FLEXIRO Thermal Comfort for your Home

Retrofit radiant heating. More comfort, lower heating costs

Radiant heating is trending. This has to do with lower energy costs, but also with changing demands in terms of thermal comfort. Radiant heating systems generate even, pleasant radiant heat and reduce dust turbulence. The low flow temperatures considerably expand the possibilities of alternative heat sources.

What does the trend mean for old and existing buildings? Does an existing heating system with operating temperatures of 70°C rule out the use of panel heating? Do you have to forego modern heating comfort if investing in a new heat source is out of the question?

The answer is "definitely no". With the FLEXIRO heating kits, radiant heating can be retrofitted in individual rooms and connected to conventional heating systems. As an experienced do-it-yourselfer, you can either carry out the installation yourself or commission a heating installer to do it for you.

Thin tubes, even heat distribution, quick heating up

The centrepiece of our all-in-one kits for underfloor heating, wall heating or ceiling heating is a 10 mm polyethylene multilayer composite pipe. This FLEXIRO heating pipe can be laid flexibly in tight loops, ensuring particularly even heat distribution and flexibility when planning the heating surface. Another advantage of the thin heating pipe is the low layer thickness of our systems.

Because the installation height of the underfloor heating is only 17 mm, the thin-layer heating can be retrofitted to the existing floor surface in many cases. The ceiling heating can even be installed on sloping roofs and operated as a cooling ceiling in summer if cooling water is available. All surface heating systems guarantee rapid heating phases and dynamic control behaviour due to the position of the heating pipe close to the surface.

Our all-in-one kits contain components selected according to quality features and are available in "plaster" and "drywall" versions. Our detailed installation instructions will guide you through the project. If you have any queries or feasibility questions, our technical support team will be happy to help.

trending_flat Simply retrofit radiant heating. Make the indoor climate at home your project.

Video of the installation steps for underfloor heating

What makes our heating kits special

  • Easy and flexible to install
  • Detailed installation instructions
  • Connection to all common heating systems
  • Even heat distribution
  • Low installation height of the underfloor heating
  • Individual room control
  • All-in-one kits with coordinated components
  • Corrosion-free
  • Proven 1000 times over

Retrofit underfloor heating in the bathroom trending_flat That's what counts

  • How do I calculate the heating surface?
  • What heat output is possible?
  • How do I protect the floor structure from splashing water?


We provide answers to the most important questions when retrofitting low profile underfloor heating in the bathroom.

Retrofit underfloor heating in the bathroom

Service information

  • Free shipping within Germany from 40,- Euro
  • Shipping to Austria, Switzerland, other EU countries, and the UK
  • Technical support hotline (weekdays 8am - 4pm)
  • Trusted Shop buyer protection
  • Payment by bank transfer, cash on delivery, instant bank transfer and Paypal possible
  • Delivery within 3-5 days
  • Assembly aids and videos
  • Online shop since 2012
  • Very good ratings

Other products

FLEXIRO meets the Trusted Shops quality criteria

  • Certified since 2013
  • 30 days buyer protection through Trusted Shops
  • More than 300 positive reviews