Custom-made windows and doors in plastic and plastic-aluminium, produced at the Wels location.
ENTHOLZER FENSTER und TÜREN GmbH
4600 Wels (Upper Austria)New on Amplifa
About Entholzer
Entholzer is an Austrian window manufacturer based in Wels (Upper Austria). Founded in 1920 as a one-man glazier's shop, the family business produces windows, balcony doors, lift-and-slide doors and entrance doors custom-made in the plastic (uPVC) and plastic-aluminium segment. Production includes welding of plastic profiles, glass edge bonding, powder coating of aluminium shells in RAL colours as well as foil coating with decorative foils; Greenline profiles (calcium-zinc stabilised, lead-free), steel reinforcements, stainless steel handles and 2-pane or 3-pane insulating glass are used. The products are offered in the Smart and Style series with tilt-and-turn windows, fixed and combination elements as well as composite windows with an integrated composite blind. Customers are residential and construction projects ranging from single-family homes to hotels and large projects, complemented by consulting, installation, service and recycling of old windows. The company is run in its fourth generation by Julia Speiser and Sebastian Ganthaler.
- Site
- Wels
- Processes
- Window and door production (plastic windows, custom-made), Window and door production (plastic-aluminium windows), Manufacture of windows (Smart and Style series, tilt-and-turn windows, fixed and combination, Manufacture of balcony doors, lift-and-slide doors (Series 74, Series 84) and entrance doors, Installation and service (window and door installation), Powder coating of window and door profiles, Foil coating of plastic profiles (decorative foils), Welding of plastic profiles (window frames)
- Materials
- Plastic (uPVC, Greenline profiles from Profine, calcium-zinc stabilised), Aluminium (aluminium shells / AluClip, RAL colours), Insulating glass (2-pane and 3-pane glazing, functional glass), EPDM seal, PCE seal (weldable, light grey), Steel reinforcements (maximum dimensioned), Stainless steel (handles), Plastic (Greenline profiles, Profine)
- Certificates
- 10-year warranty (profile surfaces), Burglary protection up to RC2, Wind load up to C5/B5
- Founded
- 1920
- Industries
- Window and door construction, Construction (residential and commercial building)
- 01
Consulting
- 02
Profile cutting and welding of the plastic frames
- 03
Powder coating of the aluminium shells or foil coating
- 04
Glazing with 2-pane/3-pane insulating glass or glass edge bonding
- 05
Installation at the customer
- 06
Service, maintenance and old-window recycling
Materials & Processes
Plastic (Greenline profiles, Profine)
Calcium-zinc stabilised, lead-free and recyclable profiles for plastic windows.
Aluminium (aluminium shells / AluClip)
Weather-resistant outer shells in RAL colours for plastic-aluminium windows.
Insulating glass (2-pane / 3-pane)
Glazing with thermal insulation and functional glass, sound insulation up to 47 dB.
Steel reinforcements
Maximum-dimensioned reinforcements for window statics.
Stainless steel
Material for window handles.
EPDM seal
Sealing plane on window sashes (black).
PCE seal
Weldable, light grey seal with three sealing planes.
Locations
Wels
ATFactory, administration and showroom; production and sales at the Wels location
- Materials
- Plastic (uPVC), aluminium, insulating glass
- In-house photovoltaic system for generating electricity for production
Products & Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Window and door production (plastic windows, custom-made)Assembly | – | – | – | – | Plastic (uPVC Greenline profiles, Profine) |
| Window and door production (plastic-aluminium windows)Assembly | – | – | – | – | Plastic (uPVC), Aluminium |
| Manufacture of windows (Smart and Style series, tilt-and-turn windows, fixed and combinationAssembly | – | – | – | – | Plastic (uPVC), Aluminium, Glass (2-pane/3-pane glazing) |
| Manufacture of balcony doors, lift-and-slide doors (Series 74, Series 84) and entrance doorsAssembly | – | – | – | – | Plastic (uPVC), Aluminium, Glass |
| Installation and service (window and door installation)Assembly | – | – | – | – | – |
| Powder coating of window and door profilesSurface | – | – | – | – | Plastic (uPVC), Aluminium |
| Foil coating of plastic profiles (decorative foils)Surface | – | – | – | – | Plastic (uPVC) |
| Welding of plastic profiles (window frames)Joining | – | – | – | – | Plastic (uPVC) |
| Glass edge bonding (aluminium shell/plastic frame connection, insulating glass)Joining | – | – | – | – | Plastic (uPVC), Aluminium, Glass |
| Recycling of old plastic windows (shredding, circular economy)Other | – | – | – | – | Plastic (uPVC) |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Photovoltaic system (in-house) | – | – | – | – | Wels |
Additional services
Reference customers
Quality
Entholzer guarantees 10 years on weather resistance and crack freedom of the profiles, 5 years on insulating glass and coated surfaces and 3 years on hardware. Windows up to RC2, sound insulation up to 47 dB and wind load up to class C5/B5 are documented.
| Evidence | Wels |
|---|---|
| 10-year warranty (profile surfaces) | |
| Burglary protection up to RC2 | |
| Wind load up to C5/B5 |
History
- 1920
Founded as a one-man glazier's shop by Johann Entholzer in Gaspoltshofen
- 1957
The glazier's shop is taken over by son Herbert Entholzer
- 1960
Opening of the city shop in Schloss Polheim with workshop and first logo
- 1970
Visit to Pilkington Glass in England; Entholzer counts among the pioneers of plastic window production
- 1972
First trade fair stand at the Wels trade fair; first reference in Linzer Straße in Wels
- 1986
Plastic window production on the Wels industrial site; management by Ernestine Speiser (née Entholzer)
- 1993
Ernst Speiser joins the management
- 2006
New factory at the Wels location: windows and doors custom-made from a single source
- 2008
Founding of the aluminium fusion group
- 2020
Julia Speiser and Sebastian Ganthaler take over the family business in the 4th generation