Construction or renovation is already complex. We'll take care of the windows and doors part – from choosing the right system to coordinating installation and providing after-care.
We compare PVC and aluminium objectively. We're not tied to a single factory, so you get a system that truly fits your home.
Stay warm without worrying about condensation – we assess your ventilation needs and recommend the right insulating glass unit (IGU).
Your windows are installed by experienced teams. We document every stage and conduct a photo-documented handover before acceptance.
Size, system type, insulating glass unit (IGU), colour, and volume – it all affects the price. We break it down clearly, with no surprises later.
New, airtight windows can cause condensation if ventilation isn't properly considered. We explain why it happens and what to do – before you order, not after.
Read the guide
PVC is usually the best choice for private homes – excellent thermal insulation, a lower price, and wide design possibilities. Aluminium is better suited for larger openings, narrower frames, and a more modern aesthetic. We'll help you decide based on your project.
Energy-efficient windows with triple glazing - comfort and thermal insulation for a private home
Parameter
PVC
Aluminium
Thermal insulation (Uf)
up to 0.94 W/m²K
up to 1.3 W/m²K
Sound insulation
up to Rw 47 dB
up to Rw 45 dB
Profile width
80mm (7-chamber)
Narrow sightlines
Security
up to RC3
Max. glazing
51mm triple
60mm+ options
Best for
Houses, apartments, renovation
Large openings, modern design
Price level
More affordable
Higher investment
View all solutions
Window ordering guide
PVC or aluminium - a detailed comparison
Tell us about your project – new build, renovation, or replacement. We'll recommend a suitable system and provide a clear next step.
Describe your project
Analyse project