choice for a high performance, thermal bridge free window.
AluminiumThese windows are durable and require little maintenance with a larger than normal thermal break for higher performance.
PVCDesigned to withstand New Zealand’s climate and UV levels, these windows are long lasting and will not discolour or degrade with best thermal performance.
WoodTraditional, beautiful and naturally thermally broken with a high level of energy efficiency.
Make a window enquiry
To order windows and for more information, please leave us your details and upload your plans, window schedule or required performance standard and we'll be in contact to discuss further options.