Heka Interior — ergonomic office chair
NUK
The NUK chair features modern rounded lines, with or without armrests. The chair is made entirely from PVC polypropylene reinforced with fibreglass. Available in various colours.
Technical specifications NUK
Key Features
- Ergonomic spine support
- Thoughtful design for comfortable seating
- Quality, breathable materials
- Made in Slovenia
- 3 years warranty
- 7-day free trial
- Custom configuration (fabrics, colors)
Dimensions & Technical Specifications
Seat height: ___ cm (adjustable)
Seat width: ___ cm
Seat depth: ___ cm
Backrest height: ___ cm
Weight: ___ kg
Maximum load: ___ kg
Precise specifications are in the attached technical sheet (PDF) below.
Materials & Fabrics
Seat: quality fabric with high-quality foam (details in technical data sheet PDF)
Backrest: quality mesh / fabric (details in technical data sheet PDF)
Base: robust base (details in technical data sheet PDF)
Castors: quality castors (details in technical data sheet PDF)
All available fabrics and color variations can be viewed in our material library.
Mechanism & Adjustments
Ergonomic mechanism — a thoughtful mechanism for comfortable and correct sitting.
Settings:
- adjustable seat height
- adjustable backrest
- adjustable armrests
- precise settings in the technical sheet below
Delivery, Installation & Returns
Manufacturing and delivery: 4-6 weeks (custom product, in-house production in Medvode)
EU Delivery: 4-7 weeks
Free 7-day trial in your workspace. If the chair doesn't fit, we'll pick it up at no cost.
14-day return in accordance with the law.
For Businesses & Architects
Volume discounts: from 5 units
Made-to-order configuration: choose the fabric, frame color, base, and accessories
Heka references: NLB Emona BTC (1,200 workstations), Triglav, Volvo, Marriott, Radisson
CAD/DWG files for 3D models and floor plans
Chair showroom: Medvode, Žlebe 1
Project contact: sales@heka-interior.com
B2B SERVICES
For Architects & Project Planners
Comprehensive service from design to delivery. NUK is a standard choice for offices and coworking spaces.
CAD / BIM Files
All technical files (DWG) for your 3D models and office floor plans.
Personal Consultation
Our team of technologists and project managers will arrange a meeting with you. Free consultation for 50+ workstations.
Visit Our Showroom
Chair showroom in Medvode, Žlebe 1 — try every chair in person.
Volume Discounts
For 5 items or more. For 200+ workstations, special offers and custom branding.
Documentation Downloads
All the technical data you need for office planning or a purchase decision.
Technical data sheet NUK
Dimensions, materials, mechanism and certificates in PDF format.
TRUSTED BY
Our products in leading Slovenian and European companies
Heka chairs are used in 1,200 workplaces at NLB Emona BTC, meeting rooms at Triglav, Volvo service centers, and in Marriott and Radisson hotel rooms across Europe.
Years of Slovenian tradition
Slovenian and European partners
Years of warranty
Days of free trial
Frequently Asked Questions
What makes NUK different from other ergonomic chairs?
Designed in Slovenia with an emphasis on ergonomics, quality materials, and sustainable manufacturing. Each chair is custom-configured for the customer — from the fabric to the frame color and base type.
How does the 7-day free trial work?
We deliver the chair to your address (office or home). Try it for 7 days in a real work environment. If it doesn't suit you, we pick it up at no cost. If you are satisfied, keep it and pay. No risk, no questions asked.
Can I customize NUK?
Yes. You can choose the fabric, frame color, base, and accessories. For larger projects, we offer additional configuration options and branding. Email us at sales@heka-interior.com.
What's the warranty on NUK?
3-year manufacturer's warranty covers the mechanism, gas lift, and material defects. With in-house production in Medvode, we ensure spare parts even after the warranty expires.
Do you have a discount for larger quantities or projects?
Yes. Quantity discounts for 5 items or more. For 200+ locations (e.g., NLB Emona — 1,200 locations), we prepare a special offer with custom configuration, free consultation, and extended warranty. Send inquiry or call +386 1 361 90 28.
Who is this chair suitable for?
Ideal for everyone who spends more than 4 hours daily at a desk — programmers, designers, architects, project managers, and management staff. The chair supports active sitting and reduces spinal strain.
Didn't find your answer?
Write to us at sales@heka-interior.com — we respond within 24 hours. For urgent projects, call +386 1 361 90 28.
Why buy from Heka
Heka Interior is more than a chair manufacturer — we are a long-term partner for your office.
7-day free trial
We deliver the chair to your address. Try it for 7 days in your actual work environment. If it's not for you, we'll pick it up free of charge.
Slovenian in-house production
Every Heka chair is made in Medvode. Our in-house production ensures service and spare parts are available even after the warranty expires.
3-year warranty
Premium materials and in-house quality control before every shipment. Local support in Slovenian.
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