Sustainable plastic technology for windows and doors –

out of conviction.

PHI Goes Green

Today we're already thinking about tomorrow and rethinking plastics technology – efficiently, resource-conserving, and future-proof. As a medium-sized manufacturer, we take responsibility for our footprint: through recycling in plastics processing, intelligent energy optimization, and regional commitment.

For us, sustainability is not a trend, but part of our corporate identity.

PHI goes green – will you?

What guides us

Recycling instead of single-use

Breathtaking colors of our planet
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Responsibility beyond the period of use

Portraits of people from around the globe
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Measurably reduce CO₂

Stark beauty of desolate dunes
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Involve employees

Visual odyssey across continents
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Sustainability in production

Resource conservation begins in our production process. It doesn't end with the materials. We rely on closed-loop material cycles and sustainable manufacturing. Thanks to regranulate and green electricity, we consistently use sustainable plastic technology for windows and doors.

Engagement & Initiatives

For us, sustainability doesn't end in the production hall. We design living spaces, support biodiversity, and promote future-oriented thinking.

Certifications & Standards

Verified. Confirmed. Traceable.

We don't just talk about sustainability – we live by it. Our processes, materials, and standards are certified and documented. You can be sure: Our solutions are as reliable as our approach.

Our Self-Image & Future

We understand sustainability as a corporate responsibility – ecologically, socially, and economically. It begins with our products, is reflected in the way we work, and shapes the decisions we make. Not because it sounds good, but because it's the right thing to do in the long run.

Impulses for tomorrow

With sustainable projects, smart ideas and new materials, we are shaping the future today. For us at PHI, sustainability is a driving force for innovation.


  • Sustainable start-up “Urban Greenery”
  • Participation by our team
  • Cooperation with research institutions and associations


Careers at PHI – Technology with heart and team spirit

Do you want to do more than just work, do you want to make a difference? At PHI, you'll find true team players, flat hierarchies, and an environment where your contribution matters. Start your future in the window and door manufacturing industry now – together we create more than just products.

Become part of the #PHIfamily

Looking ahead - Our goals:

Further targeted energy reduction

We are continuously reducing our energy consumption by optimizing processes, systems and procedures – with the aim of measurably increasing efficiency and conserving resources.

Use materials even more efficiently

We are expanding the use of regranulates and continuously improving material efficiency in plastics processing, without compromising on quality and functionality.


Continue to consider sustainability early on

We are integrating sustainable principles more strongly into development and design, so that ecological aspects are already taken into account in the concept phase.

Transparency along the value chain

We communicate openly and transparently about measures, progress and challenges – along the entire value chain.

Career

Work where technology, team spirit and appreciation belong together.
Become part of the PHI family

Working at PHI

Why PHI

Practical. System-competent. Reliable. Because we understand what really matters in the window and door industry.

That's why PHI

Story

Our path to becoming the hidden champion of the window industry – discover our roots and development.



Our milestones